summaryrefslogtreecommitdiffstats
path: root/drivers/mmc
diff options
context:
space:
mode:
authorUlf Hansson <ulf.hansson@linaro.org>2019-06-18 14:06:56 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2019-06-18 14:06:56 +0200
commit9d767dc55208f19f81767a2aa775f36010a1fb14 (patch)
treeaf70b431f841537a899938838d2031dc1dd93b21 /drivers/mmc
parent6e8e1acda6aab9638c15c085dbef1dc429c1e87e (diff)
parent83293386bc95cf5e9f0c0175794455835bd1cb4a (diff)
downloadtalos-op-linux-9d767dc55208f19f81767a2aa775f36010a1fb14.tar.gz
talos-op-linux-9d767dc55208f19f81767a2aa775f36010a1fb14.zip
Merge branch 'fixes' into next
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/core/sdio.c13
-rw-r--r--drivers/mmc/core/sdio_irq.c4
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index d1aa1c7577bb..712a7742765e 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -937,6 +937,10 @@ static int mmc_sdio_pre_suspend(struct mmc_host *host)
*/
static int mmc_sdio_suspend(struct mmc_host *host)
{
+ /* Prevent processing of SDIO IRQs in suspended state. */
+ mmc_card_set_suspended(host->card);
+ cancel_delayed_work_sync(&host->sdio_irq_work);
+
mmc_claim_host(host);
if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host))
@@ -985,13 +989,20 @@ static int mmc_sdio_resume(struct mmc_host *host)
err = sdio_enable_4bit_bus(host->card);
}
- if (!err && host->sdio_irqs) {
+ if (err)
+ goto out;
+
+ /* Allow SDIO IRQs to be processed again. */
+ mmc_card_clr_suspended(host->card);
+
+ if (host->sdio_irqs) {
if (!(host->caps2 & MMC_CAP2_SDIO_IRQ_NOTHREAD))
wake_up_process(host->sdio_irq_thread);
else if (host->caps & MMC_CAP_SDIO_IRQ)
host->ops->enable_sdio_irq(host, 1);
}
+out:
mmc_release_host(host);
host->pm_flags &= ~MMC_PM_KEEP_POWER;
diff --git a/drivers/mmc/core/sdio_irq.c b/drivers/mmc/core/sdio_irq.c
index 931e6226c0b3..9f54a259a1b3 100644
--- a/drivers/mmc/core/sdio_irq.c
+++ b/drivers/mmc/core/sdio_irq.c
@@ -34,6 +34,10 @@ static int process_sdio_pending_irqs(struct mmc_host *host)
unsigned char pending;
struct sdio_func *func;
+ /* Don't process SDIO IRQs if the card is suspended. */
+ if (mmc_card_suspended(card))
+ return 0;
+
/*
* Optimization, if there is only 1 function interrupt registered
* and we know an IRQ was signaled then call irq handler directly.
OpenPOWER on IntegriCloud