Commit 256e4e4e authored by Manish Narani's avatar Manish Narani Committed by Ulf Hansson
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mmc: sdhci-of-arasan: Skip Auto tuning for DDR50 mode in ZynqMP platform 



ZynqMP platform does not perform auto tuning in DDR50 mode. Skip the
same while the card is operating in DDR50 mode.

Signed-off-by: default avatarManish Narani <manish.narani@xilinx.com>
Acked-by: default avatarAdrian Hunter <adrian.hunter@intel.com>
Link: https://lore.kernel.org/r/1623753837-21035-4-git-send-email-manish.narani@xilinx.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 25a91664

drivers/mmc/host/sdhci-of-arasan.c

+4 −0
Original line number Diff line number Diff line
@@ -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);