Message ID | 1430919731-9016-3-git-send-email-stripathi@apm.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index c80287a..e024c64 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -3199,7 +3199,8 @@ int sdhci_add_host(struct sdhci_host *host) } } - if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V) + if (host->quirks2 & SDHCI_QUIRK2_NO_1_8_V || + !(caps[0] & SDHCI_CAN_VDD_180)) caps[1] &= ~(SDHCI_SUPPORT_SDR104 | SDHCI_SUPPORT_SDR50 | SDHCI_SUPPORT_DDR50);
The sdhci framework disables SDR104/SDR50/DDR50 based on only quirk. This patch adds the support to disable SDR104/SDR50/DDR50 based on reading the capability register 0. Signed-off-by: Suman Tripathi <stripathi@apm.com> --- drivers/mmc/host/sdhci.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- 1.8.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html