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ltq-adsl: fix bugs in linux 3.18 compatiblity change

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 44844
This commit is contained in:
Felix Fietkau 2015-03-16 13:05:42 +00:00
parent 81ff0511df
commit 6cfad3ca21
1 changed files with 34 additions and 7 deletions
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41
package/kernel/lantiq/ltq-adsl/patches/140-linux_3.18.patch
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@ -1,13 +1,40 @@
Index: drv_dsl_cpe_api-3.24.4.4/src/include/drv_dsl_cpe_os_linux.h
===================================================================
--- drv_dsl_cpe_api-3.24.4.4.orig/src/include/drv_dsl_cpe_os_linux.h 2015-02-08 09:59:02.424259834 +0100
+++ drv_dsl_cpe_api-3.24.4.4/src/include/drv_dsl_cpe_os_linux.h 2015-02-08 10:02:19.580740173 +0100
@@ -218,7 +218,7 @@
--- a/src/include/drv_dsl_cpe_os_linux.h
+++ b/src/include/drv_dsl_cpe_os_linux.h
@@ -214,12 +214,35 @@ static inline int dsl_mutex_lock(struct
#define DSL_DRV_MUTEX_LOCK(id) down_interruptible(&(id))
#define DSL_DRV_MUTEX_UNLOCK(id) up(&(id))
#endif
+
+static inline long
+ugly_hack_sleep_on_timeout(wait_queue_head_t *q, long timeout)
+{
+ unsigned long flags;
+ wait_queue_t wait;
+
+ init_waitqueue_entry(&wait, current);
+
+ __set_current_state(TASK_INTERRUPTIBLE);
+ spin_lock_irqsave(&q->lock, flags);
+ __add_wait_queue(q, &wait);
+ spin_unlock(&q->lock);
+
+ timeout = schedule_timeout(timeout);
+
+ spin_lock_irq(&q->lock);
+ __remove_wait_queue(q, &wait);
+ spin_unlock_irqrestore(&q->lock, flags);
+
+ return timeout;
+}
+
#define DSL_DRV_INIT_WAKELIST(name,queue) init_waitqueue_head(&(queue))
#define DSL_DRV_WAKEUP_WAKELIST(queue) wake_up_interruptible(&(queue))
#define DSL_DRV_INIT_EVENT(name,ev) init_waitqueue_head(&(ev))
/* wait for an event, timeout is measured in ms */
-#define DSL_DRV_WAIT_EVENT_TIMEOUT(ev,t) interruptible_sleep_on_timeout(&(ev), (t) * HZ / 1000)
+#define DSL_DRV_WAIT_EVENT_TIMEOUT(ev,t) wait_event_interruptible_timeout((ev), 0 == 1, (t) * HZ / 1000)
#define DSL_DRV_WAIT_EVENT(ev) interruptible_sleep_on(&(ev))
-#define DSL_DRV_WAIT_EVENT(ev) interruptible_sleep_on(&(ev))
+#define DSL_DRV_WAIT_EVENT_TIMEOUT(ev,t) ugly_hack_sleep_on_timeout(&(ev), (t) * HZ / 1000)
+#define DSL_DRV_WAIT_EVENT(ev) ugly_hack_sleep_on_timeout(&(ev), MAX_SCHEDULE_TIMEOUT)
#define DSL_DRV_WAKEUP_EVENT(ev) wake_up_interruptible(&(ev))
#define DSL_DRV_TimeMSecGet() DSL_DRV_ElapsedTimeMSecGet(0)
#define DSL_WAIT(ms) msleep(ms)