mmc: sdhci-msm: use PIO for tuning commands



There are issues with ADMA when used with ICE enabled for tuning
commands. As a workaround, use PIO mode for these commands by
enabling quirk SDHCI_QUIRK2_USE_PIO_FOR_EMMC_TUNING .

Change-Id: I8dbec823938525af90fb990db1bb4b325ee23cba
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>

parent e113b07e

drivers/mmc/host/sdhci-msm.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -4156,6 +4156,7 @@ static int sdhci_msm_probe(struct platform_device *pdev)
		host->quirks2 \|= SDHCI_QUIRK2_BROKEN_PRESET_VALUE;
		host->quirks2 \|= SDHCI_QUIRK2_USE_RESERVED_MAX_TIMEOUT;
		host->quirks2 \|= SDHCI_QUIRK2_NON_STANDARD_TUNING;
		host->quirks2 \|= SDHCI_QUIRK2_USE_PIO_FOR_EMMC_TUNING;

		if (host->quirks2 & SDHCI_QUIRK2_ALWAYS_USE_BASE_CLOCK)
		host->quirks2 \|= SDHCI_QUIRK2_DIVIDE_TOUT_BY_4;