linux-4.4.1/devres_find() の変更点

• 追加された行はこの色です。
• 削除された行はこの色です。
• linux-4.4.1/devres_find() へ行く。
• linux-4.4.1/devres_find() の差分を削除

*参照元 [#ge4a11a4]
#backlinks

*説明 [#i6dfaf1d]
-パス: [[linux-4.4.1/drivers/base/devres.c]]

-FIXME: これは何？
--説明


**引数 [#dbca7509]
-struct device *dev
--
--[[linux-4.4.1/device]]
-dr_release_t release
--
--[[linux-4.4.1/dr_release_t]]
-dr_match_t match
--
--[[linux-4.4.1/dr_match_t]]
-void *match_data
--


**返り値 [#a48f3493]
-
--

**参考 [#qf9609eb]


*実装 [#s874112f]
 /**
  * devres_find - Find device resource
  * @dev: Device to lookup resource from
  * @release: Look for resources associated with this release function
  * @match: Match function (optional)
  * @match_data: Data for the match function
  *
  * Find the latest devres of @dev which is associated with @release
  * and for which @match returns 1.  If @match is NULL, it's considered
  * to match all.
  *
  * RETURNS:
  * Pointer to found devres, NULL if not found.
  */
 void * devres_find(struct device *dev, dr_release_t release,
                    dr_match_t match, void *match_data)
 {
         struct devres *dr;
         unsigned long flags;
 
-
--[[linux-4.4.1/devres]]

         spin_lock_irqsave(&dev->devres_lock, flags);
         dr = find_dr(dev, release, match, match_data);
         spin_unlock_irqrestore(&dev->devres_lock, flags);
 
-
--[[linux-4.4.1/spin_lock_irqsave()]]
--[[linux-4.4.1/find_dr()]]
--[[linux-4.4.1/spin_unlock_irqrestore()]]

         if (dr)
                 return dr->data;
         return NULL;
 }
 EXPORT_SYMBOL_GPL(devres_find);
-
--[[linux-4.4.1/EXPORT_SYMBOL_GPL()]]


*コメント [#h845faaa]