From: Weijun Yang <york.y...@csr.com>

CMD19 tuning is also available for DDR50 mode.

Signed-off-by: Weijun Yang <york.y...@csr.com>
Signed-off-by: Barry Song <baohua.s...@csr.com>
---
 drivers/mmc/host/sdhci.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 64b7fdb..2ea30fa 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1893,9 +1893,9 @@ 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 DDR5
+        * 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.
         */
@@ -1915,6 +1915,7 @@ 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:
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to