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authoryangbo lu <yangbo.lu@nxp.com>2017-08-15 04:16:47 +0200
committerUlf Hansson <ulf.hansson@linaro.org>2017-08-30 15:03:36 +0200
commit501639bf2173ec142c48e67d391833a54965c912 (patch)
treed577774a9f2743de175af708fe08da636f4eeccf
parentmmc: sdhci-s3c: use generic sdhci_set_bus_width() (diff)
downloadlinux-501639bf2173ec142c48e67d391833a54965c912.tar.xz
linux-501639bf2173ec142c48e67d391833a54965c912.zip
mmc: sdhci: fix SDHCI_QUIRK_NO_HISPD_BIT handling
SD controller with SDHCI_QUIRK_NO_HISPD_BIT quirk probably use high speed enable bit for other purpose. So this bit shouldn't be changed for high speed enabling for this type of SD controller. Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/sdhci.c27
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 1fda50855e31..5afc72f09a2a 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1640,19 +1640,20 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
ctrl = sdhci_readb(host, SDHCI_HOST_CONTROL);
- if ((ios->timing == MMC_TIMING_SD_HS ||
- ios->timing == MMC_TIMING_MMC_HS ||
- ios->timing == MMC_TIMING_MMC_HS400 ||
- ios->timing == MMC_TIMING_MMC_HS200 ||
- ios->timing == MMC_TIMING_MMC_DDR52 ||
- ios->timing == MMC_TIMING_UHS_SDR50 ||
- ios->timing == MMC_TIMING_UHS_SDR104 ||
- ios->timing == MMC_TIMING_UHS_DDR50 ||
- ios->timing == MMC_TIMING_UHS_SDR25)
- && !(host->quirks & SDHCI_QUIRK_NO_HISPD_BIT))
- ctrl |= SDHCI_CTRL_HISPD;
- else
- ctrl &= ~SDHCI_CTRL_HISPD;
+ if (!(host->quirks & SDHCI_QUIRK_NO_HISPD_BIT)) {
+ if (ios->timing == MMC_TIMING_SD_HS ||
+ ios->timing == MMC_TIMING_MMC_HS ||
+ ios->timing == MMC_TIMING_MMC_HS400 ||
+ ios->timing == MMC_TIMING_MMC_HS200 ||
+ ios->timing == MMC_TIMING_MMC_DDR52 ||
+ ios->timing == MMC_TIMING_UHS_SDR50 ||
+ ios->timing == MMC_TIMING_UHS_SDR104 ||
+ ios->timing == MMC_TIMING_UHS_DDR50 ||
+ ios->timing == MMC_TIMING_UHS_SDR25)
+ ctrl |= SDHCI_CTRL_HISPD;
+ else
+ ctrl &= ~SDHCI_CTRL_HISPD;
+ }
if (host->version >= SDHCI_SPEC_300) {
u16 clk, ctrl_2;