diff options
| author | Ming Lei <ming.lei@canonical.com> | 2015-01-12 17:02:01 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-04 00:33:10 +0100 |
| commit | 68ff2a00dbf590dc9483c20f85fd1f1faa054604 (patch) | |
| tree | 43502001a0d21b0eb71c5df2109f392556f1f923 /drivers/base/firmware_class.c | |
| parent | firmware_loader: abort request if wait_for_completion is interrupted (diff) | |
| download | linux-68ff2a00dbf590dc9483c20f85fd1f1faa054604.tar.xz linux-68ff2a00dbf590dc9483c20f85fd1f1faa054604.zip | |
firmware_loader: handle timeout via wait_for_completion_interruptible_timeout()
It is simpler to handle timeout by wait_for_completion_interruptible_timeout(),
so remove previous delay work for timeout.
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/firmware_class.c')
| -rw-r--r-- | drivers/base/firmware_class.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 5870ec35efe6..60ac9c3f7f48 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) @@ -862,9 +851,6 @@ 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); @@ -917,18 +903,14 @@ 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); - - cancel_delayed_work_sync(&fw_priv->timeout_work); - - if (retval == -ERESTARTSYS) { + 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); |