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mmc: slot-gpio: Add support to enable irq wake on cd_irq

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Add host capability MMC_CAP_CD_WAKE to enable irq wake on the card detect
irq.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Adrian Hunter
2017-06-13 15:07:51 +03:00
committed by Ulf Hansson
parent d2a47176a8
commit 03dbaa04a2
3 changed files with 8 additions and 1 deletions
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2
drivers/mmc/core/slot-gpio.c
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@@ -151,6 +151,8 @@ void mmc_gpiod_request_cd_irq(struct mmc_host *host)
if (irq < 0)
host->caps |= MMC_CAP_NEEDS_POLL;
else if ((host->caps & MMC_CAP_CD_WAKE) && !enable_irq_wake(irq))
host->slot.cd_wake_enabled = true;
}
EXPORT_SYMBOL(mmc_gpiod_request_cd_irq);