aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/mmc/core/sdio_irq.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2012-05-30 10:59:04 +0200
committerIngo Molnar <mingo@kernel.org>2012-05-30 10:59:04 +0200
commit063e04776172f93b16a5eefd5661a340c1126513 (patch)
tree19cb1623631c8cc5dcf0d91f4731feec7cbefa04 /drivers/mmc/core/sdio_irq.c
parentMerge tag 'perf-core-for-mingo' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent (diff)
parentMerge branch 'x86-trampoline-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (diff)
downloadlinux-dev-063e04776172f93b16a5eefd5661a340c1126513.tar.xz
linux-dev-063e04776172f93b16a5eefd5661a340c1126513.zip
Merge branch 'linus' into perf/urgent
Merge back Linus's latest branch so that we pick up the uprobes changes. ( I tested this branch locally and while it's one from the middle of the merge window it's a good one to base further work off. ) Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/mmc/core/sdio_irq.c')
-rw-r--r--drivers/mmc/core/sdio_irq.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index f573e7f9f740..3d8ceb4084de 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -28,18 +28,20 @@
#include "sdio_ops.h"
-static int process_sdio_pending_irqs(struct mmc_card *card)
+static int process_sdio_pending_irqs(struct mmc_host *host)
{
+ struct mmc_card *card = host->card;
int i, ret, count;
unsigned char pending;
struct sdio_func *func;
/*
* Optimization, if there is only 1 function interrupt registered
- * call irq handler directly
+ * and we know an IRQ was signaled then call irq handler directly.
+ * Otherwise do the full probe.
*/
func = card->sdio_single_irq;
- if (func) {
+ if (func && host->sdio_irq_pending) {
func->irq_handler(func);
return 1;
}
@@ -116,7 +118,8 @@ static int sdio_irq_thread(void *_host)
ret = __mmc_claim_host(host, &host->sdio_irq_thread_abort);
if (ret)
break;
- ret = process_sdio_pending_irqs(host->card);
+ ret = process_sdio_pending_irqs(host);
+ host->sdio_irq_pending = false;
mmc_release_host(host);
/*