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| author | Adrian Hunter | 2017-03-20 18:50:32 +0100 |
|---|---|---|
| committer | Ulf Hansson | 2017-04-24 21:41:26 +0200 |
| commit | d38dcad4e7b48f3d68d5d058f8f4f52a99862e6e (patch) | |
| tree | 654812cebbf2ed25a161d9b405f038fe20d381a8 /drivers/mmc/host/sdhci-pxav3.c | |
| parent | mmc: sdhci: Optimize delay loops (diff) | |
| download | kernel-qcow2-linux-d38dcad4e7b48f3d68d5d058f8f4f52a99862e6e.tar.gz kernel-qcow2-linux-d38dcad4e7b48f3d68d5d058f8f4f52a99862e6e.tar.xz kernel-qcow2-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-pxav3.c')
| -rw-r--r-- | drivers/mmc/host/sdhci-pxav3.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-pxav3.c b/drivers/mmc/host/sdhci-pxav3.c index 132670a612a0..22ed90433d29 100644 --- a/drivers/mmc/host/sdhci-pxav3.c +++ b/drivers/mmc/host/sdhci-pxav3.c @@ -527,6 +527,8 @@ static int sdhci_pxav3_suspend(struct device *dev) struct sdhci_host *host = dev_get_drvdata(dev); pm_runtime_get_sync(dev); + if (host->tuning_mode != SDHCI_TUNING_MODE_3) + mmc_retune_needed(host->mmc); ret = sdhci_suspend_host(host); pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); @@ -560,6 +562,9 @@ static int sdhci_pxav3_runtime_suspend(struct device *dev) if (ret) return ret; + if (host->tuning_mode != SDHCI_TUNING_MODE_3) + mmc_retune_needed(host->mmc); + clk_disable_unprepare(pxa->clk_io); if (!IS_ERR(pxa->clk_core)) clk_disable_unprepare(pxa->clk_core); |