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authorLinus Torvalds <torvalds@linux-foundation.org>2015-02-15 22:11:47 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-15 22:11:47 +0300
commit9682ec9692e5ac11c6caebd079324e727b19e7ce (patch)
tree16b25351557cd028913fc2c225e2db0175d750b6 /drivers
parent4ba63072b998cc31515cc6305c25f3b808b50c01 (diff)
parentadf305f77878880fa5868a7179979da93be68d83 (diff)
downloadlinux-9682ec9692e5ac11c6caebd079324e727b19e7ce.tar.xz
Merge tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg KH: "Really tiny set of patches for this kernel. Nothing major, all described in the shortlog and have been in linux-next for a while" * tag 'driver-core-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: sysfs: fix warning when creating a sysfs group without attributes firmware_loader: handle timeout via wait_for_completion_interruptible_timeout() firmware_loader: abort request if wait_for_completion is interrupted firmware: Correct function name in comment device: Change dev_<level> logging functions to return void device: Fix dev_dbg_once macro
Diffstat (limited to 'drivers')
-rw-r--r--drivers/base/core.c29
-rw-r--r--drivers/base/firmware_class.c33
2 files changed, 22 insertions, 40 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 97e2baf6e5d8..07304a3b9ee2 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2080,54 +2080,47 @@ int dev_printk_emit(int level, const struct device *dev, const char *fmt, ...)
}
EXPORT_SYMBOL(dev_printk_emit);
-static int __dev_printk(const char *level, const struct device *dev,
+static void __dev_printk(const char *level, const struct device *dev,
struct va_format *vaf)
{
- if (!dev)
- return printk("%s(NULL device *): %pV", level, vaf);
-
- return dev_printk_emit(level[1] - '0', dev,
- "%s %s: %pV",
- dev_driver_string(dev), dev_name(dev), vaf);
+ if (dev)
+ dev_printk_emit(level[1] - '0', dev, "%s %s: %pV",
+ dev_driver_string(dev), dev_name(dev), vaf);
+ else
+ printk("%s(NULL device *): %pV", level, vaf);
}
-int dev_printk(const char *level, const struct device *dev,
- const char *fmt, ...)
+void dev_printk(const char *level, const struct device *dev,
+ const char *fmt, ...)
{
struct va_format vaf;
va_list args;
- int r;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
- r = __dev_printk(level, dev, &vaf);
+ __dev_printk(level, dev, &vaf);
va_end(args);
-
- return r;
}
EXPORT_SYMBOL(dev_printk);
#define define_dev_printk_level(func, kern_level) \
-int func(const struct device *dev, const char *fmt, ...) \
+void func(const struct device *dev, const char *fmt, ...) \
{ \
struct va_format vaf; \
va_list args; \
- int r; \
\
va_start(args, fmt); \
\
vaf.fmt = fmt; \
vaf.va = &args; \
\
- r = __dev_printk(kern_level, dev, &vaf); \
+ __dev_printk(kern_level, dev, &vaf); \
\
va_end(args); \
- \
- return r; \
} \
EXPORT_SYMBOL(func);
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index c3293f0a8573..6c5c9edf5ff6 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -94,7 +94,7 @@ static int loading_timeout = 60; /* In seconds */
static inline long firmware_loading_timeout(void)
{
- return loading_timeout > 0 ? loading_timeout * HZ : MAX_SCHEDULE_TIMEOUT;
+ return loading_timeout > 0 ? loading_timeout * HZ : MAX_JIFFY_OFFSET;
}
/* firmware behavior options */
@@ -446,7 +446,6 @@ static int fw_add_devm_name(struct device *dev, const char *name)
*/
#ifdef CONFIG_FW_LOADER_USER_HELPER
struct firmware_priv {
- struct delayed_work timeout_work;
bool nowait;
struct device dev;
struct firmware_buf *buf;
@@ -836,16 +835,6 @@ static struct bin_attribute firmware_attr_data = {
.write = firmware_data_write,
};
-static void firmware_class_timeout_work(struct work_struct *work)
-{
- struct firmware_priv *fw_priv = container_of(work,
- struct firmware_priv, timeout_work.work);
-
- mutex_lock(&fw_lock);
- fw_load_abort(fw_priv);
- mutex_unlock(&fw_lock);
-}
-
static struct firmware_priv *
fw_create_instance(struct firmware *firmware, const char *fw_name,
struct device *device, unsigned int opt_flags)
@@ -861,9 +850,6 @@ fw_create_instance(struct firmware *firmware, const char *fw_name,
fw_priv->nowait = !!(opt_flags & FW_OPT_NOWAIT);
fw_priv->fw = firmware;
- INIT_DELAYED_WORK(&fw_priv->timeout_work,
- firmware_class_timeout_work);
-
f_dev = &fw_priv->dev;
device_initialize(f_dev);
@@ -916,16 +902,19 @@ static int _request_firmware_load(struct firmware_priv *fw_priv,
buf->need_uevent = true;
dev_set_uevent_suppress(f_dev, false);
dev_dbg(f_dev, "firmware: requesting %s\n", buf->fw_id);
- if (timeout != MAX_SCHEDULE_TIMEOUT)
- queue_delayed_work(system_power_efficient_wq,
- &fw_priv->timeout_work, timeout);
-
kobject_uevent(&fw_priv->dev.kobj, KOBJ_ADD);
+ } else {
+ timeout = MAX_JIFFY_OFFSET;
}
- retval = wait_for_completion_interruptible(&buf->completion);
+ retval = wait_for_completion_interruptible_timeout(&buf->completion,
+ timeout);
+ if (retval == -ERESTARTSYS || !retval) {
+ mutex_lock(&fw_lock);
+ fw_load_abort(fw_priv);
+ mutex_unlock(&fw_lock);
+ }
- cancel_delayed_work_sync(&fw_priv->timeout_work);
if (is_fw_load_aborted(buf))
retval = -EAGAIN;
else if (!buf->data)
@@ -1193,7 +1182,7 @@ request_firmware(const struct firmware **firmware_p, const char *name,
EXPORT_SYMBOL(request_firmware);
/**
- * request_firmware: - load firmware directly without usermode helper
+ * request_firmware_direct: - load firmware directly without usermode helper
* @firmware_p: pointer to firmware image
* @name: name of firmware file
* @device: device for which firmware is being loaded