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| author | Adrian Hunter <adrian.hunter@intel.com> | 2017-03-20 18:50:32 +0100 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2017-04-24 21:41:26 +0200 |
| commit | d38dcad4e7b48f3d68d5d058f8f4f52a99862e6e (patch) | |
| tree | 654812cebbf2ed25a161d9b405f038fe20d381a8 /drivers/mmc/host/sdhci-s3c.c | |
| parent | mmc: sdhci: Optimize delay loops (diff) | |
| download | linux-d38dcad4e7b48f3d68d5d058f8f4f52a99862e6e.tar.xz linux-d38dcad4e7b48f3d68d5d058f8f4f52a99862e6e.zip | |
mmc: sdhci: Let drivers decide whether to use mmc_retune_needed() with pm
Devices might save and restore tuning values so that re-tuning might not be
needed after a pm transition. Let drivers decide by pushing the
mmc_retune_needed() logic down to them.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Diffstat (limited to 'drivers/mmc/host/sdhci-s3c.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-s3c.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c index 3e5c83d435ae..d02284da2ec6 100644 --- a/drivers/mmc/host/sdhci-s3c.c +++ b/drivers/mmc/host/sdhci-s3c.c @@ -743,6 +743,9 @@ static int sdhci_s3c_suspend(struct device *dev) { struct sdhci_host *host = dev_get_drvdata(dev); + if (host->tuning_mode != SDHCI_TUNING_MODE_3) + mmc_retune_needed(host->mmc); + return sdhci_suspend_host(host); } @@ -764,6 +767,9 @@ static int sdhci_s3c_runtime_suspend(struct device *dev) ret = sdhci_runtime_suspend_host(host); + if (host->tuning_mode != SDHCI_TUNING_MODE_3) + mmc_retune_needed(host->mmc); + if (ourhost->cur_clk >= 0) clk_disable_unprepare(ourhost->clk_bus[ourhost->cur_clk]); clk_disable_unprepare(busclk); |