diff options
Diffstat (limited to 'drivers/misc')
25 files changed, 118 insertions, 71 deletions
diff --git a/drivers/misc/cardreader/alcor_pci.c b/drivers/misc/cardreader/alcor_pci.c index 259fe1dfec03..cd402c89189e 100644 --- a/drivers/misc/cardreader/alcor_pci.c +++ b/drivers/misc/cardreader/alcor_pci.c @@ -38,12 +38,18 @@ static const struct alcor_dev_cfg au6621_cfg = { .dma = 1, }; +static const struct alcor_dev_cfg au6625_cfg = { + .dma = 0, +}; + static const struct pci_device_id pci_ids[] = { { PCI_DEVICE(PCI_ID_ALCOR_MICRO, PCI_ID_AU6601), .driver_data = (kernel_ulong_t)&alcor_cfg }, { PCI_DEVICE(PCI_ID_ALCOR_MICRO, PCI_ID_AU6621), .driver_data = (kernel_ulong_t)&au6621_cfg }, - { }, + { PCI_DEVICE(PCI_ID_ALCOR_MICRO, PCI_ID_AU6625), + .driver_data = (kernel_ulong_t)&au6625_cfg }, + {}, }; MODULE_DEVICE_TABLE(pci, pci_ids); diff --git a/drivers/misc/cardreader/rts5261.c b/drivers/misc/cardreader/rts5261.c index 32dcec2e9dfd..bc4967a6efa1 100644 --- a/drivers/misc/cardreader/rts5261.c +++ b/drivers/misc/cardreader/rts5261.c @@ -628,7 +628,8 @@ int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, u8 ssc_depth, bool initial_mode, bool double_clk, bool vpclk) { int err, clk; - u8 n, clk_divider, mcu_cnt, div; + u16 n; + u8 clk_divider, mcu_cnt, div; static const u8 depth[] = { [RTSX_SSC_DEPTH_4M] = RTS5261_SSC_DEPTH_4M, [RTSX_SSC_DEPTH_2M] = RTS5261_SSC_DEPTH_2M, @@ -661,13 +662,13 @@ int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, return 0; if (pcr->ops->conv_clk_and_div_n) - n = (u8)pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N); + n = pcr->ops->conv_clk_and_div_n(clk, CLK_TO_DIV_N); else - n = (u8)(clk - 4); + n = clk - 4; if ((clk <= 4) || (n > 396)) return -EINVAL; - mcu_cnt = (u8)(125/clk + 3); + mcu_cnt = 125/clk + 3; if (mcu_cnt > 15) mcu_cnt = 15; @@ -676,7 +677,7 @@ int rts5261_pci_switch_clock(struct rtsx_pcr *pcr, unsigned int card_clock, if (pcr->ops->conv_clk_and_div_n) { int dbl_clk = pcr->ops->conv_clk_and_div_n(n, DIV_N_TO_CLK) * 2; - n = (u8)pcr->ops->conv_clk_and_div_n(dbl_clk, + n = pcr->ops->conv_clk_and_div_n(dbl_clk, CLK_TO_DIV_N); } else { n = (n + 4) * 2 - 4; diff --git a/drivers/misc/cardreader/rtsx_pcr.c b/drivers/misc/cardreader/rtsx_pcr.c index fd7b2167103d..06038b325b02 100644 --- a/drivers/misc/cardreader/rtsx_pcr.c +++ b/drivers/misc/cardreader/rtsx_pcr.c @@ -1512,7 +1512,7 @@ static int rtsx_pci_probe(struct pci_dev *pcidev, bar = 1; len = pci_resource_len(pcidev, bar); base = pci_resource_start(pcidev, bar); - pcr->remap_addr = ioremap_nocache(base, len); + pcr->remap_addr = ioremap(base, len); if (!pcr->remap_addr) { ret = -ENOMEM; goto free_handle; diff --git a/drivers/misc/cxl/context.c b/drivers/misc/cxl/context.c index aed9c445d1e2..fb2eff69e449 100644 --- a/drivers/misc/cxl/context.c +++ b/drivers/misc/cxl/context.c @@ -352,7 +352,7 @@ void cxl_context_free(struct cxl_context *ctx) void cxl_context_mm_count_get(struct cxl_context *ctx) { if (ctx->mm) - atomic_inc(&ctx->mm->mm_count); + mmgrab(ctx->mm); } void cxl_context_mm_count_put(struct cxl_context *ctx) diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c index 6d27ccfe0680..3c2d405bc79b 100644 --- a/drivers/misc/enclosure.c +++ b/drivers/misc/enclosure.c @@ -406,10 +406,9 @@ int enclosure_remove_device(struct enclosure_device *edev, struct device *dev) cdev = &edev->component[i]; if (cdev->dev == dev) { enclosure_remove_links(cdev); - device_del(&cdev->cdev); put_device(dev); cdev->dev = NULL; - return device_add(&cdev->cdev); + return 0; } } return -ENODEV; diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index ae4ee27a63c4..e3e085e33d46 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -581,13 +581,6 @@ static void fastrpc_dma_buf_detatch(struct dma_buf *dmabuf, kfree(a); } -static void *fastrpc_kmap(struct dma_buf *dmabuf, unsigned long pgnum) -{ - struct fastrpc_buf *buf = dmabuf->priv; - - return buf->virt ? buf->virt + pgnum * PAGE_SIZE : NULL; -} - static void *fastrpc_vmap(struct dma_buf *dmabuf) { struct fastrpc_buf *buf = dmabuf->priv; @@ -611,7 +604,6 @@ static const struct dma_buf_ops fastrpc_dma_buf_ops = { .map_dma_buf = fastrpc_map_dma_buf, .unmap_dma_buf = fastrpc_unmap_dma_buf, .mmap = fastrpc_mmap, - .map = fastrpc_kmap, .vmap = fastrpc_vmap, .release = fastrpc_release, }; diff --git a/drivers/misc/genwqe/card_ddcb.c b/drivers/misc/genwqe/card_ddcb.c index 026c6ca24540..905106579935 100644 --- a/drivers/misc/genwqe/card_ddcb.c +++ b/drivers/misc/genwqe/card_ddcb.c @@ -1084,7 +1084,7 @@ static int setup_ddcb_queue(struct genwqe_dev *cd, struct ddcb_queue *queue) queue->ddcb_daddr); queue->ddcb_vaddr = NULL; queue->ddcb_daddr = 0ull; - return -ENODEV; + return rc; } @@ -1179,7 +1179,7 @@ static irqreturn_t genwqe_vf_isr(int irq, void *dev_id) */ static int genwqe_card_thread(void *data) { - int should_stop = 0, rc = 0; + int should_stop = 0; struct genwqe_dev *cd = (struct genwqe_dev *)data; while (!kthread_should_stop()) { @@ -1187,12 +1187,12 @@ static int genwqe_card_thread(void *data) genwqe_check_ddcb_queue(cd, &cd->queue); if (GENWQE_POLLING_ENABLED) { - rc = wait_event_interruptible_timeout( + wait_event_interruptible_timeout( cd->queue_waitq, genwqe_ddcbs_in_flight(cd) || (should_stop = kthread_should_stop()), 1); } else { - rc = wait_event_interruptible_timeout( + wait_event_interruptible_timeout( cd->queue_waitq, genwqe_next_ddcb_ready(cd) || (should_stop = kthread_should_stop()), HZ); diff --git a/drivers/misc/isl29020.c b/drivers/misc/isl29020.c index b6125620eb8f..fc5ff2805b94 100644 --- a/drivers/misc/isl29020.c +++ b/drivers/misc/isl29020.c @@ -173,6 +173,7 @@ static int isl29020_probe(struct i2c_client *client, static int isl29020_remove(struct i2c_client *client) { + pm_runtime_disable(&client->dev); sysfs_remove_group(&client->dev.kobj, &m_als_gr); return 0; } diff --git a/drivers/misc/lkdtm/bugs.c b/drivers/misc/lkdtm/bugs.c index a4fdad04809a..de87693cf557 100644 --- a/drivers/misc/lkdtm/bugs.c +++ b/drivers/misc/lkdtm/bugs.c @@ -278,7 +278,7 @@ void lkdtm_STACK_GUARD_PAGE_TRAILING(void) void lkdtm_UNSET_SMEP(void) { -#ifdef CONFIG_X86_64 +#if IS_ENABLED(CONFIG_X86_64) && !IS_ENABLED(CONFIG_UML) #define MOV_CR4_DEPTH 64 void (*direct_write_cr4)(unsigned long val); unsigned char *insn; @@ -338,13 +338,13 @@ void lkdtm_UNSET_SMEP(void) native_write_cr4(cr4); } #else - pr_err("FAIL: this test is x86_64-only\n"); + pr_err("XFAIL: this test is x86_64-only\n"); #endif } -#ifdef CONFIG_X86_32 void lkdtm_DOUBLE_FAULT(void) { +#ifdef CONFIG_X86_32 /* * Trigger #DF by setting the stack limit to zero. This clobbers * a GDT TLS slot, which is okay because the current task will die @@ -373,6 +373,8 @@ void lkdtm_DOUBLE_FAULT(void) asm volatile ("movw %0, %%ss; addl $0, (%%esp)" :: "r" ((unsigned short)(GDT_ENTRY_TLS_MIN << 3))); - panic("tried to double fault but didn't die\n"); -} + pr_err("FAIL: tried to double fault but didn't die\n"); +#else + pr_err("XFAIL: this test is ia32-only\n"); #endif +} diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index a0a495c95e3c..8d468e0a950a 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -765,7 +765,7 @@ static ssize_t uuid_show(struct device *dev, struct device_attribute *a, struct mei_cl_device *cldev = to_mei_cl_device(dev); const uuid_le *uuid = mei_me_cl_uuid(cldev->me_cl); - return scnprintf(buf, PAGE_SIZE, "%pUl", uuid); + return sprintf(buf, "%pUl", uuid); } static DEVICE_ATTR_RO(uuid); @@ -775,7 +775,7 @@ static ssize_t version_show(struct device *dev, struct device_attribute *a, struct mei_cl_device *cldev = to_mei_cl_device(dev); u8 version = mei_me_cl_ver(cldev->me_cl); - return scnprintf(buf, PAGE_SIZE, "%02X", version); + return sprintf(buf, "%02X", version); } static DEVICE_ATTR_RO(version); @@ -797,7 +797,7 @@ static ssize_t max_conn_show(struct device *dev, struct device_attribute *a, struct mei_cl_device *cldev = to_mei_cl_device(dev); u8 maxconn = mei_me_cl_max_conn(cldev->me_cl); - return scnprintf(buf, PAGE_SIZE, "%d", maxconn); + return sprintf(buf, "%d", maxconn); } static DEVICE_ATTR_RO(max_conn); @@ -807,7 +807,7 @@ static ssize_t fixed_show(struct device *dev, struct device_attribute *a, struct mei_cl_device *cldev = to_mei_cl_device(dev); u8 fixed = mei_me_cl_fixed(cldev->me_cl); - return scnprintf(buf, PAGE_SIZE, "%d", fixed); + return sprintf(buf, "%d", fixed); } static DEVICE_ATTR_RO(fixed); @@ -817,7 +817,7 @@ static ssize_t max_len_show(struct device *dev, struct device_attribute *a, struct mei_cl_device *cldev = to_mei_cl_device(dev); u32 maxlen = mei_me_cl_max_len(cldev->me_cl); - return scnprintf(buf, PAGE_SIZE, "%u", maxlen); + return sprintf(buf, "%u", maxlen); } static DEVICE_ATTR_RO(max_len); diff --git a/drivers/misc/mei/hdcp/mei_hdcp.c b/drivers/misc/mei/hdcp/mei_hdcp.c index 93027fd96c71..4c596c646ac0 100644 --- a/drivers/misc/mei/hdcp/mei_hdcp.c +++ b/drivers/misc/mei/hdcp/mei_hdcp.c @@ -757,11 +757,38 @@ static const struct component_master_ops mei_component_master_ops = { .unbind = mei_component_master_unbind, }; +/** + * mei_hdcp_component_match - compare function for matching mei hdcp. + * + * The function checks if the driver is i915, the subcomponent is HDCP + * and the grand parent of hdcp and the parent of i915 are the same + * PCH device. + * + * @dev: master device + * @subcomponent: subcomponent to match (I915_COMPONENT_HDCP) + * @data: compare data (mei hdcp device) + * + * Return: + * * 1 - if components match + * * 0 - otherwise + */ static int mei_hdcp_component_match(struct device *dev, int subcomponent, void *data) { - return !strcmp(dev->driver->name, "i915") && - subcomponent == I915_COMPONENT_HDCP; + struct device *base = data; + + if (strcmp(dev->driver->name, "i915") || + subcomponent != I915_COMPONENT_HDCP) + return 0; + + base = base->parent; + if (!base) + return 0; + + base = base->parent; + dev = dev->parent; + + return (base && dev && dev == base); } static int mei_hdcp_probe(struct mei_cl_device *cldev, @@ -785,7 +812,7 @@ static int mei_hdcp_probe(struct mei_cl_device *cldev, master_match = NULL; component_match_add_typed(&cldev->dev, &master_match, - mei_hdcp_component_match, comp_master); + mei_hdcp_component_match, &cldev->dev); if (IS_ERR_OR_NULL(master_match)) { ret = -ENOMEM; goto err_exit; diff --git a/drivers/misc/mei/hw-me-regs.h b/drivers/misc/mei/hw-me-regs.h index 7cd67fb2365d..87a0201ba6b3 100644 --- a/drivers/misc/mei/hw-me-regs.h +++ b/drivers/misc/mei/hw-me-regs.h @@ -81,10 +81,16 @@ #define MEI_DEV_ID_CMP_LP 0x02e0 /* Comet Point LP */ #define MEI_DEV_ID_CMP_LP_3 0x02e4 /* Comet Point LP 3 (iTouch) */ + #define MEI_DEV_ID_CMP_V 0xA3BA /* Comet Point Lake V */ +#define MEI_DEV_ID_CMP_H 0x06e0 /* Comet Lake H */ +#define MEI_DEV_ID_CMP_H_3 0x06e4 /* Comet Lake H 3 (iTouch) */ + #define MEI_DEV_ID_ICP_LP 0x34E0 /* Ice Lake Point LP */ +#define MEI_DEV_ID_JSP_N 0x4DE0 /* Jasper Lake Point N */ + #define MEI_DEV_ID_TGP_LP 0xA0E0 /* Tiger Lake Point LP */ #define MEI_DEV_ID_MCC 0x4B70 /* Mule Creek Canyon (EHL) */ diff --git a/drivers/misc/mei/pci-me.c b/drivers/misc/mei/pci-me.c index c845b7e40f26..2711451b3d87 100644 --- a/drivers/misc/mei/pci-me.c +++ b/drivers/misc/mei/pci-me.c @@ -99,11 +99,15 @@ static const struct pci_device_id mei_me_pci_tbl[] = { {MEI_PCI_DEVICE(MEI_DEV_ID_CMP_LP, MEI_ME_PCH12_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_CMP_LP_3, MEI_ME_PCH8_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_CMP_V, MEI_ME_PCH12_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CMP_H, MEI_ME_PCH12_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_CMP_H_3, MEI_ME_PCH8_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_ICP_LP, MEI_ME_PCH12_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_TGP_LP, MEI_ME_PCH15_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_JSP_N, MEI_ME_PCH15_CFG)}, + {MEI_PCI_DEVICE(MEI_DEV_ID_MCC, MEI_ME_PCH15_CFG)}, {MEI_PCI_DEVICE(MEI_DEV_ID_MCC_4, MEI_ME_PCH8_CFG)}, diff --git a/drivers/misc/mic/card/mic_debugfs.c b/drivers/misc/mic/card/mic_debugfs.c index 3ee3d2402634..b58608829b18 100644 --- a/drivers/misc/mic/card/mic_debugfs.c +++ b/drivers/misc/mic/card/mic_debugfs.c @@ -65,9 +65,6 @@ void __init mic_create_card_debug_dir(struct mic_driver *mdrv) */ void mic_delete_card_debug_dir(struct mic_driver *mdrv) { - if (!mdrv->dbg_dir) - return; - debugfs_remove_recursive(mdrv->dbg_dir); } diff --git a/drivers/misc/mic/cosm/cosm_debugfs.c b/drivers/misc/mic/cosm/cosm_debugfs.c index 2fc9f4bf7001..68a731fd86de 100644 --- a/drivers/misc/mic/cosm/cosm_debugfs.c +++ b/drivers/misc/mic/cosm/cosm_debugfs.c @@ -102,9 +102,6 @@ void cosm_create_debug_dir(struct cosm_device *cdev) void cosm_delete_debug_dir(struct cosm_device *cdev) { - if (!cdev->dbg_dir) - return; - debugfs_remove_recursive(cdev->dbg_dir); } diff --git a/drivers/misc/mic/host/mic_debugfs.c b/drivers/misc/mic/host/mic_debugfs.c index 8a8e41677501..ab0db7a2ac8c 100644 --- a/drivers/misc/mic/host/mic_debugfs.c +++ b/drivers/misc/mic/host/mic_debugfs.c @@ -129,9 +129,6 @@ void mic_create_debug_dir(struct mic_device *mdev) */ void mic_delete_debug_dir(struct mic_device *mdev) { - if (!mdev->dbg_dir) - return; - debugfs_remove_recursive(mdev->dbg_dir); } diff --git a/drivers/misc/mic/scif/scif_nodeqp.c b/drivers/misc/mic/scif/scif_nodeqp.c index c25fd40f3bd0..fcd999f50d14 100644 --- a/drivers/misc/mic/scif/scif_nodeqp.c +++ b/drivers/misc/mic/scif/scif_nodeqp.c @@ -788,7 +788,7 @@ scif_node_add(struct scif_dev *scifdev, struct scifmsg *msg) "failed to setup interrupts for %d\n", msg->src.node); goto interrupt_setup_error; } - newdev->mmio.va = ioremap_nocache(msg->payload[1], sdev->mmio->len); + newdev->mmio.va = ioremap(msg->payload[1], sdev->mmio->len); if (!newdev->mmio.va) { dev_err(&scifdev->sdev->dev, "failed to map mmio for %d\n", msg->src.node); diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c index 359c5bab45ac..b7f510676cd6 100644 --- a/drivers/misc/pti.c +++ b/drivers/misc/pti.c @@ -792,7 +792,7 @@ static int pti_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) { unsigned int a; - int retval = -EINVAL; + int retval; int pci_bar = 1; dev_dbg(&pdev->dev, "%s %s(%d): PTI PCI ID %04x:%04x\n", __FILE__, @@ -834,7 +834,7 @@ static int pti_pci_probe(struct pci_dev *pdev, } drv_data->aperture_base = drv_data->pti_addr+APERTURE_14; drv_data->pti_ioaddr = - ioremap_nocache((u32)drv_data->aperture_base, + ioremap((u32)drv_data->aperture_base, APERTURE_LEN); if (!drv_data->pti_ioaddr) { retval = -ENOMEM; @@ -910,7 +910,7 @@ static struct pci_driver pti_pci_driver = { */ static int __init pti_init(void) { - int retval = -EINVAL; + int retval; /* First register module as tty device */ diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c index 95ff7c5a1dfb..a6e1a8983e1f 100644 --- a/drivers/misc/pvpanic.c +++ b/drivers/misc/pvpanic.c @@ -10,16 +10,16 @@ #include <linux/acpi.h> #include <linux/kernel.h> +#include <linux/kexec.h> #include <linux/module.h> #include <linux/of.h> #include <linux/of_address.h> #include <linux/platform_device.h> #include <linux/types.h> +#include <uapi/misc/pvpanic.h> static void __iomem *base; -#define PVPANIC_PANICKED (1 << 0) - MODULE_AUTHOR("Hu Tao <hutao@cn.fujitsu.com>"); MODULE_DESCRIPTION("pvpanic device driver"); MODULE_LICENSE("GPL"); @@ -34,7 +34,13 @@ static int pvpanic_panic_notify(struct notifier_block *nb, unsigned long code, void *unused) { - pvpanic_send_event(PVPANIC_PANICKED); + unsigned int event = PVPANIC_PANICKED; + + if (kexec_crash_loaded()) + event = PVPANIC_CRASH_LOADED; + + pvpanic_send_event(event); + return NOTIFY_DONE; } diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c index f7d610a22347..ada94e6a3c91 100644 --- a/drivers/misc/sgi-xp/xpnet.c +++ b/drivers/misc/sgi-xp/xpnet.c @@ -496,7 +496,7 @@ xpnet_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev) * Deal with transmit timeouts coming from the network layer. */ static void -xpnet_dev_tx_timeout(struct net_device *dev) +xpnet_dev_tx_timeout(struct net_device *dev, unsigned int txqueue) { dev->stats.tx_errors++; } diff --git a/drivers/misc/sram-exec.c b/drivers/misc/sram-exec.c index d054e2842a5f..cb57ac6ab4c3 100644 --- a/drivers/misc/sram-exec.c +++ b/drivers/misc/sram-exec.c @@ -85,6 +85,7 @@ void *sram_exec_copy(struct gen_pool *pool, void *dst, void *src, unsigned long base; int pages; void *dst_cpy; + int ret; mutex_lock(&exec_pool_list_mutex); list_for_each_entry(p, &exec_pool_list, list) { @@ -104,16 +105,28 @@ void *sram_exec_copy(struct gen_pool *pool, void *dst, void *src, mutex_lock(&part->lock); - set_memory_nx((unsigned long)base, pages); - set_memory_rw((unsigned long)base, pages); + ret = set_memory_nx((unsigned long)base, pages); + if (ret) + goto error_out; + ret = set_memory_rw((unsigned long)base, pages); + if (ret) + goto error_out; dst_cpy = fncpy(dst, src, size); - set_memory_ro((unsigned long)base, pages); - set_memory_x((unsigned long)base, pages); + ret = set_memory_ro((unsigned long)base, pages); + if (ret) + goto error_out; + ret = set_memory_x((unsigned long)base, pages); + if (ret) + goto error_out; mutex_unlock(&part->lock); return dst_cpy; + +error_out: + mutex_unlock(&part->lock); + return NULL; } EXPORT_SYMBOL_GPL(sram_exec_copy); diff --git a/drivers/misc/ti-st/st_core.c b/drivers/misc/ti-st/st_core.c index 2ae9948a91e1..14136d2cc8f9 100644 --- a/drivers/misc/ti-st/st_core.c +++ b/drivers/misc/ti-st/st_core.c @@ -736,8 +736,8 @@ static int st_tty_open(struct tty_struct *tty) static void st_tty_close(struct tty_struct *tty) { - unsigned char i = ST_MAX_CHANNELS; - unsigned long flags = 0; + unsigned char i; + unsigned long flags; struct st_data_s *st_gdata = tty->disc_data; pr_info("%s ", __func__); diff --git a/drivers/misc/tsl2550.c b/drivers/misc/tsl2550.c index 09db397df287..6d71865c8042 100644 --- a/drivers/misc/tsl2550.c +++ b/drivers/misc/tsl2550.c @@ -148,16 +148,14 @@ static int tsl2550_calculate_lux(u8 ch0, u8 ch1) u16 c0 = count_lut[ch0]; u16 c1 = count_lut[ch1]; - /* - * Calculate ratio. - * Note: the "128" is a scaling factor - */ - u8 r = 128; - /* Avoid division by 0 and count 1 cannot be greater than count 0 */ if (c1 <= c0) if (c0) { - r = c1 * 128 / c0; + /* + * Calculate ratio. + * Note: the "128" is a scaling factor + */ + u8 r = c1 * 128 / c0; /* Calculate LUX */ lux = ((c0 - c1) * ratio_lut[r]) / 256; diff --git a/drivers/misc/vmw_balloon.c b/drivers/misc/vmw_balloon.c index 5e6be1527571..b837e7eba5f7 100644 --- a/drivers/misc/vmw_balloon.c +++ b/drivers/misc/vmw_balloon.c @@ -17,6 +17,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/types.h> +#include <linux/io.h> #include <linux/kernel.h> #include <linux/mm.h> #include <linux/vmalloc.h> diff --git a/drivers/misc/xilinx_sdfec.c b/drivers/misc/xilinx_sdfec.c index 11835969e982..71bbaa56bdb5 100644 --- a/drivers/misc/xilinx_sdfec.c +++ b/drivers/misc/xilinx_sdfec.c @@ -733,7 +733,7 @@ static int xsdfec_set_order(struct xsdfec_dev *xsdfec, void __user *arg) enum xsdfec_order order; int err; - err = get_user(order, (enum xsdfec_order *)arg); + err = get_user(order, (enum xsdfec_order __user *)arg); if (err) return -EFAULT; @@ -1025,25 +1025,25 @@ static long xsdfec_dev_compat_ioctl(struct file *file, unsigned int cmd, } #endif -static unsigned int xsdfec_poll(struct file *file, poll_table *wait) +static __poll_t xsdfec_poll(struct file *file, poll_table *wait) { - unsigned int mask = 0; + __poll_t mask = 0; struct xsdfec_dev *xsdfec; xsdfec = container_of(file->private_data, struct xsdfec_dev, miscdev); if (!xsdfec) - return POLLNVAL | POLLHUP; + return EPOLLNVAL | EPOLLHUP; poll_wait(file, &xsdfec->waitq, wait); /* XSDFEC ISR detected an error */ spin_lock_irqsave(&xsdfec->error_data_lock, xsdfec->flags); if (xsdfec->state_updated) - mask |= POLLIN | POLLPRI; + mask |= EPOLLIN | EPOLLPRI; if (xsdfec->stats_updated) - mask |= POLLIN | POLLRDNORM; + mask |= EPOLLIN | EPOLLRDNORM; spin_unlock_irqrestore(&xsdfec->error_data_lock, xsdfec->flags); return mask; |