From: Adrian Hunter <adrian.hunter@intel.com>
Date: Tue, 27 Feb 2018 12:51:24 +0000 (+0200)
Subject: mmc: sdhci: Do not unnecessarily enable wakeup for SDIO card interrupt
X-Git-Tag: v4.19~1331^2~31
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d5d568fad9a52ac4eba5d9a080a5cddb8498fa5e;p=platform%2Fkernel%2Flinux-rpi.git

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>
---

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;