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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:19:16 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 08:19:16 -0800
commit6035ccd8e9e40bb654fbfdef325902ab531679a5 (patch)
treec1810d8a4d4ef150cdf14af72e6087dfc3f4b6e0 /drivers/block/ps3vram.c
parent23eb3b64b5e44680c867e165fe1cd18e57fba255 (diff)
parent878eaddd05d251cefa9632c2b8046833c5eead66 (diff)
Merge branch 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block
* 'for-2.6.33' of git://git.kernel.dk/linux-2.6-block: (113 commits) cfq-iosched: Do not access cfqq after freeing it block: include linux/err.h to use ERR_PTR cfq-iosched: use call_rcu() instead of doing grace period stall on queue exit blkio: Allow CFQ group IO scheduling even when CFQ is a module blkio: Implement dynamic io controlling policy registration blkio: Export some symbols from blkio as its user CFQ can be a module block: Fix io_context leak after failure of clone with CLONE_IO block: Fix io_context leak after clone with CLONE_IO cfq-iosched: make nonrot check logic consistent io controller: quick fix for blk-cgroup and modular CFQ cfq-iosched: move IO controller declerations to a header file cfq-iosched: fix compile problem with !CONFIG_CGROUP blkio: Documentation blkio: Wait on sync-noidle queue even if rq_noidle = 1 blkio: Implement group_isolation tunable blkio: Determine async workload length based on total number of queues blkio: Wait for cfq queue to get backlogged if group is empty blkio: Propagate cgroup weight updation to cfq groups blkio: Drop the reference to queue once the task changes cgroup blkio: Provide some isolation between groups ...
Diffstat (limited to 'drivers/block/ps3vram.c')
-rw-r--r--drivers/block/ps3vram.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/block/ps3vram.c b/drivers/block/ps3vram.c
index 3bb7c47c869f..1fb6c3135fc8 100644
--- a/drivers/block/ps3vram.c
+++ b/drivers/block/ps3vram.c
@@ -123,7 +123,15 @@ static int ps3vram_notifier_wait(struct ps3_system_bus_device *dev,
{
struct ps3vram_priv *priv = ps3_system_bus_get_drvdata(dev);
u32 *notify = ps3vram_get_notifier(priv->reports, NOTIFIER);
- unsigned long timeout = jiffies + msecs_to_jiffies(timeout_ms);
+ unsigned long timeout;
+
+ for (timeout = 20; timeout; timeout--) {
+ if (!notify[3])
+ return 0;
+ udelay(10);
+ }
+
+ timeout = jiffies + msecs_to_jiffies(timeout_ms);
do {
if (!notify[3])