summaryrefslogtreecommitdiff
path: root/drivers/mmc/core/sdio.c
diff options
context:
space:
mode:
authorStefan Agner <stefan.agner@toradex.com>2019-08-16 16:40:08 +0200
committerStefan Agner <stefan.agner@toradex.com>2019-08-16 16:40:08 +0200
commit3758b8bd81966b63dc93093a323e9bdd734545fd (patch)
tree229bda2abe1a31d59da4b48e71aeefde934fe1d0 /drivers/mmc/core/sdio.c
parentd15d0b7a9f89cf5a905ad6802eb23100c8063939 (diff)
parentdd209b062b86dd951cf1da93f20aa497fe99d52d (diff)
Merge tag 'v4.19.59-rt24' into toradex_4.19.y-rttoradex_4.19.y-rt
Linux 4.19.59-rt24
Diffstat (limited to 'drivers/mmc/core/sdio.c')
-rw-r--r--drivers/mmc/core/sdio.c13
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/mmc/core/sdio.c b/drivers/mmc/core/sdio.c
index d8e17ea6126d..0aa99694b937 100644
--- a/drivers/mmc/core/sdio.c
+++ b/drivers/mmc/core/sdio.c
@@ -934,6 +934,10 @@ 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))
@@ -982,13 +986,20 @@ 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;