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Commit 759947b4 authored by Pavan Anamula's avatar Pavan Anamula
Browse files

mmc: sdhci-msm: disable runtime pm and clock gating for SDIO 



Disable power management features for SDIO as the current code is
not ready to enable it.

Change-Id: I234ebf6cc46d2a3b70bf9ba3f94b4b1abc1acd44
Signed-off-by: default avatarPavan Anamula <pavana@codeaurora.org>
parent af510f99

drivers/mmc/core/host.c

+7 −2
Original line number Diff line number Diff line
@@ -190,8 +190,13 @@ bool mmc_host_may_gate_card(struct mmc_card *card) 
	 * SDIO3.0 card allows the clock to be gated off so check if

	 * that is the case or not.

	 */

	if (mmc_card_sdio(card) && card->cccr.async_intr_sup)

	if (mmc_card_sdio(card) && card->cccr.async_intr_sup) {

		if (mmc_enable_qca6574_settings(card) ||

				mmc_enable_qca9377_settings(card))

			return false;

		else

			return true;

	}



	/*

	 * Don't gate SDIO cards! These need to be clocked at all times

drivers/mmc/host/sdhci-msm.c

+13 −0
Original line number Diff line number Diff line
@@ -4295,6 +4295,12 @@ static int sdhci_msm_runtime_suspend(struct device *dev) 
	ktime_t start = ktime_get();

	int ret;



	if (host->mmc->card && mmc_card_sdio(host->mmc->card)) {

		if (mmc_enable_qca6574_settings(host->mmc->card) ||

				mmc_enable_qca9377_settings(host->mmc->card))

			return 0;

	}



	disable_irq(host->irq);

	disable_irq(msm_host->pwr_irq);
@@ -4327,6 +4333,13 @@ static int sdhci_msm_runtime_resume(struct device *dev) 
	ktime_t start = ktime_get();

	int ret;



	if (host->mmc->card && mmc_card_sdio(host->mmc->card)) {

		if (mmc_enable_qca6574_settings(host->mmc->card) ||

				mmc_enable_qca9377_settings(host->mmc->card))

			return 0;

	}





	if (host->is_crypto_en) {

		ret = sdhci_msm_enable_controller_clock(host);

		if (ret) {