From 13868bf20f2f2c305f96e23620b024e167d6f9cb Mon Sep 17 00:00:00 2001 From: David Cohen Date: Tue, 29 Oct 2013 10:58:26 -0700 Subject: mmc: sdhci: add quirk for broken HS200 support This patch defines a quirk for platforms unable to enable HS200 support. Signed-off-by: David Cohen Reviewed-by: Chuanxiao Dong Acked-by: Dong Aisheng Cc: stable # [3.13] Signed-off-by: Chris Ball --- drivers/mmc/host/sdhci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/mmc') diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index cc00bed3e200..ec3eb30845c7 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3016,7 +3016,8 @@ int sdhci_add_host(struct sdhci_host *host) /* SD3.0: SDR104 is supported so (for eMMC) the caps2 * field can be promoted to support HS200. */ - mmc->caps2 |= MMC_CAP2_HS200; + if (!(host->quirks2 & SDHCI_QUIRK2_BROKEN_HS200)) + mmc->caps2 |= MMC_CAP2_HS200; } else if (caps[1] & SDHCI_SUPPORT_SDR50) mmc->caps |= MMC_CAP_UHS_SDR50; -- cgit v1.2.3