diff options
author | Weijun Yang <york.yang@csr.com> | 2015-10-04 15:04:12 +0300 |
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committer | Ulf Hansson <ulf.hansson@linaro.org> | 2015-10-26 18:00:04 +0300 |
commit | 9faac7b95ea4f9e83b7a914084cc81ef1632fd91 (patch) | |
tree | aa9a844b17a94c47e262283384043e25aede4bfe /drivers/mmc/host/sdhci.c | |
parent | 4324f6de6d2eb9b232410eb0d67bfafdde8ba711 (diff) | |
download | linux-9faac7b95ea4f9e83b7a914084cc81ef1632fd91.tar.xz |
mmc: sdhci: enable tuning for DDR50
CMD19 tuning is also available for DDR50 mode.
Signed-off-by: Weijun Yang <york.yang@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host/sdhci.c')
-rw-r--r-- | drivers/mmc/host/sdhci.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 2cadf0891f15..b48565ed5616 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -1895,9 +1895,9 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) tuning_count = host->tuning_count; /* - * The Host Controller needs tuning only in case of SDR104 mode - * and for SDR50 mode when Use Tuning for SDR50 is set in the - * Capabilities register. + * The Host Controller needs tuning in case of SDR104 and DDR50 + * mode, and for SDR50 mode when Use Tuning for SDR50 is set in + * the Capabilities register. * If the Host Controller supports the HS200 mode then the * tuning function has to be executed. */ @@ -1917,6 +1917,7 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode) break; case MMC_TIMING_UHS_SDR104: + case MMC_TIMING_UHS_DDR50: break; case MMC_TIMING_UHS_SDR50: |