mmc: sdhci-esdhc-imx: fix timeout on i.MX's sdhci
This patch fixes timeout problems on i.MX's sdhci as suggested by
Richard Zhu.
Tested on:
- i.MX257: not needed
- i.MX357: needed
- i.MX515: needed
More details can be found here:
http://lists.infradead.org/pipermail/linux-arm-kernel/2010-October/029748.html
Signed-off-by: Eric Bénard <eric@eukrea.com>
Tested-by: Shawn Guo <shawn.gsc@gmail.com>
Acked-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 2e9cca1..28e63ef 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -17,6 +17,7 @@
#include <linux/clk.h>
#include <linux/mmc/host.h>
#include <linux/mmc/sdhci-pltfm.h>
+#include <mach/hardware.h>
#include "sdhci.h"
#include "sdhci-pltfm.h"
#include "sdhci-esdhc.h"
@@ -112,6 +113,9 @@
clk_enable(clk);
pltfm_host->clk = clk;
+ if (cpu_is_mx35() || cpu_is_mx51())
+ host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
+
return 0;
}