From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: [PATCH V2 2/4] mmc: sdhci: Do not unnecessarily enable wakeup for SDIO card interrupt Date: Wed, 14 Feb 2018 14:56:30 +0200 Message-ID: <1518612992-4951-3-git-send-email-adrian.hunter@intel.com> References: <1518612992-4951-1-git-send-email-adrian.hunter@intel.com> Return-path: In-Reply-To: <1518612992-4951-1-git-send-email-adrian.hunter@intel.com> Sender: linux-mmc-owner@vger.kernel.org To: Ulf Hansson , "Rafael J. Wysocki" Cc: Linux PM , linux-mmc , Haridhar Kalvala List-Id: linux-pm@vger.kernel.org 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 --- drivers/mmc/host/sdhci.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c2653347bb5e..565d24ccb2f2 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; -- 1.9.1