ZynqMP platform does not perform auto tuning in DDR50 mode. Skip the same while the card is operating in DDR50 mode. Signed-off-by: Manish Narani <manish.narani@xxxxxxxxxx> --- drivers/mmc/host/sdhci-of-arasan.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c index b13e719..1980d0b 100644 --- a/drivers/mmc/host/sdhci-of-arasan.c +++ b/drivers/mmc/host/sdhci-of-arasan.c @@ -894,6 +894,10 @@ static int arasan_zynqmp_execute_tuning(struct mmc_host *mmc, u32 opcode) NODE_SD_1; int err; + /* ZynqMP SD controller does not perform auto tuning in DDR50 mode */ + if (mmc->ios.timing == MMC_TIMING_UHS_DDR50) + return 0; + arasan_zynqmp_dll_reset(host, device_id); err = sdhci_execute_tuning(mmc, opcode); -- 2.1.1
