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authorDavid Cohen <david.a.cohen@linux.intel.com>2013-10-29 10:58:26 -0700
committerChris Ball <chris@printf.net>2014-01-13 13:03:18 -0500
commit13868bf20f2f2c305f96e23620b024e167d6f9cb (patch)
tree11b34288e2009f38e31bdb49052300f59c5f8be2 /drivers/mmc
parente3ec3a3d11adf33c2e6ead1642b7e601b7a1b2df (diff)
downloadlinux-13868bf20f2f2c305f96e23620b024e167d6f9cb.tar.bz2
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 <david.a.cohen@linux.intel.com> Reviewed-by: Chuanxiao Dong <chuanxiao.dong@intel.com> Acked-by: Dong Aisheng <b29396@freescale.com> Cc: stable <stable@vger.kernel.org> # [3.13] Signed-off-by: Chris Ball <chris@printf.net>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/host/sdhci.c3
1 files changed, 2 insertions, 1 deletions
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;