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mmc: sdhci: add quirk for broken HS200 support

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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>
This commit is contained in:
David Cohen
2013-10-29 10:58:26 -07:00
committed by Chris Ball
parent e3ec3a3d11
commit 13868bf20f
2 changed files with 4 additions and 1 deletions
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3
drivers/mmc/host/sdhci.c
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@@ -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;