evie/android_kernel_oneplus_msm8998
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mmc: core: Add mmc tracing events in suspend and resume

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Add mmc tracing events in suspend and resume.

Change-Id: I5ca1c3f667003c4b4224b65d2a5db50766b44d75
Signed-off-by: Sayali Lokhande <sayalil@codeaurora.org>
This commit is contained in:
Sayali Lokhande 2016-12-12 08:48:37 +05:30
parent fc9fbe345b
commit 94112c0a58
3 changed files with 12 additions and 2 deletions
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5
drivers/mmc/core/mmc.c
View file

@ -2619,6 +2619,7 @@ 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);
@ -2627,6 +2628,7 @@ 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;
}
@ -2702,6 +2704,7 @@ 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);
@ -2711,7 +2714,7 @@ 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;
}

4
drivers/mmc/core/sd.c
View file

@ -1222,11 +1222,13 @@ 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;
}
@ -1292,12 +1294,14 @@ 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;
}

5
drivers/mmc/core/sdio.c
View file

@ -998,6 +998,7 @@ 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__);
mmc_claim_host(host);
if (mmc_card_keep_power(host) && mmc_card_wake_sdio_irq(host))
@ -1013,7 +1014,7 @@ static int mmc_sdio_suspend(struct mmc_host *host)
}
mmc_release_host(host);
MMC_TRACE(host, "%s: Exit\n", __func__);
return 0;
}
@ -1024,6 +1025,7 @@ 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);
@ -1079,6 +1081,7 @@ 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;
}