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-rw-r--r--drivers/infiniband/hw/cxgb4/ev.c9
-rw-r--r--drivers/infiniband/hw/cxgb4/iw_cxgb4.h29
-rw-r--r--drivers/infiniband/hw/ipath/ipath_kernel.h3
-rw-r--r--drivers/infiniband/hw/ipath/ipath_wc_ppc64.c13
-rw-r--r--drivers/infiniband/hw/ipath/ipath_wc_x86_64.c15
-rw-r--r--drivers/infiniband/hw/mlx4/cm.c2
-rw-r--r--drivers/infiniband/hw/mlx4/cq.c7
-rw-r--r--drivers/infiniband/hw/mlx4/main.c10
-rw-r--r--drivers/infiniband/hw/mlx4/qp.c6
-rw-r--r--drivers/infiniband/hw/mlx5/main.c4
-rw-r--r--drivers/infiniband/hw/mlx5/mr.c1
-rw-r--r--drivers/infiniband/hw/qib/qib.h16
-rw-r--r--drivers/infiniband/hw/qib/qib_common.h4
-rw-r--r--drivers/infiniband/hw/qib/qib_debugfs.c1
-rw-r--r--drivers/infiniband/hw/qib/qib_diag.c9
-rw-r--r--drivers/infiniband/hw/qib/qib_driver.c5
-rw-r--r--drivers/infiniband/hw/qib/qib_eeprom.c198
-rw-r--r--drivers/infiniband/hw/qib/qib_file_ops.c26
-rw-r--r--drivers/infiniband/hw/qib/qib_fs.c9
-rw-r--r--drivers/infiniband/hw/qib/qib_iba6120.c15
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7220.c14
-rw-r--r--drivers/infiniband/hw/qib/qib_iba7322.c52
-rw-r--r--drivers/infiniband/hw/qib/qib_init.c12
-rw-r--r--drivers/infiniband/hw/qib/qib_intr.c1
-rw-r--r--drivers/infiniband/hw/qib/qib_keys.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_mad.c20
-rw-r--r--drivers/infiniband/hw/qib/qib_mmap.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_mr.c10
-rw-r--r--drivers/infiniband/hw/qib/qib_pcie.c10
-rw-r--r--drivers/infiniband/hw/qib/qib_qp.c8
-rw-r--r--drivers/infiniband/hw/qib/qib_qsfp.c13
-rw-r--r--drivers/infiniband/hw/qib/qib_rc.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_ruc.c8
-rw-r--r--drivers/infiniband/hw/qib/qib_sd7220.c9
-rw-r--r--drivers/infiniband/hw/qib/qib_sysfs.c28
-rw-r--r--drivers/infiniband/hw/qib/qib_twsi.c5
-rw-r--r--drivers/infiniband/hw/qib/qib_tx.c1
-rw-r--r--drivers/infiniband/hw/qib/qib_ud.c2
-rw-r--r--drivers/infiniband/hw/qib/qib_user_sdma.c8
-rw-r--r--drivers/infiniband/hw/qib/qib_verbs.c15
-rw-r--r--drivers/infiniband/hw/qib/qib_verbs_mcast.c4
-rw-r--r--drivers/infiniband/hw/qib/qib_wc_x86_64.c7
42 files changed, 222 insertions, 397 deletions
diff --git a/drivers/infiniband/hw/cxgb4/ev.c b/drivers/infiniband/hw/cxgb4/ev.c
index c9df0549f51d..4498a89f4ced 100644
--- a/drivers/infiniband/hw/cxgb4/ev.c
+++ b/drivers/infiniband/hw/cxgb4/ev.c
@@ -225,13 +225,20 @@ int c4iw_ev_handler(struct c4iw_dev *dev, u32 qid)
struct c4iw_cq *chp;
unsigned long flag;
+ spin_lock_irqsave(&dev->lock, flag);
chp = get_chp(dev, qid);
if (chp) {
+ atomic_inc(&chp->refcnt);
+ spin_unlock_irqrestore(&dev->lock, flag);
t4_clear_cq_armed(&chp->cq);
spin_lock_irqsave(&chp->comp_handler_lock, flag);
(*chp->ibcq.comp_handler)(&chp->ibcq, chp->ibcq.cq_context);
spin_unlock_irqrestore(&chp->comp_handler_lock, flag);
- } else
+ if (atomic_dec_and_test(&chp->refcnt))
+ wake_up(&chp->wait);
+ } else {
PDBG("%s unknown cqid 0x%x\n", __func__, qid);
+ spin_unlock_irqrestore(&dev->lock, flag);
+ }
return 0;
}
diff --git a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
index b5678ac97393..d87e1650f643 100644
--- a/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
+++ b/drivers/infiniband/hw/cxgb4/iw_cxgb4.h
@@ -196,7 +196,7 @@ static inline int c4iw_num_stags(struct c4iw_rdev *rdev)
return (int)(rdev->lldi.vr->stag.size >> 5);
}
-#define C4IW_WR_TO (30*HZ)
+#define C4IW_WR_TO (60*HZ)
struct c4iw_wr_wait {
struct completion completion;
@@ -220,22 +220,21 @@ static inline int c4iw_wait_for_reply(struct c4iw_rdev *rdev,
u32 hwtid, u32 qpid,
const char *func)
{
- unsigned to = C4IW_WR_TO;
int ret;
- do {
- ret = wait_for_completion_timeout(&wr_waitp->completion, to);
- if (!ret) {
- printk(KERN_ERR MOD "%s - Device %s not responding - "
- "tid %u qpid %u\n", func,
- pci_name(rdev->lldi.pdev), hwtid, qpid);
- if (c4iw_fatal_error(rdev)) {
- wr_waitp->ret = -EIO;
- break;
- }
- to = to << 2;
- }
- } while (!ret);
+ if (c4iw_fatal_error(rdev)) {
+ wr_waitp->ret = -EIO;
+ goto out;
+ }
+
+ ret = wait_for_completion_timeout(&wr_waitp->completion, C4IW_WR_TO);
+ if (!ret) {
+ PDBG("%s - Device %s not responding (disabling device) - tid %u qpid %u\n",
+ func, pci_name(rdev->lldi.pdev), hwtid, qpid);
+ rdev->flags |= T4_FATAL_ERROR;
+ wr_waitp->ret = -EIO;
+ }
+out:
if (wr_waitp->ret)
PDBG("%s: FW reply %d tid %u qpid %u\n",
pci_name(rdev->lldi.pdev), wr_waitp->ret, hwtid, qpid);
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 6559af60bffd..e08db7020cd4 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -908,9 +908,6 @@ void ipath_chip_cleanup(struct ipath_devdata *);
/* clean up any chip type-specific stuff */
void ipath_chip_done(void);
-/* check to see if we have to force ordering for write combining */
-int ipath_unordered_wc(void);
-
void ipath_disarm_piobufs(struct ipath_devdata *, unsigned first,
unsigned cnt);
void ipath_cancel_sends(struct ipath_devdata *, int);
diff --git a/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c b/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c
index 1d7bd82a1fb1..1a7e20a75149 100644
--- a/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c
+++ b/drivers/infiniband/hw/ipath/ipath_wc_ppc64.c
@@ -47,16 +47,3 @@ int ipath_enable_wc(struct ipath_devdata *dd)
{
return 0;
}
-
-/**
- * ipath_unordered_wc - indicate whether write combining is unordered
- *
- * Because our performance depends on our ability to do write
- * combining mmio writes in the most efficient way, we need to
- * know if we are on a processor that may reorder stores when
- * write combining.
- */
-int ipath_unordered_wc(void)
-{
- return 1;
-}
diff --git a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
index 3428acb0868c..4ad0b932df1f 100644
--- a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
+++ b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
@@ -167,18 +167,3 @@ void ipath_disable_wc(struct ipath_devdata *dd)
dd->ipath_wc_cookie = 0; /* even on failure */
}
}
-
-/**
- * ipath_unordered_wc - indicate whether write combining is ordered
- *
- * Because our performance depends on our ability to do write combining mmio
- * writes in the most efficient way, we need to know if we are on an Intel
- * or AMD x86_64 processor. AMD x86_64 processors flush WC buffers out in
- * the order completed, and so no special flushing is required to get
- * correct ordering. Intel processors, however, will flush write buffers
- * out in "random" orders, and so explicit ordering is needed at times.
- */
-int ipath_unordered_wc(void)
-{
- return boot_cpu_data.x86_vendor != X86_VENDOR_AMD;
-}
diff --git a/drivers/infiniband/hw/mlx4/cm.c b/drivers/infiniband/hw/mlx4/cm.c
index 56a593e0ae5d..39a488889fc7 100644
--- a/drivers/infiniband/hw/mlx4/cm.c
+++ b/drivers/infiniband/hw/mlx4/cm.c
@@ -372,7 +372,7 @@ int mlx4_ib_demux_cm_handler(struct ib_device *ibdev, int port, int *slave,
*slave = mlx4_ib_find_real_gid(ibdev, port, gid.global.interface_id);
if (*slave < 0) {
mlx4_ib_warn(ibdev, "failed matching slave_id by gid (0x%llx)\n",
- gid.global.interface_id);
+ be64_to_cpu(gid.global.interface_id));
return -ENOENT;
}
return 0;
diff --git a/drivers/infiniband/hw/mlx4/cq.c b/drivers/infiniband/hw/mlx4/cq.c
index a3b70f6c4035..cb63ecd2276f 100644
--- a/drivers/infiniband/hw/mlx4/cq.c
+++ b/drivers/infiniband/hw/mlx4/cq.c
@@ -367,8 +367,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
int err;
mutex_lock(&cq->resize_mutex);
-
- if (entries < 1) {
+ if (entries < 1 || entries > dev->dev->caps.max_cqes) {
err = -EINVAL;
goto out;
}
@@ -379,7 +378,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
goto out;
}
- if (entries > dev->dev->caps.max_cqes) {
+ if (entries > dev->dev->caps.max_cqes + 1) {
err = -EINVAL;
goto out;
}
@@ -392,7 +391,7 @@ int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata)
/* Can't be smaller than the number of outstanding CQEs */
outst_cqe = mlx4_ib_get_outstanding_cqes(cq);
if (entries < outst_cqe + 1) {
- err = 0;
+ err = -EINVAL;
goto out;
}
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index 9117b7a2d5f8..0b280b1c98df 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -1222,8 +1222,7 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
struct mlx4_ib_qp *mqp = to_mqp(ibqp);
u64 reg_id;
struct mlx4_ib_steering *ib_steering = NULL;
- enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ?
- MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6;
+ enum mlx4_protocol prot = MLX4_PROT_IB_IPV6;
if (mdev->dev->caps.steering_mode ==
MLX4_STEERING_MODE_DEVICE_MANAGED) {
@@ -1236,8 +1235,10 @@ static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
!!(mqp->flags &
MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK),
prot, &reg_id);
- if (err)
+ if (err) {
+ pr_err("multicast attach op failed, err %d\n", err);
goto err_malloc;
+ }
err = add_gid_entry(ibqp, gid);
if (err)
@@ -1285,8 +1286,7 @@ static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
struct net_device *ndev;
struct mlx4_ib_gid_entry *ge;
u64 reg_id = 0;
- enum mlx4_protocol prot = (gid->raw[1] == 0x0e) ?
- MLX4_PROT_IB_IPV4 : MLX4_PROT_IB_IPV6;
+ enum mlx4_protocol prot = MLX4_PROT_IB_IPV6;
if (mdev->dev->caps.steering_mode ==
MLX4_STEERING_MODE_DEVICE_MANAGED) {
diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c
index cf000b7ad64f..c880329b4d64 100644
--- a/drivers/infiniband/hw/mlx4/qp.c
+++ b/drivers/infiniband/hw/mlx4/qp.c
@@ -1674,8 +1674,10 @@ static int __mlx4_ib_modify_qp(struct ib_qp *ibqp,
qp->mlx4_ib_qp_type == MLX4_IB_QPT_PROXY_GSI ||
qp->mlx4_ib_qp_type == MLX4_IB_QPT_TUN_GSI) {
err = handle_eth_ud_smac_index(dev, qp, (u8 *)attr->smac, context);
- if (err)
- return -EINVAL;
+ if (err) {
+ err = -EINVAL;
+ goto out;
+ }
if (qp->mlx4_ib_qp_type == MLX4_IB_QPT_PROXY_GSI)
dev->qp1_proxy[qp->port - 1] = qp;
}
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c
index 03bf81211a54..cc4ac1e583b2 100644
--- a/drivers/infiniband/hw/mlx5/main.c
+++ b/drivers/infiniband/hw/mlx5/main.c
@@ -997,7 +997,7 @@ static int get_port_caps(struct mlx5_ib_dev *dev)
struct ib_device_attr *dprops = NULL;
struct ib_port_attr *pprops = NULL;
struct mlx5_general_caps *gen;
- int err = 0;
+ int err = -ENOMEM;
int port;
gen = &dev->mdev->caps.gen;
@@ -1331,6 +1331,8 @@ static void *mlx5_ib_add(struct mlx5_core_dev *mdev)
(1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
(1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) |
(1ull << IB_USER_VERBS_CMD_OPEN_QP);
+ dev->ib_dev.uverbs_ex_cmd_mask =
+ (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE);
dev->ib_dev.query_device = mlx5_ib_query_device;
dev->ib_dev.query_port = mlx5_ib_query_port;
diff --git a/drivers/infiniband/hw/mlx5/mr.c b/drivers/infiniband/hw/mlx5/mr.c
index 32a28bd50b20..cd9822eeacae 100644
--- a/drivers/infiniband/hw/mlx5/mr.c
+++ b/drivers/infiniband/hw/mlx5/mr.c
@@ -1012,6 +1012,7 @@ static struct mlx5_ib_mr *reg_create(struct ib_pd *pd, u64 virt_addr,
goto err_2;
}
mr->umem = umem;
+ mr->dev = dev;
mr->live = 1;
kvfree(in);
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index c00ae093b6f8..ffd48bfc4923 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1082,12 +1082,6 @@ struct qib_devdata {
/* control high-level access to EEPROM */
struct mutex eep_lock;
uint64_t traffic_wds;
- /* active time is kept in seconds, but logged in hours */
- atomic_t active_time;
- /* Below are nominal shadow of EEPROM, new since last EEPROM update */
- uint8_t eep_st_errs[QIB_EEP_LOG_CNT];
- uint8_t eep_st_new_errs[QIB_EEP_LOG_CNT];
- uint16_t eep_hrs;
/*
* masks for which bits of errs, hwerrs that cause
* each of the counters to increment.
@@ -1309,8 +1303,7 @@ int qib_twsi_blk_rd(struct qib_devdata *dd, int dev, int addr, void *buffer,
int qib_twsi_blk_wr(struct qib_devdata *dd, int dev, int addr,
const void *buffer, int len);
void qib_get_eeprom_info(struct qib_devdata *);
-int qib_update_eeprom_log(struct qib_devdata *dd);
-void qib_inc_eeprom_err(struct qib_devdata *dd, u32 eidx, u32 incr);
+#define qib_inc_eeprom_err(dd, eidx, incr)
void qib_dump_lookup_output_queue(struct qib_devdata *);
void qib_force_pio_avail_update(struct qib_devdata *);
void qib_clear_symerror_on_linkup(unsigned long opaque);
@@ -1467,11 +1460,14 @@ const char *qib_get_unit_name(int unit);
* Flush write combining store buffers (if present) and perform a write
* barrier.
*/
+static inline void qib_flush_wc(void)
+{
#if defined(CONFIG_X86_64)
-#define qib_flush_wc() asm volatile("sfence" : : : "memory")
+ asm volatile("sfence" : : : "memory");
#else
-#define qib_flush_wc() wmb() /* no reorder around wc flush */
+ wmb(); /* no reorder around wc flush */
#endif
+}
/* global module parameter variables */
extern unsigned qib_ibmtu;
diff --git a/drivers/infiniband/hw/qib/qib_common.h b/drivers/infiniband/hw/qib/qib_common.h
index 5670ace27c63..4fb78abd8ba1 100644
--- a/drivers/infiniband/hw/qib/qib_common.h
+++ b/drivers/infiniband/hw/qib/qib_common.h
@@ -257,7 +257,7 @@ struct qib_base_info {
/* shared memory page for send buffer disarm status */
__u64 spi_sendbuf_status;
-} __attribute__ ((aligned(8)));
+} __aligned(8);
/*
* This version number is given to the driver by the user code during
@@ -361,7 +361,7 @@ struct qib_user_info {
*/
__u64 spu_base_info;
-} __attribute__ ((aligned(8)));
+} __aligned(8);
/* User commands. */
diff --git a/drivers/infiniband/hw/qib/qib_debugfs.c b/drivers/infiniband/hw/qib/qib_debugfs.c
index 6abd3ed3cd51..5e75b43c596b 100644
--- a/drivers/infiniband/hw/qib/qib_debugfs.c
+++ b/drivers/infiniband/hw/qib/qib_debugfs.c
@@ -255,7 +255,6 @@ void qib_dbg_ibdev_init(struct qib_ibdev *ibd)
DEBUGFS_FILE_CREATE(opcode_stats);
DEBUGFS_FILE_CREATE(ctx_stats);
DEBUGFS_FILE_CREATE(qp_stats);
- return;
}
void qib_dbg_ibdev_exit(struct qib_ibdev *ibd)
diff --git a/drivers/infiniband/hw/qib/qib_diag.c b/drivers/infiniband/hw/qib/qib_diag.c
index 5dfda4c5cc9c..8c34b23e5bf6 100644
--- a/drivers/infiniband/hw/qib/qib_diag.c
+++ b/drivers/infiniband/hw/qib/qib_diag.c
@@ -85,7 +85,7 @@ static struct qib_diag_client *get_client(struct qib_devdata *dd)
client_pool = dc->next;
else
/* None in pool, alloc and init */
- dc = kmalloc(sizeof *dc, GFP_KERNEL);
+ dc = kmalloc(sizeof(*dc), GFP_KERNEL);
if (dc) {
dc->next = NULL;
@@ -257,6 +257,7 @@ static u32 __iomem *qib_remap_ioaddr32(struct qib_devdata *dd, u32 offset,
if (dd->userbase) {
/* If user regs mapped, they are after send, so set limit. */
u32 ulim = (dd->cfgctxts * dd->ureg_align) + dd->uregbase;
+
if (!dd->piovl15base)
snd_lim = dd->uregbase;
krb32 = (u32 __iomem *)dd->userbase;
@@ -280,6 +281,7 @@ static u32 __iomem *qib_remap_ioaddr32(struct qib_devdata *dd, u32 offset,
snd_bottom = dd->pio2k_bufbase;
if (snd_lim == 0) {
u32 tot2k = dd->piobcnt2k * ALIGN(dd->piosize2k, dd->palign);
+
snd_lim = snd_bottom + tot2k;
}
/* If 4k buffers exist, account for them by bumping
@@ -398,6 +400,7 @@ static int qib_write_umem64(struct qib_devdata *dd, u32 regoffs,
/* not very efficient, but it works for now */
while (reg_addr < reg_end) {
u64 data;
+
if (copy_from_user(&data, uaddr, sizeof(data))) {
ret = -EFAULT;
goto bail;
@@ -698,7 +701,7 @@ int qib_register_observer(struct qib_devdata *dd,
if (!dd || !op)
return -EINVAL;
- olp = vmalloc(sizeof *olp);
+ olp = vmalloc(sizeof(*olp));
if (!olp) {
pr_err("vmalloc for observer failed\n");
return -ENOMEM;
@@ -796,6 +799,7 @@ static ssize_t qib_diag_read(struct file *fp, char __user *data,
op = diag_get_observer(dd, *off);
if (op) {
u32 offset = *off;
+
ret = op->hook(dd, op, offset, &data64, 0, use_32);
}
/*
@@ -873,6 +877,7 @@ static ssize_t qib_diag_write(struct file *fp, const char __user *data,
if (count == 4 || count == 8) {
u64 data64;
u32 offset = *off;
+
ret = copy_from_user(&data64, data, count);
if (ret) {
ret = -EFAULT;
diff --git a/drivers/infiniband/hw/qib/qib_driver.c b/drivers/infiniband/hw/qib/qib_driver.c
index 5bee08f16d74..f58fdc3d25a2 100644
--- a/drivers/infiniband/hw/qib/qib_driver.c
+++ b/drivers/infiniband/hw/qib/qib_driver.c
@@ -86,7 +86,7 @@ const char *qib_get_unit_name(int unit)
{
static char iname[16];
- snprintf(iname, sizeof iname, "infinipath%u", unit);
+ snprintf(iname, sizeof(iname), "infinipath%u", unit);
return iname;
}
@@ -349,6 +349,7 @@ static u32 qib_rcv_hdrerr(struct qib_ctxtdata *rcd, struct qib_pportdata *ppd,
qp_num = be32_to_cpu(ohdr->bth[1]) & QIB_QPN_MASK;
if (qp_num != QIB_MULTICAST_QPN) {
int ruc_res;
+
qp = qib_lookup_qpn(ibp, qp_num);
if (!qp)
goto drop;
@@ -461,6 +462,7 @@ u32 qib_kreceive(struct qib_ctxtdata *rcd, u32 *llic, u32 *npkts)
rhf_addr = (__le32 *) rcd->rcvhdrq + l + dd->rhf_offset;
if (dd->flags & QIB_NODMA_RTAIL) {
u32 seq = qib_hdrget_seq(rhf_addr);
+
if (seq != rcd->seq_cnt)
goto bail;
hdrqtail = 0;
@@ -651,6 +653,7 @@ bail:
int qib_set_lid(struct qib_pportdata *ppd, u32 lid, u8 lmc)
{
struct qib_devdata *dd = ppd->dd;
+
ppd->lid = lid;
ppd->lmc = lmc;
diff --git a/drivers/infiniband/hw/qib/qib_eeprom.c b/drivers/infiniband/hw/qib/qib_eeprom.c
index 4d5d71aaa2b4..311ee6c3dd5e 100644
--- a/drivers/infiniband/hw/qib/qib_eeprom.c
+++ b/drivers/infiniband/hw/qib/qib_eeprom.c
@@ -153,6 +153,7 @@ void qib_get_eeprom_info(struct qib_devdata *dd)
if (t && dd0->nguid > 1 && t <= dd0->nguid) {
u8 oguid;
+
dd->base_guid = dd0->base_guid;
bguid = (u8 *) &dd->base_guid;
@@ -251,206 +252,25 @@ void qib_get_eeprom_info(struct qib_devdata *dd)
* This board has a Serial-prefix, which is stored
* elsewhere for backward-compatibility.
*/
- memcpy(snp, ifp->if_sprefix, sizeof ifp->if_sprefix);
- snp[sizeof ifp->if_sprefix] = '\0';
+ memcpy(snp, ifp->if_sprefix, sizeof(ifp->if_sprefix));
+ snp[sizeof(ifp->if_sprefix)] = '\0';
len = strlen(snp);
snp += len;
- len = (sizeof dd->serial) - len;
- if (len > sizeof ifp->if_serial)
- len = sizeof ifp->if_serial;
+ len = sizeof(dd->serial) - len;
+ if (len > sizeof(ifp->if_serial))
+ len = sizeof(ifp->if_serial);
memcpy(snp, ifp->if_serial, len);
- } else
- memcpy(dd->serial, ifp->if_serial,
- sizeof ifp->if_serial);
+ } else {
+ memcpy(dd->serial, ifp->if_serial, sizeof(ifp->if_serial));
+ }
if (!strstr(ifp->if_comment, "Tested successfully"))
qib_dev_err(dd,
"Board SN %s did not pass functional test: %s\n",
dd->serial, ifp->if_comment);
- memcpy(&dd->eep_st_errs, &ifp->if_errcntp, QIB_EEP_LOG_CNT);
- /*
- * Power-on (actually "active") hours are kept as little-endian value
- * in EEPROM, but as seconds in a (possibly as small as 24-bit)
- * atomic_t while running.
- */
- atomic_set(&dd->active_time, 0);
- dd->eep_hrs = ifp->if_powerhour[0] | (ifp->if_powerhour[1] << 8);
-
done:
vfree(buf);
bail:;
}
-/**
- * qib_update_eeprom_log - copy active-time and error counters to eeprom
- * @dd: the qlogic_ib device
- *
- * Although the time is kept as seconds in the qib_devdata struct, it is
- * rounded to hours for re-write, as we have only 16 bits in EEPROM.
- * First-cut code reads whole (expected) struct qib_flash, modifies,
- * re-writes. Future direction: read/write only what we need, assuming
- * that the EEPROM had to have been "good enough" for driver init, and
- * if not, we aren't making it worse.
- *
- */
-int qib_update_eeprom_log(struct qib_devdata *dd)
-{
- void *buf;
- struct qib_flash *ifp;
- int len, hi_water;
- uint32_t new_time, new_hrs;
- u8 csum;
- int ret, idx;
- unsigned long flags;
-
- /* first, check if we actually need to do anything. */
- ret = 0;
- for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
- if (dd->eep_st_new_errs[idx]) {
- ret = 1;
- break;
- }
- }
- new_time = atomic_read(&dd->active_time);
-
- if (ret == 0 && new_time < 3600)
- goto bail;
-
- /*
- * The quick-check above determined that there is something worthy
- * of logging, so get current contents and do a more detailed idea.
- * read full flash, not just currently used part, since it may have
- * been written with a newer definition
- */
- len = sizeof(struct qib_flash);
- buf = vmalloc(len);
- ret = 1;
- if (!buf) {
- qib_dev_err(dd,
- "Couldn't allocate memory to read %u bytes from eeprom for logging\n",
- len);
- goto bail;
- }
-
- /* Grab semaphore and read current EEPROM. If we get an
- * error, let go, but if not, keep it until we finish write.
- */
- ret = mutex_lock_interruptible(&dd->eep_lock);
- if (ret) {
- qib_dev_err(dd, "Unable to acquire EEPROM for logging\n");
- goto free_bail;
- }
- ret = qib_twsi_blk_rd(dd, dd->twsi_eeprom_dev, 0, buf, len);
- if (ret) {
- mutex_unlock(&dd->eep_lock);
- qib_dev_err(dd, "Unable read EEPROM for logging\n");
- goto free_bail;
- }
- ifp = (struct qib_flash *)buf;
-
- csum = flash_csum(ifp, 0);
- if (csum != ifp->if_csum) {
- mutex_unlock(&dd->eep_lock);
- qib_dev_err(dd, "EEPROM cks err (0x%02X, S/B 0x%02X)\n",
- csum, ifp->if_csum);
- ret = 1;
- goto free_bail;
- }
- hi_water = 0;
- spin_lock_irqsave(&dd->eep_st_lock, flags);
- for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
- int new_val = dd->eep_st_new_errs[idx];
- if (new_val) {
- /*
- * If we have seen any errors, add to EEPROM values
- * We need to saturate at 0xFF (255) and we also
- * would need to adjust the checksum if we were
- * trying to minimize EEPROM traffic
- * Note that we add to actual current count in EEPROM,
- * in case it was altered while we were running.
- */
- new_val += ifp->if_errcntp[idx];
- if (new_val > 0xFF)
- new_val = 0xFF;
- if (ifp->if_errcntp[idx] != new_val) {
- ifp->if_errcntp[idx] = new_val;
- hi_water = offsetof(struct qib_flash,
- if_errcntp) + idx;
- }
- /*
- * update our shadow (used to minimize EEPROM
- * traffic), to match what we are about to write.
- */
- dd->eep_st_errs[idx] = new_val;
- dd->eep_st_new_errs[idx] = 0;
- }
- }
- /*
- * Now update active-time. We would like to round to the nearest hour
- * but unless atomic_t are sure to be proper signed ints we cannot,
- * because we need to account for what we "transfer" to EEPROM and
- * if we log an hour at 31 minutes, then we would need to set
- * active_time to -29 to accurately count the _next_ hour.
- */
- if (new_time >= 3600) {
- new_hrs = new_time / 3600;
- atomic_sub((new_hrs * 3600), &dd->active_time);
- new_hrs += dd->eep_hrs;
- if (new_hrs > 0xFFFF)
- new_hrs = 0xFFFF;
- dd->eep_hrs = new_hrs;
- if ((new_hrs & 0xFF) != ifp->if_powerhour[0]) {
- ifp->if_powerhour[0] = new_hrs & 0xFF;
- hi_water = offsetof(struct qib_flash, if_powerhour);
- }
- if ((new_hrs >> 8) != ifp->if_powerhour[1]) {
- ifp->if_powerhour[1] = new_hrs >> 8;
- hi_water = offsetof(struct qib_flash, if_powerhour) + 1;
- }
- }
- /*
- * There is a tiny possibility that we could somehow fail to write
- * the EEPROM after updating our shadows, but problems from holding
- * the spinlock too long are a much bigger issue.
- */
- spin_unlock_irqrestore(&dd->eep_st_lock, flags);
- if (hi_water) {
- /* we made some change to the data, uopdate cksum and write */
- csum = flash_csum(ifp, 1);
- ret = eeprom_write_with_enable(dd, 0, buf, hi_water + 1);
- }
- mutex_unlock(&dd->eep_lock);
- if (ret)
- qib_dev_err(dd, "Failed updating EEPROM\n");
-
-free_bail:
- vfree(buf);
-bail:
- return ret;
-}
-
-/**
- * qib_inc_eeprom_err - increment one of the four error counters
- * that are logged to EEPROM.
- * @dd: the qlogic_ib device
- * @eidx: 0..3, the counter to increment
- * @incr: how much to add
- *
- * Each counter is 8-bits, and saturates at 255 (0xFF). They
- * are copied to the EEPROM (aka flash) whenever qib_update_eeprom_log()
- * is called, but it can only be called in a context that allows sleep.
- * This function can be called even at interrupt level.
- */
-void qib_inc_eeprom_err(struct qib_devdata *dd, u32 eidx, u32 incr)
-{
- uint new_val;
- unsigned long flags;
-
- spin_lock_irqsave(&dd->eep_st_lock, flags);
- new_val = dd->eep_st_new_errs[eidx] + incr;
- if (new_val > 255)
- new_val = 255;
- dd->eep_st_new_errs[eidx] = new_val;
- spin_unlock_irqrestore(&dd->eep_st_lock, flags);
-}
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c
index b15e34eeef68..41937c6f888a 100644
--- a/drivers/infiniband/hw/qib/qib_file_ops.c
+++ b/drivers/infiniband/hw/qib/qib_file_ops.c
@@ -351,9 +351,10 @@ static int qib_tid_update(struct qib_ctxtdata *rcd, struct file *fp,
* unless perhaps the user has mpin'ed the pages
* themselves.
*/
- qib_devinfo(dd->pcidev,
- "Failed to lock addr %p, %u pages: "
- "errno %d\n", (void *) vaddr, cnt, -ret);
+ qib_devinfo(
+ dd->pcidev,
+ "Failed to lock addr %p, %u pages: errno %d\n",
+ (void *) vaddr, cnt, -ret);
goto done;
}
for (i = 0; i < cnt; i++, vaddr += PAGE_SIZE) {
@@ -437,7 +438,7 @@ cleanup:
goto cleanup;
}
if (copy_to_user((void __user *) (unsigned long) ti->tidmap,
- tidmap, sizeof tidmap)) {
+ tidmap, sizeof(tidmap))) {
ret = -EFAULT;
goto cleanup;
}
@@ -484,7 +485,7 @@ static int qib_tid_free(struct qib_ctxtdata *rcd, unsigned subctxt,
}
if (copy_from_user(tidmap, (void __user *)(unsigned long)ti->tidmap,
- sizeof tidmap)) {
+ sizeof(tidmap))) {
ret = -EFAULT;
goto done;
}
@@ -951,8 +952,8 @@ static int mmap_kvaddr(struct vm_area_struct *vma, u64 pgaddr,
/* rcvegrbufs are read-only on the slave */
if (vma->vm_flags & VM_WRITE) {
qib_devinfo(dd->pcidev,
- "Can't map eager buffers as "
- "writable (flags=%lx)\n", vma->vm_flags);
+ "Can't map eager buffers as writable (flags=%lx)\n",
+ vma->vm_flags);
ret = -EPERM;
goto bail;
}
@@ -1185,6 +1186,7 @@ static void assign_ctxt_affinity(struct file *fp, struct qib_devdata *dd)
*/
if (weight >= qib_cpulist_count) {
int cpu;
+
cpu = find_first_zero_bit(qib_cpulist,
qib_cpulist_count);
if (cpu == qib_cpulist_count)
@@ -1247,10 +1249,7 @@ static int init_subctxts(struct qib_devdata *dd,
if (!qib_compatible_subctxts(uinfo->spu_userversion >> 16,
uinfo->spu_userversion & 0xffff)) {
qib_devinfo(dd->pcidev,
- "Mismatched user version (%d.%d) and driver "
- "version (%d.%d) while context sharing. Ensure "
- "that driver and library are from the same "
- "release.\n",
+ "Mismatched user version (%d.%d) and driver version (%d.%d) while context sharing. Ensure that driver and library are from the same release.\n",
(int) (uinfo->spu_userversion >> 16),
(int) (uinfo->spu_userversion & 0xffff),
QIB_USER_SWMAJOR, QIB_USER_SWMINOR);
@@ -1391,6 +1390,7 @@ static int choose_port_ctxt(struct file *fp, struct qib_devdata *dd, u32 port,
}
if (!ppd) {
u32 pidx = ctxt % dd->num_pports;
+
if (usable(dd->pport + pidx))
ppd = dd->pport + pidx;
else {
@@ -1438,10 +1438,12 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo,
if (alg == QIB_PORT_ALG_ACROSS) {
unsigned inuse = ~0U;
+
/* find device (with ACTIVE ports) with fewest ctxts in use */
for (ndev = 0; ndev < devmax; ndev++) {
struct qib_devdata *dd = qib_lookup(ndev);
unsigned cused = 0, cfree = 0, pusable = 0;
+
if (!dd)
continue;
if (port && port <= dd->num_pports &&
@@ -1471,6 +1473,7 @@ static int get_a_ctxt(struct file *fp, const struct qib_user_info *uinfo,
} else {
for (ndev = 0; ndev < devmax; ndev++) {
struct qib_devdata *dd = qib_lookup(ndev);
+
if (dd) {
ret = choose_port_ctxt(fp, dd, port, uinfo);
if (!ret)
@@ -1556,6 +1559,7 @@ static int find_hca(unsigned int cpu, int *unit)
}
for (ndev = 0; ndev < devmax; ndev++) {
struct qib_devdata *dd = qib_lookup(ndev);
+
if (dd) {
if (pcibus_to_node(dd->pcidev->bus) < 0) {
ret = -EINVAL;
diff --git a/drivers/infiniband/hw/qib/qib_fs.c b/drivers/infiniband/hw/qib/qib_fs.c
index 81854586c081..55f240a363fe 100644
--- a/drivers/infiniband/hw/qib/qib_fs.c
+++ b/drivers/infiniband/hw/qib/qib_fs.c
@@ -106,7 +106,7 @@ static ssize_t driver_stats_read(struct file *file, char __user *buf,
{
qib_stats.sps_ints = qib_sps_ints();
return simple_read_from_buffer(buf, count, ppos, &qib_stats,
- sizeof qib_stats);
+ sizeof(qib_stats));
}
/*
@@ -133,7 +133,7 @@ static ssize_t driver_names_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos)
{
return simple_read_from_buffer(buf, count, ppos, qib_statnames,
- sizeof qib_statnames - 1); /* no null */
+ sizeof(qib_statnames) - 1); /* no null */
}
static const struct file_operations driver_ops[] = {
@@ -379,7 +379,7 @@ static int add_cntr_files(struct super_block *sb, struct qib_devdata *dd)
int ret, i;
/* create the per-unit directory */
- snprintf(unit, sizeof unit, "%u", dd->unit);
+ snprintf(unit, sizeof(unit), "%u", dd->unit);
ret = create_file(unit, S_IFDIR|S_IRUGO|S_IXUGO, sb->s_root, &dir,
&simple_dir_operations, dd);
if (ret) {
@@ -482,7 +482,7 @@ static int remove_device_files(struct super_block *sb,
root = dget(sb->s_root);
mutex_lock(&root->d_inode->i_mutex);
- snprintf(unit, sizeof unit, "%u", dd->unit);
+ snprintf(unit, sizeof(unit), "%u", dd->unit);
dir = lookup_one_len(unit, root, strlen(unit));
if (IS_ERR(dir)) {
@@ -560,6 +560,7 @@ static struct dentry *qibfs_mount(struct file_system_type *fs_type, int flags,
const char *dev_name, void *data)
{
struct dentry *ret;
+
ret = mount_single(fs_type, flags, data, qibfs_fill_super);
if (!IS_ERR(ret))
qib_super = ret->d_sb;
diff --git a/drivers/infiniband/hw/qib/qib_iba6120.c b/drivers/infiniband/hw/qib/qib_iba6120.c
index d68266ac7619..0d2ba59af30a 100644
--- a/drivers/infiniband/hw/qib/qib_iba6120.c
+++ b/drivers/infiniband/hw/qib/qib_iba6120.c
@@ -333,6 +333,7 @@ static inline void qib_write_ureg(const struct qib_devdata *dd,
enum qib_ureg regno, u64 value, int ctxt)
{
u64 __iomem *ubase;
+
if (dd->userbase)
ubase = (u64 __iomem *)
((char __iomem *) dd->userbase +
@@ -834,14 +835,14 @@ static void qib_handle_6120_hwerrors(struct qib_devdata *dd, char *msg,
bits = (u32) ((hwerrs >>
QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT) &
QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK);
- snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+ snprintf(bitsmsg, sizeof(dd->cspec->bitsmsgbuf),
"[PCIe Mem Parity Errs %x] ", bits);
strlcat(msg, bitsmsg, msgl);
}
if (hwerrs & _QIB_PLL_FAIL) {
isfatal = 1;
- snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+ snprintf(bitsmsg, sizeof(dd->cspec->bitsmsgbuf),
"[PLL failed (%llx), InfiniPath hardware unusable]",
(unsigned long long) hwerrs & _QIB_PLL_FAIL);
strlcat(msg, bitsmsg, msgl);
@@ -1014,7 +1015,7 @@ static void handle_6120_errors(struct qib_devdata *dd, u64 errs)
/* do these first, they are most important */
if (errs & ERR_MASK(HardwareErr))
- qib_handle_6120_hwerrors(dd, msg, sizeof dd->cspec->emsgbuf);
+ qib_handle_6120_hwerrors(dd, msg, sizeof(dd->cspec->emsgbuf));
else
for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
if (errs & dd->eep_st_masks[log_idx].errs_to_log)
@@ -1062,7 +1063,7 @@ static void handle_6120_errors(struct qib_devdata *dd, u64 errs)
*/
mask = ERR_MASK(IBStatusChanged) | ERR_MASK(RcvEgrFullErr) |
ERR_MASK(RcvHdrFullErr) | ERR_MASK(HardwareErr);
- qib_decode_6120_err(dd, msg, sizeof dd->cspec->emsgbuf, errs & ~mask);
+ qib_decode_6120_err(dd, msg, sizeof(dd->cspec->emsgbuf), errs & ~mask);
if (errs & E_SUM_PKTERRS)
qib_stats.sps_rcverrs++;
@@ -1670,6 +1671,7 @@ static irqreturn_t qib_6120intr(int irq, void *data)
}
if (crcs) {
u32 cntr = dd->cspec->lli_counter;
+
cntr += crcs;
if (cntr) {
if (cntr > dd->cspec->lli_thresh) {
@@ -1722,6 +1724,7 @@ static void qib_setup_6120_interrupt(struct qib_devdata *dd)
"irq is 0, BIOS error? Interrupts won't work\n");
else {
int ret;
+
ret = request_irq(dd->cspec->irq, qib_6120intr, 0,
QIB_DRV_NAME, dd);
if (ret)
@@ -2681,8 +2684,6 @@ static void qib_get_6120_faststats(unsigned long opaque)
spin_lock_irqsave(&dd->eep_st_lock, flags);
traffic_wds -= dd->traffic_wds;
dd->traffic_wds += traffic_wds;
- if (traffic_wds >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
- atomic_add(5, &dd->active_time); /* S/B #define */
spin_unlock_irqrestore(&dd->eep_st_lock, flags);
qib_chk_6120_errormask(dd);
@@ -2929,6 +2930,7 @@ bail:
static int qib_6120_set_loopback(struct qib_pportdata *ppd, const char *what)
{
int ret = 0;
+
if (!strncmp(what, "ibc", 3)) {
ppd->dd->cspec->ibcctrl |= SYM_MASK(IBCCtrl, Loopback);
qib_devinfo(ppd->dd->pcidev, "Enabling IB%u:%u IBC loopback\n",
@@ -3170,6 +3172,7 @@ static void get_6120_chip_params(struct qib_devdata *dd)
static void set_6120_baseaddrs(struct qib_devdata *dd)
{
u32 cregbase;
+
cregbase = qib_read_kreg32(dd, kr_counterregbase);
dd->cspec->cregbase = (u64 __iomem *)
((char __iomem *) dd->kregbase + cregbase);
diff --git a/drivers/infiniband/hw/qib/qib_iba7220.c b/drivers/infiniband/hw/qib/qib_iba7220.c
index 7dec89fdc124..22affda8af88 100644
--- a/drivers/infiniband/hw/qib/qib_iba7220.c
+++ b/drivers/infiniband/hw/qib/qib_iba7220.c
@@ -902,7 +902,8 @@ static void sdma_7220_errors(struct qib_pportdata *ppd, u64 errs)
errs &= QLOGIC_IB_E_SDMAERRS;
msg = dd->cspec->sdmamsgbuf;
- qib_decode_7220_sdma_errs(ppd, errs, msg, sizeof dd->cspec->sdmamsgbuf);
+ qib_decode_7220_sdma_errs(ppd, errs, msg,
+ sizeof(dd->cspec->sdmamsgbuf));
spin_lock_irqsave(&ppd->sdma_lock, flags);
if (errs & ERR_MASK(SendBufMisuseErr)) {
@@ -1043,6 +1044,7 @@ done:
static void reenable_7220_chase(unsigned long opaque)
{
struct qib_pportdata *ppd = (struct qib_pportdata *)opaque;
+
ppd->cpspec->chase_timer.expires = 0;
qib_set_ib_7220_lstate(ppd, QLOGIC_IB_IBCC_LINKCMD_DOWN,
QLOGIC_IB_IBCC_LINKINITCMD_POLL);
@@ -1101,7 +1103,7 @@ static void handle_7220_errors(struct qib_devdata *dd, u64 errs)
/* do these first, they are most important */
if (errs & ERR_MASK(HardwareErr))
- qib_7220_handle_hwerrors(dd, msg, sizeof dd->cspec->emsgbuf);
+ qib_7220_handle_hwerrors(dd, msg, sizeof(dd->cspec->emsgbuf));
else
for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
if (errs & dd->eep_st_masks[log_idx].errs_to_log)
@@ -1155,7 +1157,7 @@ static void handle_7220_errors(struct qib_devdata *dd, u64 errs)
ERR_MASK(RcvEgrFullErr) | ERR_MASK(RcvHdrFullErr) |
ERR_MASK(HardwareErr) | ERR_MASK(SDmaDisabledErr);
- qib_decode_7220_err(dd, msg, sizeof dd->cspec->emsgbuf, errs & ~mask);
+ qib_decode_7220_err(dd, msg, sizeof(dd->cspec->emsgbuf), errs & ~mask);
if (errs & E_SUM_PKTERRS)
qib_stats.sps_rcverrs++;
@@ -1380,7 +1382,7 @@ static void qib_7220_handle_hwerrors(struct qib_devdata *dd, char *msg,
bits = (u32) ((hwerrs >>
QLOGIC_IB_HWE_PCIEMEMPARITYERR_SHIFT) &
QLOGIC_IB_HWE_PCIEMEMPARITYERR_MASK);
- snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+ snprintf(bitsmsg, sizeof(dd->cspec->bitsmsgbuf),
"[PCIe Mem Parity Errs %x] ", bits);
strlcat(msg, bitsmsg, msgl);
}
@@ -1390,7 +1392,7 @@ static void qib_7220_handle_hwerrors(struct qib_devdata *dd, char *msg,
if (hwerrs & _QIB_PLL_FAIL) {
isfatal = 1;
- snprintf(bitsmsg, sizeof dd->cspec->bitsmsgbuf,
+ snprintf(bitsmsg, sizeof(dd->cspec->bitsmsgbuf),
"[PLL failed (%llx), InfiniPath hardware unusable]",
(unsigned long long) hwerrs & _QIB_PLL_FAIL);
strlcat(msg, bitsmsg, msgl);
@@ -3297,8 +3299,6 @@ static void qib_get_7220_faststats(unsigned long opaque)
spin_lock_irqsave(&dd->eep_st_lock, flags);
traffic_wds -= dd->traffic_wds;
dd->traffic_wds += traffic_wds;
- if (traffic_wds >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
- atomic_add(5, &dd->active_time); /* S/B #define */
spin_unlock_irqrestore(&dd->eep_st_lock, flags);
done:
mod_timer(&dd->stats_timer, jiffies + HZ * ACTIVITY_TIMER);
diff --git a/drivers/infiniband/hw/qib/qib_iba7322.c b/drivers/infiniband/hw/qib/qib_iba7322.c
index a7eb32517a04..ef97b71c8f7d 100644
--- a/drivers/infiniband/hw/qib/qib_iba7322.c
+++ b/drivers/infiniband/hw/qib/qib_iba7322.c
@@ -117,7 +117,7 @@ MODULE_PARM_DESC(chase, "Enable state chase handling");
static ushort qib_long_atten = 10; /* 10 dB ~= 5m length */
module_param_named(long_attenuation, qib_long_atten, ushort, S_IRUGO);
-MODULE_PARM_DESC(long_attenuation, \
+MODULE_PARM_DESC(long_attenuation,
"attenuation cutoff (dB) for long copper cable setup");
static ushort qib_singleport;
@@ -153,11 +153,12 @@ static struct kparam_string kp_txselect = {
static int setup_txselect(const char *, struct kernel_param *);
module_param_call(txselect, setup_txselect, param_get_string,
&kp_txselect, S_IWUSR | S_IRUGO);
-MODULE_PARM_DESC(txselect, \
+MODULE_PARM_DESC(txselect,
"Tx serdes indices (for no QSFP or invalid QSFP data)");
#define BOARD_QME7342 5
#define BOARD_QMH7342 6
+#define BOARD_QMH7360 9
#define IS_QMH(dd) (SYM_FIELD((dd)->revision, Revision, BoardID) == \
BOARD_QMH7342)
#define IS_QME(dd) (SYM_FIELD((dd)->revision, Revision, BoardID) == \
@@ -817,6 +818,7 @@ static inline void qib_write_ureg(const struct qib_devdata *dd,
enum qib_ureg regno, u64 value, int ctxt)
{
u64 __iomem *ubase;
+
if (dd->userbase)
ubase = (u64 __iomem *)
((char __iomem *) dd->userbase +
@@ -1677,7 +1679,7 @@ static noinline void handle_7322_errors(struct qib_devdata *dd)
/* do these first, they are most important */
if (errs & QIB_E_HARDWARE) {
*msg = '\0';
- qib_7322_handle_hwerrors(dd, msg, sizeof dd->cspec->emsgbuf);
+ qib_7322_handle_hwerrors(dd, msg, sizeof(dd->cspec->emsgbuf));
} else
for (log_idx = 0; log_idx < QIB_EEP_LOG_CNT; ++log_idx)
if (errs & dd->eep_st_masks[log_idx].errs_to_log)
@@ -1702,7 +1704,7 @@ static noinline void handle_7322_errors(struct qib_devdata *dd)
mask = QIB_E_HARDWARE;
*msg = '\0';
- err_decode(msg, sizeof dd->cspec->emsgbuf, errs & ~mask,
+ err_decode(msg, sizeof(dd->cspec->emsgbuf), errs & ~mask,
qib_7322error_msgs);
/*
@@ -1889,10 +1891,10 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
*msg = '\0';
if (errs & ~QIB_E_P_BITSEXTANT) {
- err_decode(msg, sizeof ppd->cpspec->epmsgbuf,
+ err_decode(msg, sizeof(ppd->cpspec->epmsgbuf),
errs & ~QIB_E_P_BITSEXTANT, qib_7322p_error_msgs);
if (!*msg)
- snprintf(msg, sizeof ppd->cpspec->epmsgbuf,
+ snprintf(msg, sizeof(ppd->cpspec->epmsgbuf),
"no others");
qib_dev_porterr(dd, ppd->port,
"error interrupt with unknown errors 0x%016Lx set (and %s)\n",
@@ -1906,7 +1908,7 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
/* determine cause, then write to clear */
symptom = qib_read_kreg_port(ppd, krp_sendhdrsymptom);
qib_write_kreg_port(ppd, krp_sendhdrsymptom, 0);
- err_decode(msg, sizeof ppd->cpspec->epmsgbuf, symptom,
+ err_decode(msg, sizeof(ppd->cpspec->epmsgbuf), symptom,
hdrchk_msgs);
*msg = '\0';
/* senderrbuf cleared in SPKTERRS below */
@@ -1922,7 +1924,7 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
* isn't valid. We don't want to confuse people, so
* we just don't print them, except at debug
*/
- err_decode(msg, sizeof ppd->cpspec->epmsgbuf,
+ err_decode(msg, sizeof(ppd->cpspec->epmsgbuf),
(errs & QIB_E_P_LINK_PKTERRS),
qib_7322p_error_msgs);
*msg = '\0';
@@ -1938,7 +1940,7 @@ static noinline void handle_7322_p_errors(struct qib_pportdata *ppd)
* valid. We don't want to confuse people, so we just
* don't print them, except at debug
*/
- err_decode(msg, sizeof ppd->cpspec->epmsgbuf, errs,
+ err_decode(msg, sizeof(ppd->cpspec->epmsgbuf), errs,
qib_7322p_error_msgs);
ignore_this_time = errs & QIB_E_P_LINK_PKTERRS;
*msg = '\0';
@@ -2031,6 +2033,7 @@ static void qib_7322_set_intr_state(struct qib_devdata *dd, u32 enable)
if (dd->cspec->num_msix_entries) {
/* and same for MSIx */
u64 val = qib_read_kreg64(dd, kr_intgranted);
+
if (val)
qib_write_kreg(dd, kr_intgranted, val);
}
@@ -2176,6 +2179,7 @@ static void qib_7322_handle_hwerrors(struct qib_devdata *dd, char *msg,
int err;
unsigned long flags;
struct qib_pportdata *ppd = dd->pport;
+
for (; pidx < dd->num_pports; ++pidx, ppd++) {
err = 0;
if (pidx == 0 && (hwerrs &
@@ -2801,9 +2805,11 @@ static void qib_irq_notifier_notify(struct irq_affinity_notify *notify,
if (n->rcv) {
struct qib_ctxtdata *rcd = (struct qib_ctxtdata *)n->arg;
+
qib_update_rhdrq_dca(rcd, cpu);
} else {
struct qib_pportdata *ppd = (struct qib_pportdata *)n->arg;
+
qib_update_sdma_dca(ppd, cpu);
}
}
@@ -2816,9 +2822,11 @@ static void qib_irq_notifier_release(struct kref *ref)
if (n->rcv) {
struct qib_ctxtdata *rcd = (struct qib_ctxtdata *)n->arg;
+
dd = rcd->dd;
} else {
struct qib_pportdata *ppd = (struct qib_pportdata *)n->arg;
+
dd = ppd->dd;
}
qib_devinfo(dd->pcidev,
@@ -2994,6 +3002,7 @@ static noinline void unknown_7322_gpio_intr(struct qib_devdata *dd)
struct qib_pportdata *ppd;
struct qib_qsfp_data *qd;
u32 mask;
+
if (!dd->pport[pidx].link_speed_supported)
continue;
mask = QSFP_GPIO_MOD_PRS_N;
@@ -3001,6 +3010,7 @@ static noinline void unknown_7322_gpio_intr(struct qib_devdata *dd)
mask <<= (QSFP_GPIO_PORT2_SHIFT * ppd->hw_pidx);
if (gpiostatus & dd->cspec->gpio_mask & mask) {
u64 pins;
+
qd = &ppd->cpspec->qsfp_data;
gpiostatus &= ~mask;
pins = qib_read_kreg64(dd, kr_extstatus);
@@ -3442,7 +3452,7 @@ try_intx:
}
/* Try to get MSIx interrupts */
- memset(redirect, 0, sizeof redirect);
+ memset(redirect, 0, sizeof(redirect));
mask = ~0ULL;
msixnum = 0;
local_mask = cpumask_of_pcibus(dd->pcidev->bus);
@@ -3617,6 +3627,10 @@ static unsigned qib_7322_boardname(struct qib_devdata *dd)
n = "InfiniPath_QME7362";
dd->flags |= QIB_HAS_QSFP;
break;
+ case BOARD_QMH7360:
+ n = "Intel IB QDR 1P FLR-QSFP Adptr";
+ dd->flags |= QIB_HAS_QSFP;
+ break;
case 15:
n = "InfiniPath_QLE7342_TEST";
dd->flags |= QIB_HAS_QSFP;
@@ -3694,6 +3708,7 @@ static int qib_do_7322_reset(struct qib_devdata *dd)
*/
for (i = 0; i < msix_entries; i++) {
u64 vecaddr, vecdata;
+
vecaddr = qib_read_kreg64(dd, 2 * i +
(QIB_7322_MsixTable_OFFS / sizeof(u64)));
vecdata = qib_read_kreg64(dd, 1 + 2 * i +
@@ -5178,8 +5193,6 @@ static void qib_get_7322_faststats(unsigned long opaque)
spin_lock_irqsave(&ppd->dd->eep_st_lock, flags);
traffic_wds -= ppd->dd->traffic_wds;
ppd->dd->traffic_wds += traffic_wds;
- if (traffic_wds >= QIB_TRAFFIC_ACTIVE_THRESHOLD)
- atomic_add(ACTIVITY_TIMER, &ppd->dd->active_time);
spin_unlock_irqrestore(&ppd->dd->eep_st_lock, flags);
if (ppd->cpspec->qdr_dfe_on && (ppd->link_speed_active &
QIB_IB_QDR) &&
@@ -5357,6 +5370,7 @@ static void qib_autoneg_7322_send(struct qib_pportdata *ppd, int which)
static void set_7322_ibspeed_fast(struct qib_pportdata *ppd, u32 speed)
{
u64 newctrlb;
+
newctrlb = ppd->cpspec->ibcctrl_b & ~(IBA7322_IBC_SPEED_MASK |
IBA7322_IBC_IBTA_1_2_MASK |
IBA7322_IBC_MAX_SPEED_MASK);
@@ -5843,6 +5857,7 @@ static void get_7322_chip_params(struct qib_devdata *dd)
static void qib_7322_set_baseaddrs(struct qib_devdata *dd)
{
u32 cregbase;
+
cregbase = qib_read_kreg32(dd, kr_counterregbase);
dd->cspec->cregbase = (u64 __iomem *)(cregbase +
@@ -6183,6 +6198,7 @@ static int setup_txselect(const char *str, struct kernel_param *kp)
struct qib_devdata *dd;
unsigned long val;
char *n;
+
if (strlen(str) >= MAX_ATTEN_LEN) {
pr_info("txselect_values string too long\n");
return -ENOSPC;
@@ -6393,6 +6409,7 @@ static void write_7322_initregs(struct qib_devdata *dd)
val = TIDFLOW_ERRBITS; /* these are W1C */
for (i = 0; i < dd->cfgctxts; i++) {
int flow;
+
for (flow = 0; flow < NUM_TIDFLOWS_CTXT; flow++)
qib_write_ureg(dd, ur_rcvflowtable+flow, val, i);
}
@@ -6503,6 +6520,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
for (pidx = 0; pidx < NUM_IB_PORTS; ++pidx) {
struct qib_chippport_specific *cp = ppd->cpspec;
+
ppd->link_speed_supported = features & PORT_SPD_CAP;
features >>= PORT_SPD_CAP_SHIFT;
if (!ppd->link_speed_supported) {
@@ -6581,8 +6599,7 @@ static int qib_init_7322_variables(struct qib_devdata *dd)
ppd->vls_supported = IB_VL_VL0_7;
else {
qib_devinfo(dd->pcidev,
- "Invalid num_vls %u for MTU %d "
- ", using 4 VLs\n",
+ "Invalid num_vls %u for MTU %d , using 4 VLs\n",
qib_num_cfg_vls, mtu);
ppd->vls_supported = IB_VL_VL0_3;
qib_num_cfg_vls = 4;
@@ -7890,6 +7907,7 @@ static void serdes_7322_los_enable(struct qib_pportdata *ppd, int enable)
static int serdes_7322_init(struct qib_pportdata *ppd)
{
int ret = 0;
+
if (ppd->dd->cspec->r1)
ret = serdes_7322_init_old(ppd);
else
@@ -8305,8 +8323,8 @@ static void force_h1(struct qib_pportdata *ppd)
static int qib_r_grab(struct qib_devdata *dd)
{
- u64 val;
- val = SJA_EN;
+ u64 val = SJA_EN;
+
qib_write_kreg(dd, kr_r_access, val);
qib_read_kreg32(dd, kr_scratch);
return 0;
@@ -8319,6 +8337,7 @@ static int qib_r_wait_for_rdy(struct qib_devdata *dd)
{
u64 val;
int timeout;
+
for (timeout = 0; timeout < 100 ; ++timeout) {
val = qib_read_kreg32(dd, kr_r_access);
if (val & R_RDY)
@@ -8346,6 +8365,7 @@ static int qib_r_shift(struct qib_devdata *dd, int bisten,
}
if (inp) {
int tdi = inp[pos >> 3] >> (pos & 7);
+
val |= ((tdi & 1) << R_TDI_LSB);
}
qib_write_kreg(dd, kr_r_access, val);
diff --git a/drivers/infiniband/hw/qib/qib_init.c b/drivers/infiniband/hw/qib/qib_init.c
index 729da39c49ed..2ee36953e234 100644
--- a/drivers/infiniband/hw/qib/qib_init.c
+++ b/drivers/infiniband/hw/qib/qib_init.c
@@ -140,7 +140,7 @@ int qib_create_ctxts(struct qib_devdata *dd)
* Allocate full ctxtcnt array, rather than just cfgctxts, because
* cleanup iterates across all possible ctxts.
*/
- dd->rcd = kzalloc(sizeof(*dd->rcd) * dd->ctxtcnt, GFP_KERNEL);
+ dd->rcd = kcalloc(dd->ctxtcnt, sizeof(*dd->rcd), GFP_KERNEL);
if (!dd->rcd) {
qib_dev_err(dd,
"Unable to allocate ctxtdata array, failing\n");
@@ -234,6 +234,7 @@ int qib_init_pportdata(struct qib_pportdata *ppd, struct qib_devdata *dd,
u8 hw_pidx, u8 port)
{
int size;
+
ppd->dd = dd;
ppd->hw_pidx = hw_pidx;
ppd->port = port; /* IB port number, not index */
@@ -613,6 +614,7 @@ static int qib_create_workqueues(struct qib_devdata *dd)
ppd = dd->pport + pidx;
if (!ppd->qib_wq) {
char wq_name[8]; /* 3 + 2 + 1 + 1 + 1 */
+
snprintf(wq_name, sizeof(wq_name), "qib%d_%d",
dd->unit, pidx);
ppd->qib_wq =
@@ -714,6 +716,7 @@ int qib_init(struct qib_devdata *dd, int reinit)
for (pidx = 0; pidx < dd->num_pports; ++pidx) {
int mtu;
+
if (lastfail)
ret = lastfail;
ppd = dd->pport + pidx;
@@ -931,7 +934,6 @@ static void qib_shutdown_device(struct qib_devdata *dd)
qib_free_pportdata(ppd);
}
- qib_update_eeprom_log(dd);
}
/**
@@ -1026,8 +1028,7 @@ static void qib_verify_pioperf(struct qib_devdata *dd)
addr = vmalloc(cnt);
if (!addr) {
qib_devinfo(dd->pcidev,
- "Couldn't get memory for checking PIO perf,"
- " skipping\n");
+ "Couldn't get memory for checking PIO perf, skipping\n");
goto done;
}
@@ -1163,6 +1164,7 @@ struct qib_devdata *qib_alloc_devdata(struct pci_dev *pdev, size_t extra)
if (!qib_cpulist_count) {
u32 count = num_online_cpus();
+
qib_cpulist = kzalloc(BITS_TO_LONGS(count) *
sizeof(long), GFP_KERNEL);
if (qib_cpulist)
@@ -1179,7 +1181,7 @@ bail:
if (!list_empty(&dd->list))
list_del_init(&dd->list);
ib_dealloc_device(&dd->verbs_dev.ibdev);
- return ERR_PTR(ret);;
+ return ERR_PTR(ret);
}
/*
diff --git a/drivers/infiniband/hw/qib/qib_intr.c b/drivers/infiniband/hw/qib/qib_intr.c
index f4918f2165ec..086616d071b9 100644
--- a/drivers/infiniband/hw/qib/qib_intr.c
+++ b/drivers/infiniband/hw/qib/qib_intr.c
@@ -168,7 +168,6 @@ skip_ibchange:
ppd->lastibcstat = ibcs;
if (ev)
signal_ib_event(ppd, ev);
- return;
}
void qib_clear_symerror_on_linkup(unsigned long opaque)
diff --git a/drivers/infiniband/hw/qib/qib_keys.c b/drivers/infiniband/hw/qib/qib_keys.c
index 3b9afccaaade..ad843c786e72 100644
--- a/drivers/infiniband/hw/qib/qib_keys.c
+++ b/drivers/infiniband/hw/qib/qib_keys.c
@@ -122,10 +122,10 @@ void qib_free_lkey(struct qib_mregion *mr)
if (!mr->lkey_published)
goto out;
if (lkey == 0)
- rcu_assign_pointer(dev->dma_mr, NULL);
+ RCU_INIT_POINTER(dev->dma_mr, NULL);
else {
r = lkey >> (32 - ib_qib_lkey_table_size);
- rcu_assign_pointer(rkt->table[r], NULL);
+ RCU_INIT_POINTER(rkt->table[r], NULL);
}
qib_put_mr(mr);
mr->lkey_published = 0;
diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c
index 636be117b578..395f4046dba2 100644
--- a/drivers/infiniband/hw/qib/qib_mad.c
+++ b/drivers/infiniband/hw/qib/qib_mad.c
@@ -152,14 +152,14 @@ void qib_bad_pqkey(struct qib_ibport *ibp, __be16 trap_num, u32 key, u32 sl,
data.trap_num = trap_num;
data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
data.toggle_count = 0;
- memset(&data.details, 0, sizeof data.details);
+ memset(&data.details, 0, sizeof(data.details));
data.details.ntc_257_258.lid1 = lid1;
data.details.ntc_257_258.lid2 = lid2;
data.details.ntc_257_258.key = cpu_to_be32(key);
data.details.ntc_257_258.sl_qp1 = cpu_to_be32((sl << 28) | qp1);
data.details.ntc_257_258.qp2 = cpu_to_be32(qp2);
- qib_send_trap(ibp, &data, sizeof data);
+ qib_send_trap(ibp, &data, sizeof(data));
}
/*
@@ -176,7 +176,7 @@ static void qib_bad_mkey(struct qib_ibport *ibp, struct ib_smp *smp)
data.trap_num = IB_NOTICE_TRAP_BAD_MKEY;
data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
data.toggle_count = 0;
- memset(&data.details, 0, sizeof data.details);
+ memset(&data.details, 0, sizeof(data.details));
data.details.ntc_256.lid = data.issuer_lid;
data.details.ntc_256.method = smp->method;
data.details.ntc_256.attr_id = smp->attr_id;
@@ -198,7 +198,7 @@ static void qib_bad_mkey(struct qib_ibport *ibp, struct ib_smp *smp)
hop_cnt);
}
- qib_send_trap(ibp, &data, sizeof data);
+ qib_send_trap(ibp, &data, sizeof(data));
}
/*
@@ -214,11 +214,11 @@ void qib_cap_mask_chg(struct qib_ibport *ibp)
data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG;
data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
data.toggle_count = 0;
- memset(&data.details, 0, sizeof data.details);
+ memset(&data.details, 0, sizeof(data.details));
data.details.ntc_144.lid = data.issuer_lid;
data.details.ntc_144.new_cap_mask = cpu_to_be32(ibp->port_cap_flags);
- qib_send_trap(ibp, &data, sizeof data);
+ qib_send_trap(ibp, &data, sizeof(data));
}
/*
@@ -234,11 +234,11 @@ void qib_sys_guid_chg(struct qib_ibport *ibp)
data.trap_num = IB_NOTICE_TRAP_SYS_GUID_CHG;
data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
data.toggle_count = 0;
- memset(&data.details, 0, sizeof data.details);
+ memset(&data.details, 0, sizeof(data.details));
data.details.ntc_145.lid = data.issuer_lid;
data.details.ntc_145.new_sys_guid = ib_qib_sys_image_guid;
- qib_send_trap(ibp, &data, sizeof data);
+ qib_send_trap(ibp, &data, sizeof(data));
}
/*
@@ -254,12 +254,12 @@ void qib_node_desc_chg(struct qib_ibport *ibp)
data.trap_num = IB_NOTICE_TRAP_CAP_MASK_CHG;
data.issuer_lid = cpu_to_be16(ppd_from_ibp(ibp)->lid);
data.toggle_count = 0;
- memset(&data.details, 0, sizeof data.details);
+ memset(&data.details, 0, sizeof(data.details));
data.details.ntc_144.lid = data.issuer_lid;
data.details.ntc_144.local_changes = 1;
data.details.ntc_144.change_flags = IB_NOTICE_TRAP_NODE_DESC_CHG;
- qib_send_trap(ibp, &data, sizeof data);
+ qib_send_trap(ibp, &data, sizeof(data));
}
static int subn_get_nodedescription(struct ib_smp *smp,
diff --git a/drivers/infiniband/hw/qib/qib_mmap.c b/drivers/infiniband/hw/qib/qib_mmap.c
index 8b73a11d571c..146cf29a2e1d 100644
--- a/drivers/infiniband/hw/qib/qib_mmap.c
+++ b/drivers/infiniband/hw/qib/qib_mmap.c
@@ -134,7 +134,7 @@ struct qib_mmap_info *qib_create_mmap_info(struct qib_ibdev *dev,
void *obj) {
struct qib_mmap_info *ip;
- ip = kmalloc(sizeof *ip, GFP_KERNEL);
+ ip = kmalloc(sizeof(*ip), GFP_KERNEL);
if (!ip)
goto bail;
diff --git a/drivers/infiniband/hw/qib/qib_mr.c b/drivers/infiniband/hw/qib/qib_mr.c
index a77fb4fb14e4..c4473db46699 100644
--- a/drivers/infiniband/hw/qib/qib_mr.c
+++ b/drivers/infiniband/hw/qib/qib_mr.c
@@ -55,7 +55,7 @@ static int init_qib_mregion(struct qib_mregion *mr, struct ib_pd *pd,
m = (count + QIB_SEGSZ - 1) / QIB_SEGSZ;
for (; i < m; i++) {
- mr->map[i] = kzalloc(sizeof *mr->map[0], GFP_KERNEL);
+ mr->map[i] = kzalloc(sizeof(*mr->map[0]), GFP_KERNEL);
if (!mr->map[i])
goto bail;
}
@@ -104,7 +104,7 @@ struct ib_mr *qib_get_dma_mr(struct ib_pd *pd, int acc)
goto bail;
}
- mr = kzalloc(sizeof *mr, GFP_KERNEL);
+ mr = kzalloc(sizeof(*mr), GFP_KERNEL);
if (!mr) {
ret = ERR_PTR(-ENOMEM);
goto bail;
@@ -143,7 +143,7 @@ static struct qib_mr *alloc_mr(int count, struct ib_pd *pd)
/* Allocate struct plus pointers to first level page tables. */
m = (count + QIB_SEGSZ - 1) / QIB_SEGSZ;
- mr = kzalloc(sizeof *mr + m * sizeof mr->mr.map[0], GFP_KERNEL);
+ mr = kzalloc(sizeof(*mr) + m * sizeof(mr->mr.map[0]), GFP_KERNEL);
if (!mr)
goto bail;
@@ -347,7 +347,7 @@ qib_alloc_fast_reg_page_list(struct ib_device *ibdev, int page_list_len)
if (size > PAGE_SIZE)
return ERR_PTR(-EINVAL);
- pl = kzalloc(sizeof *pl, GFP_KERNEL);
+ pl = kzalloc(sizeof(*pl), GFP_KERNEL);
if (!pl)
return ERR_PTR(-ENOMEM);
@@ -386,7 +386,7 @@ struct ib_fmr *qib_alloc_fmr(struct ib_pd *pd, int mr_access_flags,
/* Allocate struct plus pointers to first level page tables. */
m = (fmr_attr->max_pages + QIB_SEGSZ - 1) / QIB_SEGSZ;
- fmr = kzalloc(sizeof *fmr + m * sizeof fmr->mr.map[0], GFP_KERNEL);
+ fmr = kzalloc(sizeof(*fmr) + m * sizeof(fmr->mr.map[0]), GFP_KERNEL);
if (!fmr)
goto bail;
diff --git a/drivers/infiniband/hw/qib/qib_pcie.c b/drivers/infiniband/hw/qib/qib_pcie.c
index 61a0046efb76..4758a3801ae8 100644
--- a/drivers/infiniband/hw/qib/qib_pcie.c
+++ b/drivers/infiniband/hw/qib/qib_pcie.c
@@ -210,7 +210,7 @@ static void qib_msix_setup(struct qib_devdata *dd, int pos, u32 *msixcnt,
/* We can't pass qib_msix_entry array to qib_msix_setup
* so use a dummy msix_entry array and copy the allocated
* irq back to the qib_msix_entry array. */
- msix_entry = kmalloc(nvec * sizeof(*msix_entry), GFP_KERNEL);
+ msix_entry = kcalloc(nvec, sizeof(*msix_entry), GFP_KERNEL);
if (!msix_entry)
goto do_intx;
@@ -234,8 +234,10 @@ free_msix_entry:
kfree(msix_entry);
do_intx:
- qib_dev_err(dd, "pci_enable_msix_range %d vectors failed: %d, "
- "falling back to INTx\n", nvec, ret);
+ qib_dev_err(
+ dd,
+ "pci_enable_msix_range %d vectors failed: %d, falling back to INTx\n",
+ nvec, ret);
*msixcnt = 0;
qib_enable_intx(dd->pcidev);
}
@@ -459,6 +461,7 @@ void qib_pcie_getcmd(struct qib_devdata *dd, u16 *cmd, u8 *iline, u8 *cline)
void qib_pcie_reenable(struct qib_devdata *dd, u16 cmd, u8 iline, u8 cline)
{
int r;
+
r = pci_write_config_dword(dd->pcidev, PCI_BASE_ADDRESS_0,
dd->pcibar0);
if (r)
@@ -696,6 +699,7 @@ static void
qib_pci_resume(struct pci_dev *pdev)
{
struct qib_devdata *dd = pci_get_drvdata(pdev);
+
qib_devinfo(pdev, "QIB resume function called\n");
pci_cleanup_aer_uncorrect_error_status(pdev);
/*
diff --git a/drivers/infiniband/hw/qib/qib_qp.c b/drivers/infiniband/hw/qib/qib_qp.c
index 6ddc0264aad2..4fa88ba2963e 100644
--- a/drivers/infiniband/hw/qib/qib_qp.c
+++ b/drivers/infiniband/hw/qib/qib_qp.c
@@ -255,10 +255,10 @@ static void remove_qp(struct qib_ibdev *dev, struct qib_qp *qp)
if (rcu_dereference_protected(ibp->qp0,
lockdep_is_held(&dev->qpt_lock)) == qp) {
- rcu_assign_pointer(ibp->qp0, NULL);
+ RCU_INIT_POINTER(ibp->qp0, NULL);
} else if (rcu_dereference_protected(ibp->qp1,
lockdep_is_held(&dev->qpt_lock)) == qp) {
- rcu_assign_pointer(ibp->qp1, NULL);
+ RCU_INIT_POINTER(ibp->qp1, NULL);
} else {
struct qib_qp *q;
struct qib_qp __rcu **qpp;
@@ -269,7 +269,7 @@ static void remove_qp(struct qib_ibdev *dev, struct qib_qp *qp)
lockdep_is_held(&dev->qpt_lock))) != NULL;
qpp = &q->next)
if (q == qp) {
- rcu_assign_pointer(*qpp,
+ RCU_INIT_POINTER(*qpp,
rcu_dereference_protected(qp->next,
lockdep_is_held(&dev->qpt_lock)));
removed = 1;
@@ -315,7 +315,7 @@ unsigned qib_free_all_qps(struct qib_devdata *dd)
for (n = 0; n < dev->qp_table_size; n++) {
qp = rcu_dereference_protected(dev->qp_table[n],
lockdep_is_held(&dev->qpt_lock));
- rcu_assign_pointer(dev->qp_table[n], NULL);
+ RCU_INIT_POINTER(dev->qp_table[n], NULL);
for (; qp; qp = rcu_dereference_protected(qp->next,
lockdep_is_held(&dev->qpt_lock)))
diff --git a/drivers/infiniband/hw/qib/qib_qsfp.c b/drivers/infiniband/hw/qib/qib_qsfp.c
index fa71b1e666c5..5e27f76805e2 100644
--- a/drivers/infiniband/hw/qib/qib_qsfp.c
+++ b/drivers/infiniband/hw/qib/qib_qsfp.c
@@ -81,7 +81,7 @@ static int qsfp_read(struct qib_pportdata *ppd, int addr, void *bp, int len)
* Module could take up to 2 Msec to respond to MOD_SEL, and there
* is no way to tell if it is ready, so we must wait.
*/
- msleep(2);
+ msleep(20);
/* Make sure TWSI bus is in sane state. */
ret = qib_twsi_reset(dd);
@@ -99,6 +99,7 @@ static int qsfp_read(struct qib_pportdata *ppd, int addr, void *bp, int len)
while (cnt < len) {
unsigned in_page;
int wlen = len - cnt;
+
in_page = addr % QSFP_PAGESIZE;
if ((in_page + wlen) > QSFP_PAGESIZE)
wlen = QSFP_PAGESIZE - in_page;
@@ -139,7 +140,7 @@ deselect:
else if (pass)
qib_dev_porterr(dd, ppd->port, "QSFP retries: %d\n", pass);
- msleep(2);
+ msleep(20);
bail:
mutex_unlock(&dd->eep_lock);
@@ -189,7 +190,7 @@ static int qib_qsfp_write(struct qib_pportdata *ppd, int addr, void *bp,
* Module could take up to 2 Msec to respond to MOD_SEL,
* and there is no way to tell if it is ready, so we must wait.
*/
- msleep(2);
+ msleep(20);
/* Make sure TWSI bus is in sane state. */
ret = qib_twsi_reset(dd);
@@ -206,6 +207,7 @@ static int qib_qsfp_write(struct qib_pportdata *ppd, int addr, void *bp,
while (cnt < len) {
unsigned in_page;
int wlen = len - cnt;
+
in_page = addr % QSFP_PAGESIZE;
if ((in_page + wlen) > QSFP_PAGESIZE)
wlen = QSFP_PAGESIZE - in_page;
@@ -234,7 +236,7 @@ deselect:
* going away, and there is no way to tell if it is ready.
* so we must wait.
*/
- msleep(2);
+ msleep(20);
bail:
mutex_unlock(&dd->eep_lock);
@@ -296,6 +298,7 @@ int qib_refresh_qsfp_cache(struct qib_pportdata *ppd, struct qib_qsfp_cache *cp)
* set the page to zero, Even if it already appears to be zero.
*/
u8 poke = 0;
+
ret = qib_qsfp_write(ppd, 127, &poke, 1);
udelay(50);
if (ret != 1) {
@@ -480,7 +483,6 @@ void qib_qsfp_init(struct qib_qsfp_data *qd,
udelay(20); /* Generous RST dwell */
dd->f_gpio_mod(dd, mask, mask, mask);
- return;
}
void qib_qsfp_deinit(struct qib_qsfp_data *qd)
@@ -540,6 +542,7 @@ int qib_qsfp_dump(struct qib_pportdata *ppd, char *buf, int len)
while (bidx < QSFP_DEFAULT_HDR_CNT) {
int iidx;
+
ret = qsfp_read(ppd, bidx, bin_buff, QSFP_DUMP_CHUNK);
if (ret < 0)
goto bail;
diff --git a/drivers/infiniband/hw/qib/qib_rc.c b/drivers/infiniband/hw/qib/qib_rc.c
index 2f2501890c4e..4544d6f88ad7 100644
--- a/drivers/infiniband/hw/qib/qib_rc.c
+++ b/drivers/infiniband/hw/qib/qib_rc.c
@@ -1017,7 +1017,7 @@ void qib_rc_send_complete(struct qib_qp *qp, struct qib_ib_header *hdr)
/* Post a send completion queue entry if requested. */
if (!(qp->s_flags & QIB_S_SIGNAL_REQ_WR) ||
(wqe->wr.send_flags & IB_SEND_SIGNALED)) {
- memset(&wc, 0, sizeof wc);
+ memset(&wc, 0, sizeof(wc));
wc.wr_id = wqe->wr.wr_id;
wc.status = IB_WC_SUCCESS;
wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
@@ -1073,7 +1073,7 @@ static struct qib_swqe *do_rc_completion(struct qib_qp *qp,
/* Post a send completion queue entry if requested. */
if (!(qp->s_flags & QIB_S_SIGNAL_REQ_WR) ||
(wqe->wr.send_flags & IB_SEND_SIGNALED)) {
- memset(&wc, 0, sizeof wc);
+ memset(&wc, 0, sizeof(wc));
wc.wr_id = wqe->wr.wr_id;
wc.status = IB_WC_SUCCESS;
wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
diff --git a/drivers/infiniband/hw/qib/qib_ruc.c b/drivers/infiniband/hw/qib/qib_ruc.c
index 4c07a8b34ffe..f42bd0f47577 100644
--- a/drivers/infiniband/hw/qib/qib_ruc.c
+++ b/drivers/infiniband/hw/qib/qib_ruc.c
@@ -247,8 +247,8 @@ static __be64 get_sguid(struct qib_ibport *ibp, unsigned index)
struct qib_pportdata *ppd = ppd_from_ibp(ibp);
return ppd->guid;
- } else
- return ibp->guids[index - 1];
+ }
+ return ibp->guids[index - 1];
}
static int gid_ok(union ib_gid *gid, __be64 gid_prefix, __be64 id)
@@ -420,7 +420,7 @@ again:
goto serr;
}
- memset(&wc, 0, sizeof wc);
+ memset(&wc, 0, sizeof(wc));
send_status = IB_WC_SUCCESS;
release = 1;
@@ -792,7 +792,7 @@ void qib_send_complete(struct qib_qp *qp, struct qib_swqe *wqe,
status != IB_WC_SUCCESS) {
struct ib_wc wc;
- memset(&wc, 0, sizeof wc);
+ memset(&wc, 0, sizeof(wc));
wc.wr_id = wqe->wr.wr_id;
wc.status = status;
wc.opcode = ib_qib_wc_opcode[wqe->wr.opcode];
diff --git a/drivers/infiniband/hw/qib/qib_sd7220.c b/drivers/infiniband/hw/qib/qib_sd7220.c
index 911205d3d5a0..c72775f27212 100644
--- a/drivers/infiniband/hw/qib/qib_sd7220.c
+++ b/drivers/infiniband/hw/qib/qib_sd7220.c
@@ -259,6 +259,7 @@ static int qib_ibsd_reset(struct qib_devdata *dd, int assert_rst)
* it again during startup.
*/
u64 val;
+
rst_val &= ~(1ULL);
qib_write_kreg(dd, kr_hwerrmask,
dd->cspec->hwerrmask &
@@ -590,6 +591,7 @@ static int epb_access(struct qib_devdata *dd, int sdnum, int claim)
* Both should be clear
*/
u64 newval = 0;
+
qib_write_kreg(dd, acc, newval);
/* First read after write is not trustworthy */
pollval = qib_read_kreg32(dd, acc);
@@ -601,6 +603,7 @@ static int epb_access(struct qib_devdata *dd, int sdnum, int claim)
/* Need to claim */
u64 pollval;
u64 newval = EPB_ACC_REQ | oct_sel;
+
qib_write_kreg(dd, acc, newval);
/* First read after write is not trustworthy */
pollval = qib_read_kreg32(dd, acc);
@@ -812,6 +815,7 @@ static int qib_sd7220_ram_xfer(struct qib_devdata *dd, int sdnum, u32 loc,
if (!sofar) {
/* Only set address at start of chunk */
int addrbyte = (addr + sofar) >> 8;
+
transval = csbit | EPB_MADDRH | addrbyte;
tries = epb_trans(dd, trans, transval,
&transval);
@@ -922,7 +926,7 @@ qib_sd7220_ib_vfy(struct qib_devdata *dd, const struct firmware *fw)
* IRQ not set up at this point in init, so we poll.
*/
#define IB_SERDES_TRIM_DONE (1ULL << 11)
-#define TRIM_TMO (30)
+#define TRIM_TMO (15)
static int qib_sd_trimdone_poll(struct qib_devdata *dd)
{
@@ -940,7 +944,7 @@ static int qib_sd_trimdone_poll(struct qib_devdata *dd)
ret = 1;
break;
}
- msleep(10);
+ msleep(20);
}
if (trim_tmo >= TRIM_TMO) {
qib_dev_err(dd, "No TRIMDONE in %d tries\n", trim_tmo);
@@ -1071,6 +1075,7 @@ static int qib_sd_setvals(struct qib_devdata *dd)
dds_reg_map >>= 4;
for (midx = 0; midx < DDS_ROWS; ++midx) {
u64 __iomem *daddr = taddr + ((midx << 4) + idx);
+
data = dds_init_vals[midx].reg_vals[idx];
writeq(data, daddr);
mmiowb();
diff --git a/drivers/infiniband/hw/qib/qib_sysfs.c b/drivers/infiniband/hw/qib/qib_sysfs.c
index 3c8e4e3caca6..81f56cdff2bc 100644
--- a/drivers/infiniband/hw/qib/qib_sysfs.c
+++ b/drivers/infiniband/hw/qib/qib_sysfs.c
@@ -586,8 +586,8 @@ static ssize_t show_serial(struct device *device,
container_of(device, struct qib_ibdev, ibdev.dev);
struct qib_devdata *dd = dd_from_dev(dev);
- buf[sizeof dd->serial] = '\0';
- memcpy(buf, dd->serial, sizeof dd->serial);
+ buf[sizeof(dd->serial)] = '\0';
+ memcpy(buf, dd->serial, sizeof(dd->serial));
strcat(buf, "\n");
return strlen(buf);
}
@@ -611,28 +611,6 @@ bail:
return ret < 0 ? ret : count;
}
-static ssize_t show_logged_errs(struct device *device,
- struct device_attribute *attr, char *buf)
-{
- struct qib_ibdev *dev =
- container_of(device, struct qib_ibdev, ibdev.dev);
- struct qib_devdata *dd = dd_from_dev(dev);
- int idx, count;
-
- /* force consistency with actual EEPROM */
- if (qib_update_eeprom_log(dd) != 0)
- return -ENXIO;
-
- count = 0;
- for (idx = 0; idx < QIB_EEP_LOG_CNT; ++idx) {
- count += scnprintf(buf + count, PAGE_SIZE - count, "%d%c",
- dd->eep_st_errs[idx],
- idx == (QIB_EEP_LOG_CNT - 1) ? '\n' : ' ');
- }
-
- return count;
-}
-
/*
* Dump tempsense regs. in decimal, to ease shell-scripts.
*/
@@ -679,7 +657,6 @@ static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL);
static DEVICE_ATTR(nfreectxts, S_IRUGO, show_nfreectxts, NULL);
static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL);
static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL);
-static DEVICE_ATTR(logged_errors, S_IRUGO, show_logged_errs, NULL);
static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL);
static DEVICE_ATTR(localbus_info, S_IRUGO, show_localbus_info, NULL);
static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset);
@@ -693,7 +670,6 @@ static struct device_attribute *qib_attributes[] = {
&dev_attr_nfreectxts,
&dev_attr_serial,
&dev_attr_boardversion,
- &dev_attr_logged_errors,
&dev_attr_tempsense,
&dev_attr_localbus_info,
&dev_attr_chip_reset,
diff --git a/drivers/infiniband/hw/qib/qib_twsi.c b/drivers/infiniband/hw/qib/qib_twsi.c
index 647f7beb1b0a..f5698664419b 100644
--- a/drivers/infiniband/hw/qib/qib_twsi.c
+++ b/drivers/infiniband/hw/qib/qib_twsi.c
@@ -105,6 +105,7 @@ static void scl_out(struct qib_devdata *dd, u8 bit)
udelay(2);
else {
int rise_usec;
+
for (rise_usec = SCL_WAIT_USEC; rise_usec > 0; rise_usec -= 2) {
if (mask & dd->f_gpio_mod(dd, 0, 0, 0))
break;
@@ -326,6 +327,7 @@ int qib_twsi_reset(struct qib_devdata *dd)
static int qib_twsi_wr(struct qib_devdata *dd, int data, int flags)
{
int ret = 1;
+
if (flags & QIB_TWSI_START)
start_seq(dd);
@@ -435,8 +437,7 @@ int qib_twsi_blk_wr(struct qib_devdata *dd, int dev, int addr,
int sub_len;
const u8 *bp = buffer;
int max_wait_time, i;
- int ret;
- ret = 1;
+ int ret = 1;
while (len > 0) {
if (dev == QIB_TWSI_NO_DEV) {
diff --git a/drivers/infiniband/hw/qib/qib_tx.c b/drivers/infiniband/hw/qib/qib_tx.c
index 31d3561400a4..eface3b3dacf 100644
--- a/drivers/infiniband/hw/qib/qib_tx.c
+++ b/drivers/infiniband/hw/qib/qib_tx.c
@@ -180,6 +180,7 @@ void qib_disarm_piobufs_set(struct qib_devdata *dd, unsigned long *mask,
for (i = 0; i < cnt; i++) {
int which;
+
if (!test_bit(i, mask))
continue;
/*
diff --git a/drivers/infiniband/hw/qib/qib_ud.c b/drivers/infiniband/hw/qib/qib_ud.c
index aaf7039f8ed2..26243b722b5e 100644
--- a/drivers/infiniband/hw/qib/qib_ud.c
+++ b/drivers/infiniband/hw/qib/qib_ud.c
@@ -127,7 +127,7 @@ static void qib_ud_loopback(struct qib_qp *sqp, struct qib_swqe *swqe)
* present on the wire.
*/
length = swqe->length;
- memset(&wc, 0, sizeof wc);
+ memset(&wc, 0, sizeof(wc));
wc.byte_len = length + sizeof(struct ib_grh);
if (swqe->wr.opcode == IB_WR_SEND_WITH_IMM) {
diff --git a/drivers/infiniband/hw/qib/qib_user_sdma.c b/drivers/infiniband/hw/qib/qib_user_sdma.c
index d2806cae234c..3e0677c51276 100644
--- a/drivers/infiniband/hw/qib/qib_user_sdma.c
+++ b/drivers/infiniband/hw/qib/qib_user_sdma.c
@@ -50,7 +50,7 @@
/* expected size of headers (for dma_pool) */
#define QIB_USER_SDMA_EXP_HEADER_LENGTH 64
/* attempt to drain the queue for 5secs */
-#define QIB_USER_SDMA_DRAIN_TIMEOUT 500
+#define QIB_USER_SDMA_DRAIN_TIMEOUT 250
/*
* track how many times a process open this driver.
@@ -226,6 +226,7 @@ qib_user_sdma_queue_create(struct device *dev, int unit, int ctxt, int sctxt)
sdma_rb_node->refcount++;
} else {
int ret;
+
sdma_rb_node = kmalloc(sizeof(
struct qib_user_sdma_rb_node), GFP_KERNEL);
if (!sdma_rb_node)
@@ -936,6 +937,7 @@ static int qib_user_sdma_queue_pkts(const struct qib_devdata *dd,
if (tiddma) {
char *tidsm = (char *)pkt + pktsize;
+
cfur = copy_from_user(tidsm,
iov[idx].iov_base, tidsmsize);
if (cfur) {
@@ -1142,7 +1144,7 @@ void qib_user_sdma_queue_drain(struct qib_pportdata *ppd,
qib_user_sdma_hwqueue_clean(ppd);
qib_user_sdma_queue_clean(ppd, pq);
mutex_unlock(&pq->lock);
- msleep(10);
+ msleep(20);
}
if (pq->num_pending || pq->num_sending) {
@@ -1316,8 +1318,6 @@ retry:
if (nfree && !list_empty(pktlist))
goto retry;
-
- return;
}
/* pq->lock must be held, get packets on the wire... */
diff --git a/drivers/infiniband/hw/qib/qib_verbs.c b/drivers/infiniband/hw/qib/qib_verbs.c
index 9bcfbd842980..4a3599890ea5 100644
--- a/drivers/infiniband/hw/qib/qib_verbs.c
+++ b/drivers/infiniband/hw/qib/qib_verbs.c
@@ -1342,6 +1342,7 @@ static int qib_verbs_send_pio(struct qib_qp *qp, struct qib_ib_header *ibhdr,
done:
if (dd->flags & QIB_USE_SPCL_TRIG) {
u32 spcl_off = (pbufn >= dd->piobcnt2k) ? 2047 : 1023;
+
qib_flush_wc();
__raw_writel(0xaebecede, piobuf_orig + spcl_off);
}
@@ -1744,7 +1745,7 @@ static struct ib_pd *qib_alloc_pd(struct ib_device *ibdev,
* we allow allocations of more than we report for this value.
*/
- pd = kmalloc(sizeof *pd, GFP_KERNEL);
+ pd = kmalloc(sizeof(*pd), GFP_KERNEL);
if (!pd) {
ret = ERR_PTR(-ENOMEM);
goto bail;
@@ -1829,7 +1830,7 @@ static struct ib_ah *qib_create_ah(struct ib_pd *pd,
goto bail;
}
- ah = kmalloc(sizeof *ah, GFP_ATOMIC);
+ ah = kmalloc(sizeof(*ah), GFP_ATOMIC);
if (!ah) {
ret = ERR_PTR(-ENOMEM);
goto bail;
@@ -1862,7 +1863,7 @@ struct ib_ah *qib_create_qp0_ah(struct qib_ibport *ibp, u16 dlid)
struct ib_ah *ah = ERR_PTR(-EINVAL);
struct qib_qp *qp0;
- memset(&attr, 0, sizeof attr);
+ memset(&attr, 0, sizeof(attr));
attr.dlid = dlid;
attr.port_num = ppd_from_ibp(ibp)->port;
rcu_read_lock();
@@ -1977,7 +1978,7 @@ static struct ib_ucontext *qib_alloc_ucontext(struct ib_device *ibdev,
struct qib_ucontext *context;
struct ib_ucontext *ret;
- context = kmalloc(sizeof *context, GFP_KERNEL);
+ context = kmalloc(sizeof(*context), GFP_KERNEL);
if (!context) {
ret = ERR_PTR(-ENOMEM);
goto bail;
@@ -2054,7 +2055,9 @@ int qib_register_ib_device(struct qib_devdata *dd)
dev->qp_table_size = ib_qib_qp_table_size;
get_random_bytes(&dev->qp_rnd, sizeof(dev->qp_rnd));
- dev->qp_table = kmalloc(dev->qp_table_size * sizeof *dev->qp_table,
+ dev->qp_table = kmalloc_array(
+ dev->qp_table_size,
+ sizeof(*dev->qp_table),
GFP_KERNEL);
if (!dev->qp_table) {
ret = -ENOMEM;
@@ -2122,7 +2125,7 @@ int qib_register_ib_device(struct qib_devdata *dd)
for (i = 0; i < ppd->sdma_descq_cnt; i++) {
struct qib_verbs_txreq *tx;
- tx = kzalloc(sizeof *tx, GFP_KERNEL);
+ tx = kzalloc(sizeof(*tx), GFP_KERNEL);
if (!tx) {
ret = -ENOMEM;
goto err_tx;
diff --git a/drivers/infiniband/hw/qib/qib_verbs_mcast.c b/drivers/infiniband/hw/qib/qib_verbs_mcast.c
index dabb697b1c2a..f8ea069a3eaf 100644
--- a/drivers/infiniband/hw/qib/qib_verbs_mcast.c
+++ b/drivers/infiniband/hw/qib/qib_verbs_mcast.c
@@ -43,7 +43,7 @@ static struct qib_mcast_qp *qib_mcast_qp_alloc(struct qib_qp *qp)
{
struct qib_mcast_qp *mqp;
- mqp = kmalloc(sizeof *mqp, GFP_KERNEL);
+ mqp = kmalloc(sizeof(*mqp), GFP_KERNEL);
if (!mqp)
goto bail;
@@ -75,7 +75,7 @@ static struct qib_mcast *qib_mcast_alloc(union ib_gid *mgid)
{
struct qib_mcast *mcast;
- mcast = kmalloc(sizeof *mcast, GFP_KERNEL);
+ mcast = kmalloc(sizeof(*mcast), GFP_KERNEL);
if (!mcast)
goto bail;
diff --git a/drivers/infiniband/hw/qib/qib_wc_x86_64.c b/drivers/infiniband/hw/qib/qib_wc_x86_64.c
index 1d7281c5a02e..81b225f2300a 100644
--- a/drivers/infiniband/hw/qib/qib_wc_x86_64.c
+++ b/drivers/infiniband/hw/qib/qib_wc_x86_64.c
@@ -72,6 +72,7 @@ int qib_enable_wc(struct qib_devdata *dd)
if (dd->piobcnt2k && dd->piobcnt4k) {
/* 2 sizes for chip */
unsigned long pio2kbase, pio4kbase;
+
pio2kbase = dd->piobufbase & 0xffffffffUL;
pio4kbase = (dd->piobufbase >> 32) & 0xffffffffUL;
if (pio2kbase < pio4kbase) {
@@ -91,7 +92,7 @@ int qib_enable_wc(struct qib_devdata *dd)
}
for (bits = 0; !(piolen & (1ULL << bits)); bits++)
- /* do nothing */ ;
+ ; /* do nothing */
if (piolen != (1ULL << bits)) {
piolen >>= bits;
@@ -100,8 +101,8 @@ int qib_enable_wc(struct qib_devdata *dd)
piolen = 1ULL << (bits + 1);
}
if (pioaddr & (piolen - 1)) {
- u64 atmp;
- atmp = pioaddr & ~(piolen - 1);
+ u64 atmp = pioaddr & ~(piolen - 1);
+
if (atmp < addr || (atmp + piolen) > (addr + len)) {
qib_dev_err(dd,
"No way to align address/size (%llx/%llx), no WC mtrr\n",