aboutsummaryrefslogtreecommitdiffstats
path: root/arch/xtensa
diff options
context:
space:
mode:
Diffstat (limited to 'arch/xtensa')
-rw-r--r--arch/xtensa/Kconfig4
-rw-r--r--arch/xtensa/boot/lib/Makefile2
-rw-r--r--arch/xtensa/include/asm/dma.h7
-rw-r--r--arch/xtensa/include/asm/pci.h3
-rw-r--r--arch/xtensa/kernel/entry.S10
-rw-r--r--arch/xtensa/kernel/irq.c7
-rw-r--r--arch/xtensa/kernel/time.c1
-rw-r--r--arch/xtensa/platforms/iss/network.c63
-rw-r--r--arch/xtensa/platforms/iss/simdisk.c4
-rw-r--r--arch/xtensa/platforms/xtfpga/setup.c1
10 files changed, 46 insertions, 56 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 92a24ed738a5..12ac277282ba 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -6,6 +6,8 @@ config XTENSA
select ARCH_HAS_CURRENT_STACK_POINTER
select ARCH_HAS_DEBUG_VM_PGTABLE
select ARCH_HAS_DMA_PREP_COHERENT if MMU
+ select ARCH_HAS_GCOV_PROFILE_ALL
+ select ARCH_HAS_KCOV
select ARCH_HAS_SYNC_DMA_FOR_CPU if MMU
select ARCH_HAS_SYNC_DMA_FOR_DEVICE if MMU
select ARCH_HAS_DMA_SET_UNCACHED if MMU
@@ -33,7 +35,7 @@ config XTENSA
select HAVE_ARCH_KCSAN
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
- select HAVE_CONTEXT_TRACKING
+ select HAVE_CONTEXT_TRACKING_USER
select HAVE_DEBUG_KMEMLEAK
select HAVE_DMA_CONTIGUOUS
select HAVE_EXIT_THREAD
diff --git a/arch/xtensa/boot/lib/Makefile b/arch/xtensa/boot/lib/Makefile
index 162d10af36f3..0378a22a08e3 100644
--- a/arch/xtensa/boot/lib/Makefile
+++ b/arch/xtensa/boot/lib/Makefile
@@ -17,6 +17,8 @@ endif
KASAN_SANITIZE := n
KCSAN_SANITIZE := n
+KCOV_INSTRUMENT := n
+GCOV_PROFILE := n
CFLAGS_REMOVE_inflate.o += -fstack-protector -fstack-protector-strong
CFLAGS_REMOVE_zmem.o += -fstack-protector -fstack-protector-strong
diff --git a/arch/xtensa/include/asm/dma.h b/arch/xtensa/include/asm/dma.h
index bb099a373b5a..172644539032 100644
--- a/arch/xtensa/include/asm/dma.h
+++ b/arch/xtensa/include/asm/dma.h
@@ -52,11 +52,4 @@
extern int request_dma(unsigned int dmanr, const char * device_id);
extern void free_dma(unsigned int dmanr);
-#ifdef CONFIG_PCI
-extern int isa_dma_bridge_buggy;
-#else
-#define isa_dma_bridge_buggy (0)
-#endif
-
-
#endif
diff --git a/arch/xtensa/include/asm/pci.h b/arch/xtensa/include/asm/pci.h
index 8e2b48a268db..b56de9635b6c 100644
--- a/arch/xtensa/include/asm/pci.h
+++ b/arch/xtensa/include/asm/pci.h
@@ -43,7 +43,4 @@
#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
#define arch_can_pci_mmap_io() 1
-/* Generic PCI */
-#include <asm-generic/pci.h>
-
#endif /* _XTENSA_PCI_H */
diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S
index e3eae648ba2e..272fff587907 100644
--- a/arch/xtensa/kernel/entry.S
+++ b/arch/xtensa/kernel/entry.S
@@ -455,10 +455,10 @@ KABI_W or a3, a3, a2
abi_call trace_hardirqs_off
1:
#endif
-#ifdef CONFIG_CONTEXT_TRACKING
+#ifdef CONFIG_CONTEXT_TRACKING_USER
l32i abi_tmp0, a1, PT_PS
bbci.l abi_tmp0, PS_UM_BIT, 1f
- abi_call context_tracking_user_exit
+ abi_call user_exit_callable
1:
#endif
@@ -544,8 +544,8 @@ common_exception_return:
j .Lrestore_state
.Lexit_tif_loop_user:
-#ifdef CONFIG_CONTEXT_TRACKING
- abi_call context_tracking_user_enter
+#ifdef CONFIG_CONTEXT_TRACKING_USER
+ abi_call user_enter_callable
#endif
#ifdef CONFIG_HAVE_HW_BREAKPOINT
_bbci.l abi_saved0, TIF_DB_DISABLED, 1f
@@ -2173,7 +2173,7 @@ ENDPROC(ret_from_kernel_thread)
#ifdef CONFIG_HIBERNATION
- .bss
+ .section .bss, "aw"
.align 4
.Lsaved_regs:
#if defined(__XTENSA_WINDOWED_ABI__)
diff --git a/arch/xtensa/kernel/irq.c b/arch/xtensa/kernel/irq.c
index 529fe9245821..42f106004400 100644
--- a/arch/xtensa/kernel/irq.c
+++ b/arch/xtensa/kernel/irq.c
@@ -169,7 +169,7 @@ void migrate_irqs(void)
for_each_active_irq(i) {
struct irq_data *data = irq_get_irq_data(i);
- struct cpumask *mask;
+ const struct cpumask *mask;
unsigned int newcpu;
if (irqd_is_per_cpu(data))
@@ -185,9 +185,10 @@ void migrate_irqs(void)
pr_info_ratelimited("IRQ%u no longer affine to CPU%u\n",
i, cpu);
- cpumask_setall(mask);
+ irq_set_affinity(i, cpu_all_mask);
+ } else {
+ irq_set_affinity(i, mask);
}
- irq_set_affinity(i, mask);
}
}
#endif /* CONFIG_HOTPLUG_CPU */
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index e8ceb1528608..16b8a6273772 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -154,6 +154,7 @@ static void __init calibrate_ccount(void)
cpu = of_find_compatible_node(NULL, NULL, "cdns,xtensa-cpu");
if (cpu) {
clk = of_clk_get(cpu, 0);
+ of_node_put(cpu);
if (!IS_ERR(clk)) {
ccount_freq = clk_get_rate(clk);
return;
diff --git a/arch/xtensa/platforms/iss/network.c b/arch/xtensa/platforms/iss/network.c
index fd84d4891758..9ac46ab3a296 100644
--- a/arch/xtensa/platforms/iss/network.c
+++ b/arch/xtensa/platforms/iss/network.c
@@ -37,10 +37,6 @@
#define ETH_HEADER_OTHER 14
#define ISS_NET_TIMER_VALUE (HZ / 10)
-
-static DEFINE_SPINLOCK(devices_lock);
-static LIST_HEAD(devices);
-
/* ------------------------------------------------------------------------- */
/* We currently only support the TUNTAP transport protocol. */
@@ -70,8 +66,6 @@ struct iss_net_ops {
/* This structure contains out private information for the driver. */
struct iss_net_private {
- struct list_head device_list;
-
spinlock_t lock;
struct net_device *dev;
struct platform_device pdev;
@@ -472,23 +466,30 @@ static const struct net_device_ops iss_netdev_ops = {
.ndo_set_rx_mode = iss_net_set_multicast_list,
};
-static int iss_net_configure(int index, char *init)
+static void iss_net_pdev_release(struct device *dev)
+{
+ struct platform_device *pdev = to_platform_device(dev);
+ struct iss_net_private *lp =
+ container_of(pdev, struct iss_net_private, pdev);
+
+ free_netdev(lp->dev);
+}
+
+static void iss_net_configure(int index, char *init)
{
struct net_device *dev;
struct iss_net_private *lp;
- int err;
dev = alloc_etherdev(sizeof(*lp));
if (dev == NULL) {
pr_err("eth_configure: failed to allocate device\n");
- return 1;
+ return;
}
/* Initialize private element. */
lp = netdev_priv(dev);
*lp = (struct iss_net_private) {
- .device_list = LIST_HEAD_INIT(lp->device_list),
.dev = dev,
.index = index,
};
@@ -509,7 +510,7 @@ static int iss_net_configure(int index, char *init)
if (!tuntap_probe(lp, index, init)) {
pr_err("%s: invalid arguments. Skipping device!\n",
dev->name);
- goto errout;
+ goto err_free_netdev;
}
pr_info("Netdevice %d (%pM)\n", index, dev->dev_addr);
@@ -517,17 +518,16 @@ static int iss_net_configure(int index, char *init)
/* sysfs register */
if (!driver_registered) {
- platform_driver_register(&iss_net_driver);
+ if (platform_driver_register(&iss_net_driver))
+ goto err_free_netdev;
driver_registered = 1;
}
- spin_lock(&devices_lock);
- list_add(&lp->device_list, &devices);
- spin_unlock(&devices_lock);
-
lp->pdev.id = index;
lp->pdev.name = DRIVER_NAME;
- platform_device_register(&lp->pdev);
+ lp->pdev.dev.release = iss_net_pdev_release;
+ if (platform_device_register(&lp->pdev))
+ goto err_free_netdev;
SET_NETDEV_DEV(dev, &lp->pdev.dev);
dev->netdev_ops = &iss_netdev_ops;
@@ -536,23 +536,20 @@ static int iss_net_configure(int index, char *init)
dev->irq = -1;
rtnl_lock();
- err = register_netdevice(dev);
- rtnl_unlock();
-
- if (err) {
+ if (register_netdevice(dev)) {
+ rtnl_unlock();
pr_err("%s: error registering net device!\n", dev->name);
- /* XXX: should we call ->remove() here? */
- free_netdev(dev);
- return 1;
+ platform_device_unregister(&lp->pdev);
+ return;
}
+ rtnl_unlock();
timer_setup(&lp->tl, iss_net_user_timer_expire, 0);
- return 0;
+ return;
-errout:
- /* FIXME: unregister; free, etc.. */
- return -EIO;
+err_free_netdev:
+ free_netdev(dev);
}
/* ------------------------------------------------------------------------- */
@@ -574,7 +571,7 @@ struct iss_net_init {
static int __init iss_net_setup(char *str)
{
- struct iss_net_private *device = NULL;
+ struct iss_net_init *device = NULL;
struct iss_net_init *new;
struct list_head *ele;
char *end;
@@ -595,16 +592,12 @@ static int __init iss_net_setup(char *str)
}
str = end;
- spin_lock(&devices_lock);
-
- list_for_each(ele, &devices) {
- device = list_entry(ele, struct iss_net_private, device_list);
+ list_for_each(ele, &eth_cmd_line) {
+ device = list_entry(ele, struct iss_net_init, list);
if (device->index == n)
break;
}
- spin_unlock(&devices_lock);
-
if (device && device->index == n) {
pr_err("Device %u already configured\n", n);
return 1;
diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c
index 4255b92fa3eb..f50caaa1c249 100644
--- a/arch/xtensa/platforms/iss/simdisk.c
+++ b/arch/xtensa/platforms/iss/simdisk.c
@@ -290,7 +290,7 @@ static int __init simdisk_setup(struct simdisk *dev, int which,
return 0;
out_cleanup_disk:
- blk_cleanup_disk(dev->gd);
+ put_disk(dev->gd);
out:
return err;
}
@@ -344,7 +344,7 @@ static void simdisk_teardown(struct simdisk *dev, int which,
simdisk_detach(dev);
if (dev->gd) {
del_gendisk(dev->gd);
- blk_cleanup_disk(dev->gd);
+ put_disk(dev->gd);
}
remove_proc_entry(tmp, procdir);
}
diff --git a/arch/xtensa/platforms/xtfpga/setup.c b/arch/xtensa/platforms/xtfpga/setup.c
index 538e6748e85a..c79c1d09ea86 100644
--- a/arch/xtensa/platforms/xtfpga/setup.c
+++ b/arch/xtensa/platforms/xtfpga/setup.c
@@ -133,6 +133,7 @@ static int __init machine_setup(void)
if ((eth = of_find_compatible_node(eth, NULL, "opencores,ethoc")))
update_local_mac(eth);
+ of_node_put(eth);
return 0;
}
arch_initcall(machine_setup);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.