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authorAdrian Hunter <adrian.hunter@intel.com>2018-02-27 14:51:24 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2018-03-05 13:04:32 +0100
commitd5d568fad9a52ac4eba5d9a080a5cddb8498fa5e (patch)
tree822d89a7a03b8835613e4ac514abe02d562cdff7 /drivers/mmc
parent9c316b38b7801e5dabfc41ab700a0caf743e38b4 (diff)
mmc: sdhci: Do not unnecessarily enable wakeup for SDIO card interrupt
Do not enable wakeup for SDIO card interrupt unless the SDIO function driver has requested it which is indicated by mmc_card_wake_sdio_irq(). Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 996845cb5af3..2ededa7f43df 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2928,8 +2928,13 @@ static bool sdhci_enable_irq_wakeups(struct sdhci_host *host)
irq_val |= SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE;
}
- wake_val |= SDHCI_WAKE_ON_INT;
- irq_val |= SDHCI_INT_CARD_INT;
+ if (mmc_card_wake_sdio_irq(host->mmc)) {
+ wake_val |= SDHCI_WAKE_ON_INT;
+ irq_val |= SDHCI_INT_CARD_INT;
+ }
+
+ if (!irq_val)
+ return false;
val = sdhci_readb(host, SDHCI_WAKE_UP_CONTROL);
val &= ~mask;