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mmc: sdhci-of-esdhc: support commands with busy response expecting TC 

The IP versions older than 2.3 didn't support commands with busy
response which expect the TC bit set. But after the VVN2.3, eSDHC
IP has supported it.

Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
This commit is contained in:
Jerry Huang 2012-11-23 17:25:03 +08:00 committed by Chris Ball
parent ab5023efdc
commit 3cf38833c7
1 changed files with 3 additions and 0 deletions
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3
drivers/mmc/host/sdhci-of-esdhc.c
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@ -177,6 +177,9 @@ static void esdhc_of_platform_init(struct sdhci_host *host)
vvn = (vvn & SDHCI_VENDOR_VER_MASK) >> SDHCI_VENDOR_VER_SHIFT;
if (vvn == VENDOR_V_22)
host->quirks2 |= SDHCI_QUIRK2_HOST_NO_CMD23;
if (vvn > VENDOR_V_22)
host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
}
static struct sdhci_ops sdhci_esdhc_ops = {