[U-Boot] [PATCH] mmc: add no simultaenous power and vdd
RgC
sessyargc at gmail.com
Sun Nov 4 01:10:18 CET 2012
Bring in the code from Linux kernel.
Signed-off-by: RgC <sessyargc at gmail.com>
CC: Andy Fleming <afleming at freescale.com>
modified: drivers/mmc/sdhci.c
modified: include/sdhci.h
---
drivers/mmc/sdhci.c | 3 +++
include/sdhci.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 7845f87..b9cbe34 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -340,6 +340,9 @@ static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
return;
}
+ if (host->quirks & SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER)
+ sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
+
pwr |= SDHCI_POWER_ON;
sdhci_writeb(host, pwr, SDHCI_POWER_CONTROL);
diff --git a/include/sdhci.h b/include/sdhci.h
index c44793d..cffbe53 100644
--- a/include/sdhci.h
+++ b/include/sdhci.h
@@ -225,6 +225,7 @@
#define SDHCI_QUIRK_BROKEN_VOLTAGE (1 << 4)
#define SDHCI_QUIRK_NO_CD (1 << 5)
#define SDHCI_QUIRK_WAIT_SEND_CMD (1 << 6)
+#define SDHCI_QUIRK_NO_SIMULT_VDD_AND_POWER (1 << 7)
/* to make gcc happy */
struct sdhci_host;
--
1.8.0
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