summaryrefslogtreecommitdiff
path: root/drivers/char
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/Kconfig2
-rw-r--r--drivers/char/apm-emulation.c5
-rw-r--r--drivers/char/hpet.c3
-rw-r--r--drivers/char/hw_random/xgene-rng.c2
-rw-r--r--drivers/char/ipmi/bt-bmc.c2
-rw-r--r--drivers/char/ipmi/ipmi_si_intf.c3
-rw-r--r--drivers/char/ipmi/ipmi_ssif.c6
-rw-r--r--drivers/char/ipmi/ssif_bmc.c3
-rw-r--r--drivers/char/misc.c28
-rw-r--r--drivers/char/tpm/tpm-dev-common.c2
-rw-r--r--drivers/char/xillybus/xillybus_core.c3
11 files changed, 21 insertions, 38 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 8fb33c90482f..ae6196760556 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -404,7 +404,7 @@ config TELCLOCK
configuration of the telecom clock configuration settings. This
device is used for hardware synchronization across the ATCA backplane
fabric. Upon loading, the driver exports a sysfs directory,
- /sys/devices/platform/telco_clock, with a number of files for
+ /sys/devices/faux/telco_clock, with a number of files for
controlling the behavior of this hardware.
source "drivers/s390/char/Kconfig"
diff --git a/drivers/char/apm-emulation.c b/drivers/char/apm-emulation.c
index e795390b070f..53ce352f7197 100644
--- a/drivers/char/apm-emulation.c
+++ b/drivers/char/apm-emulation.c
@@ -141,9 +141,6 @@ static struct apm_queue kapmd_queue;
static DEFINE_MUTEX(state_lock);
-static const char driver_version[] = "1.13"; /* no spaces */
-
-
/*
* Compatibility cruft until the IPAQ people move over to the new
@@ -435,6 +432,8 @@ static struct miscdevice apm_device = {
*/
static int proc_apm_show(struct seq_file *m, void *v)
{
+ static const char driver_version[] = "1.13"; /* no spaces */
+
struct apm_power_info info;
char *units;
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index e110857824fc..0713ea2b2a51 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -1023,8 +1023,7 @@ static int __init hpet_init(void)
result = acpi_bus_register_driver(&hpet_acpi_driver);
if (result < 0) {
- if (sysctl_header)
- unregister_sysctl_table(sysctl_header);
+ unregister_sysctl_table(sysctl_header);
misc_deregister(&hpet_misc);
return result;
}
diff --git a/drivers/char/hw_random/xgene-rng.c b/drivers/char/hw_random/xgene-rng.c
index a1a751074f7e..709a36507145 100644
--- a/drivers/char/hw_random/xgene-rng.c
+++ b/drivers/char/hw_random/xgene-rng.c
@@ -88,7 +88,7 @@ struct xgene_rng_dev {
static void xgene_rng_expired_timer(struct timer_list *t)
{
- struct xgene_rng_dev *ctx = from_timer(ctx, t, failure_timer);
+ struct xgene_rng_dev *ctx = timer_container_of(ctx, t, failure_timer);
/* Clear failure counter as timer expired */
disable_irq(ctx->irq);
diff --git a/drivers/char/ipmi/bt-bmc.c b/drivers/char/ipmi/bt-bmc.c
index 77146b5c762b..a179d4797011 100644
--- a/drivers/char/ipmi/bt-bmc.c
+++ b/drivers/char/ipmi/bt-bmc.c
@@ -347,7 +347,7 @@ static const struct file_operations bt_bmc_fops = {
static void poll_timer(struct timer_list *t)
{
- struct bt_bmc *bt_bmc = from_timer(bt_bmc, t, poll_timer);
+ struct bt_bmc *bt_bmc = timer_container_of(bt_bmc, t, poll_timer);
bt_bmc->poll_timer.expires += msecs_to_jiffies(500);
wake_up(&bt_bmc->queue);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 7fe891783a37..bb42dfe1c6a8 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1076,7 +1076,8 @@ static void set_need_watch(void *send_info, unsigned int watch_mask)
static void smi_timeout(struct timer_list *t)
{
- struct smi_info *smi_info = from_timer(smi_info, t, si_timer);
+ struct smi_info *smi_info = timer_container_of(smi_info, t,
+ si_timer);
enum si_sm_result smi_result;
unsigned long flags;
unsigned long jiffies_now;
diff --git a/drivers/char/ipmi/ipmi_ssif.c b/drivers/char/ipmi/ipmi_ssif.c
index 5bf038e620c7..1bc42830444d 100644
--- a/drivers/char/ipmi/ipmi_ssif.c
+++ b/drivers/char/ipmi/ipmi_ssif.c
@@ -539,7 +539,8 @@ static void start_resend(struct ssif_info *ssif_info);
static void retry_timeout(struct timer_list *t)
{
- struct ssif_info *ssif_info = from_timer(ssif_info, t, retry_timer);
+ struct ssif_info *ssif_info = timer_container_of(ssif_info, t,
+ retry_timer);
unsigned long oflags, *flags;
bool waiting, resend;
@@ -563,7 +564,8 @@ static void retry_timeout(struct timer_list *t)
static void watch_timeout(struct timer_list *t)
{
- struct ssif_info *ssif_info = from_timer(ssif_info, t, watch_timer);
+ struct ssif_info *ssif_info = timer_container_of(ssif_info, t,
+ watch_timer);
unsigned long oflags, *flags;
if (ssif_info->stopping)
diff --git a/drivers/char/ipmi/ssif_bmc.c b/drivers/char/ipmi/ssif_bmc.c
index e4bd74585d4d..7a52e3ea49ed 100644
--- a/drivers/char/ipmi/ssif_bmc.c
+++ b/drivers/char/ipmi/ssif_bmc.c
@@ -297,7 +297,8 @@ static void complete_response(struct ssif_bmc_ctx *ssif_bmc)
static void response_timeout(struct timer_list *t)
{
- struct ssif_bmc_ctx *ssif_bmc = from_timer(ssif_bmc, t, response_timer);
+ struct ssif_bmc_ctx *ssif_bmc = timer_container_of(ssif_bmc, t,
+ response_timer);
unsigned long flags;
spin_lock_irqsave(&ssif_bmc->lock, flags);
diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index dda466f9181a..d5accc10a110 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -58,9 +58,8 @@ static LIST_HEAD(misc_list);
static DEFINE_MUTEX(misc_mtx);
/*
- * Assigned numbers, used for dynamic minors
+ * Assigned numbers.
*/
-#define DYNAMIC_MINORS 128 /* like dynamic majors */
static DEFINE_IDA(misc_minors_ida);
static int misc_minor_alloc(int minor)
@@ -69,34 +68,17 @@ static int misc_minor_alloc(int minor)
if (minor == MISC_DYNAMIC_MINOR) {
/* allocate free id */
- ret = ida_alloc_max(&misc_minors_ida, DYNAMIC_MINORS - 1, GFP_KERNEL);
- if (ret >= 0) {
- ret = DYNAMIC_MINORS - ret - 1;
- } else {
- ret = ida_alloc_range(&misc_minors_ida, MISC_DYNAMIC_MINOR + 1,
- MINORMASK, GFP_KERNEL);
- }
+ ret = ida_alloc_range(&misc_minors_ida, MISC_DYNAMIC_MINOR + 1,
+ MINORMASK, GFP_KERNEL);
} else {
- /* specific minor, check if it is in dynamic or misc dynamic range */
- if (minor < DYNAMIC_MINORS) {
- minor = DYNAMIC_MINORS - minor - 1;
- ret = ida_alloc_range(&misc_minors_ida, minor, minor, GFP_KERNEL);
- } else if (minor > MISC_DYNAMIC_MINOR) {
- ret = ida_alloc_range(&misc_minors_ida, minor, minor, GFP_KERNEL);
- } else {
- /* case of non-dynamic minors, no need to allocate id */
- ret = 0;
- }
+ ret = ida_alloc_range(&misc_minors_ida, minor, minor, GFP_KERNEL);
}
return ret;
}
static void misc_minor_free(int minor)
{
- if (minor < DYNAMIC_MINORS)
- ida_free(&misc_minors_ida, DYNAMIC_MINORS - minor - 1);
- else if (minor > MISC_DYNAMIC_MINOR)
- ida_free(&misc_minors_ida, minor);
+ ida_free(&misc_minors_ida, minor);
}
#ifdef CONFIG_PROC_FS
diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c
index 11deaf538e87..f2a5e09257dd 100644
--- a/drivers/char/tpm/tpm-dev-common.c
+++ b/drivers/char/tpm/tpm-dev-common.c
@@ -91,7 +91,7 @@ out:
static void user_reader_timeout(struct timer_list *t)
{
- struct file_priv *priv = from_timer(priv, t, user_read_timer);
+ struct file_priv *priv = timer_container_of(priv, t, user_read_timer);
pr_warn("TPM user space timeout is deprecated (pid=%d)\n",
task_tgid_nr(current));
diff --git a/drivers/char/xillybus/xillybus_core.c b/drivers/char/xillybus/xillybus_core.c
index 11b7c4749274..efb1ae834265 100644
--- a/drivers/char/xillybus/xillybus_core.c
+++ b/drivers/char/xillybus/xillybus_core.c
@@ -1184,8 +1184,7 @@ static int xillybus_flush(struct file *filp, fl_owner_t id)
static void xillybus_autoflush(struct work_struct *work)
{
- struct delayed_work *workitem = container_of(
- work, struct delayed_work, work);
+ struct delayed_work *workitem = to_delayed_work(work);
struct xilly_channel *channel = container_of(
workitem, struct xilly_channel, rd_workitem);
int rc;
generated by cgit (git 2.34.1) at 2025-06-19 21:32:10 +0000