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authorAdrian Hunter <adrian.hunter@intel.com>2017-03-20 20:50:32 +0300
committerUlf Hansson <ulf.hansson@linaro.org>2017-04-24 22:41:26 +0300
commitd38dcad4e7b48f3d68d5d058f8f4f52a99862e6e (patch)
tree654812cebbf2ed25a161d9b405f038fe20d381a8 /drivers/mmc/host/sdhci-of-arasan.c
parent5a436cc0af6202265de0d2d2d35f1b4fd85caf3b (diff)
downloadlinux-d38dcad4e7b48f3d68d5d058f8f4f52a99862e6e.tar.xz
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-of-arasan.c')
-rw-r--r--drivers/mmc/host/sdhci-of-arasan.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index 1cfd7f900339..28feb5367c14 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -315,6 +315,9 @@ static int sdhci_arasan_suspend(struct device *dev)
struct sdhci_arasan_data *sdhci_arasan = sdhci_pltfm_priv(pltfm_host);
int ret;
+ if (host->tuning_mode != SDHCI_TUNING_MODE_3)
+ mmc_retune_needed(host->mmc);
+
ret = sdhci_suspend_host(host);
if (ret)
return ret;