From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: Thu, 20 Jun 2013 03:26:43 +0000 (-0700)
Subject: Merge branch 'driver-core-linus' into driver-core-next
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7068cb07563d8f001e83a2836ccf1cef6518aea4;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

Merge branch 'driver-core-linus' into driver-core-next

This resolves the merge issues with drivers/base/firmware_class.c

Thanks to Ming Lei for the patch and hints on how to resolve it.

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

7068cb07563d8f001e83a2836ccf1cef6518aea4
diff --cc drivers/base/firmware_class.c
index 6ede2292f67e,01e21037d8fe..7fefcb5acfbf
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@@ -452,35 -446,27 +452,52 @@@ static struct firmware_priv *to_firmwar
  	return container_of(dev, struct firmware_priv, dev);
  }
  
- static void fw_load_abort(struct firmware_buf *buf)
 -static void fw_load_abort(struct firmware_priv *fw_priv)
++static void __fw_load_abort(struct firmware_buf *buf)
  {
 -	struct firmware_buf *buf = fw_priv->buf;
 -
+ 	/*
+ 	 * There is a small window in which user can write to 'loading'
+ 	 * between loading done and disappearance of 'loading'
+ 	 */
+ 	if (test_bit(FW_STATUS_DONE, &buf->status))
+ 		return;
+ 
 +	list_del_init(&buf->pending_list);
  	set_bit(FW_STATUS_ABORT, &buf->status);
  	complete_all(&buf->completion);
 +}
 +
++static void fw_load_abort(struct firmware_priv *fw_priv)
++{
++	struct firmware_buf *buf = fw_priv->buf;
++
++	__fw_load_abort(buf);
+ 
+ 	/* avoid user action after loading abort */
+ 	fw_priv->buf = NULL;
+ }
+ 
  #define is_fw_load_aborted(buf)	\
  	test_bit(FW_STATUS_ABORT, &(buf)->status)
  
 +static LIST_HEAD(pending_fw_head);
 +
 +/* reboot notifier for avoid deadlock with usermode_lock */
 +static int fw_shutdown_notify(struct notifier_block *unused1,
 +			      unsigned long unused2, void *unused3)
 +{
 +	mutex_lock(&fw_lock);
 +	while (!list_empty(&pending_fw_head))
- 		fw_load_abort(list_first_entry(&pending_fw_head,
++		__fw_load_abort(list_first_entry(&pending_fw_head,
 +					       struct firmware_buf,
 +					       pending_list));
 +	mutex_unlock(&fw_lock);
 +	return NOTIFY_DONE;
 +}
 +
 +static struct notifier_block fw_shutdown_nb = {
 +	.notifier_call = fw_shutdown_notify,
 +};
 +
  static ssize_t firmware_timeout_show(struct class *class,
  				     struct class_attribute *attr,
  				     char *buf)
@@@ -911,23 -895,6 +927,23 @@@ static int fw_load_from_user_helper(str
  	fw_priv->buf = firmware->priv;
  	return _request_firmware_load(fw_priv, uevent, timeout);
  }
 +
 +#ifdef CONFIG_PM_SLEEP
 +/* kill pending requests without uevent to avoid blocking suspend */
 +static void kill_requests_without_uevent(void)
 +{
 +	struct firmware_buf *buf;
 +	struct firmware_buf *next;
 +
 +	mutex_lock(&fw_lock);
 +	list_for_each_entry_safe(buf, next, &pending_fw_head, pending_list) {
 +		if (!buf->need_uevent)
- 			 fw_load_abort(buf);
++			 __fw_load_abort(buf);
 +	}
 +	mutex_unlock(&fw_lock);
 +}
 +#endif
 +
  #else /* CONFIG_FW_LOADER_USER_HELPER */
  static inline int
  fw_load_from_user_helper(struct firmware *firmware, const char *name,