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Commit f84b9eb8 authored by Sahitya Tummala's avatar Sahitya Tummala
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mmc: sdhci-msm: Set sdio_pending_processing default state to false 



It seems that when we are configuring sdiowakeup_irq, we are
receiving a spurious interrupt which sets sdio_pending_processing
state to true.
Now, if the sdio card is physically connected but wifi not enabled
in that case suspend functionality will be broken sdhci_msm_suspend_noirq
will return -EBUSY if sdio_pending_processing is set to true.

Thus fix it by setting this flag to false after we have disabled
sdiowakeup_irq.

CRs-Fixed: 957968
Change-Id: I755b0b5602345ad6bf557c6055b9057012de0797
Signed-off-by: default avatarRitesh Harjani <riteshh@codeaurora.org>
Signed-off-by: default avatarSahitya Tummala <stummala@codeaurora.org>
parent 1468823d

drivers/mmc/host/sdhci-msm.c

+3 −1
Original line number Diff line number Diff line
@@ -2,7 +2,7 @@ 
 * drivers/mmc/host/sdhci-msm.c - Qualcomm MSM SDHCI Platform

 * driver source file

 *

 * Copyright (c) 2012-2015, The Linux Foundation. All rights reserved.

 * Copyright (c) 2012-2016, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -4289,6 +4289,7 @@ static int sdhci_msm_probe(struct platform_device *pdev) 
		} else {

			spin_lock_irqsave(&host->lock, flags);

			sdhci_msm_cfg_sdiowakeup_gpio_irq(host, false);

			msm_host->sdio_pending_processing = false;

			spin_unlock_irqrestore(&host->lock, flags);

		}

	}
@@ -4422,6 +4423,7 @@ static int sdhci_msm_cfg_sdio_wakeup(struct sdhci_host *host, bool enable) 
	if (!(host->mmc->card && mmc_card_sdio(host->mmc->card) &&

	      sdhci_is_valid_gpio_wakeup_int(msm_host) &&

	      mmc_card_wake_sdio_irq(host->mmc))) {

		msm_host->sdio_pending_processing = false;

		return 1;

	}