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Commit 2cc62ce9 authored by Sayali Lokhande's avatar Sayali Lokhande Committed by Gerrit - the friendly Code Review server
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mmc: core: Add mmc tracing events in suspend and resume 



Add mmc tracing events in suspend and resume.

Change-Id: I5ca1c3f667003c4b4224b65d2a5db50766b44d75
Signed-off-by: default avatarSayali Lokhande <sayalil@codeaurora.org>
parent 7d59e1e3

drivers/mmc/core/mmc.c

+4 −1
Original line number Diff line number Diff line
@@ -2511,6 +2511,7 @@ static int mmc_suspend(struct mmc_host *host) 
	int err;

	ktime_t start = ktime_get();



	MMC_TRACE(host, "%s: Enter\n", __func__);

	err = _mmc_suspend(host, true);

	if (!err) {

		pm_runtime_disable(&host->card->dev);
@@ -2519,6 +2520,7 @@ static int mmc_suspend(struct mmc_host *host) 


	trace_mmc_suspend(mmc_hostname(host), err,

			ktime_to_us(ktime_sub(ktime_get(), start)));

	MMC_TRACE(host, "%s: Exit err: %d\n", __func__, err);

	return err;

}
@@ -2594,6 +2596,7 @@ static int mmc_resume(struct mmc_host *host) 
	int err = 0;

	ktime_t start = ktime_get();



	MMC_TRACE(host, "%s: Enter\n", __func__);

	if (!(host->caps & MMC_CAP_RUNTIME_RESUME)) {

		err = _mmc_resume(host);

		pm_runtime_set_active(&host->card->dev);
@@ -2603,7 +2606,7 @@ static int mmc_resume(struct mmc_host *host) 


	trace_mmc_resume(mmc_hostname(host), err,

			ktime_to_us(ktime_sub(ktime_get(), start)));



	MMC_TRACE(host, "%s: Exit err: %d\n", __func__, err);

	return err;

}

drivers/mmc/core/sd.c

+4 −0
Original line number Diff line number Diff line
@@ -1224,11 +1224,13 @@ static int mmc_sd_suspend(struct mmc_host *host) 
{

	int err;



	MMC_TRACE(host, "%s: Enter\n", __func__);

	err = _mmc_sd_suspend(host);

	if (!err) {

		pm_runtime_disable(&host->card->dev);

		pm_runtime_set_suspended(&host->card->dev);

	}

	MMC_TRACE(host, "%s: Exit err: %d\n", __func__, err);



	return err;

}
@@ -1294,12 +1296,14 @@ static int mmc_sd_resume(struct mmc_host *host) 
{

	int err = 0;



	MMC_TRACE(host, "%s: Enter\n", __func__);

	if (!(host->caps & MMC_CAP_RUNTIME_RESUME)) {

		err = _mmc_sd_resume(host);

		pm_runtime_set_active(&host->card->dev);

		pm_runtime_mark_last_busy(&host->card->dev);

	}

	pm_runtime_enable(&host->card->dev);

	MMC_TRACE(host, "%s: Exit err: %d\n", __func__, err);



	return err;

}

drivers/mmc/core/sdio.c

+4 −0
Original line number Diff line number Diff line
@@ -1036,6 +1036,7 @@ static int mmc_sdio_pre_suspend(struct mmc_host *host) 
 */

static int mmc_sdio_suspend(struct mmc_host *host)

{

	MMC_TRACE(host, "%s: Enter\n", __func__);

	if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host)) {

		mmc_claim_host(host);

		sdio_disable_wide(host->card);
@@ -1046,6 +1047,7 @@ static int mmc_sdio_suspend(struct mmc_host *host) 
		mmc_power_off(host);

	else if (host->ios.clock)

		mmc_gate_clock(host);

	MMC_TRACE(host, "%s: Exit\n", __func__);



	return 0;

}
@@ -1057,6 +1059,7 @@ static int mmc_sdio_resume(struct mmc_host *host) 
	BUG_ON(!host);

	BUG_ON(!host->card);



	MMC_TRACE(host, "%s: Enter\n", __func__);

	/* Basic card reinitialization. */

	mmc_claim_host(host);
@@ -1108,6 +1111,7 @@ static int mmc_sdio_resume(struct mmc_host *host) 


	host->pm_flags &= ~MMC_PM_KEEP_POWER;

	host->pm_flags &= ~MMC_PM_WAKE_SDIO_IRQ;

	MMC_TRACE(host, "%s: Exit err: %d\n", __func__, err);

	return err;

}