From: Jerry Huang <[email protected]>

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

Signed-off-by: Jerry Huang <[email protected]>
CC: Anton Vorontsov <[email protected]>
CC: Chris Ball <[email protected]>
---
 drivers/mmc/host/sdhci-of-esdhc.c |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/mmc/host/sdhci-of-esdhc.c 
b/drivers/mmc/host/sdhci-of-esdhc.c
index 63d219f..cfabc43 100644
--- a/drivers/mmc/host/sdhci-of-esdhc.c
+++ b/drivers/mmc/host/sdhci-of-esdhc.c
@@ -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 = {
-- 
1.7.9.5


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