From: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx>
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 <Chang-Ming.Huang@xxxxxxxxxxxxx>
CC: Anton Vorontsov <cbouatmailru@xxxxxxxxx>
CC: Chris Ball <cjb@xxxxxxxxxx>
---
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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