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path: root/drivers/mmc/host/sh_mobile_sdhi.c
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Diffstat (limited to 'drivers/mmc/host/sh_mobile_sdhi.c')
-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 38553ae68e3a..2d6ce257a273 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -33,6 +33,8 @@
#include "tmio_mmc.h"
+#define EXT_ACC 0xe4
+
struct sh_mobile_sdhi_of_data {
unsigned long tmio_flags;
};
@@ -137,6 +139,7 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
int irq, ret, i = 0;
bool multiplexed_isr = true;
struct tmio_mmc_dma *dma_priv;
+ u16 ver;
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!res)
@@ -219,6 +222,14 @@ static int sh_mobile_sdhi_probe(struct platform_device *pdev)
goto eprobe;
/*
+ * FIXME:
+ * this Workaround can be more clever method
+ */
+ ver = sd_ctrl_read16(host, CTL_VERSION);
+ if (ver == 0xCB0D)
+ sd_ctrl_write16(host, EXT_ACC, 1);
+
+ /*
* Allow one or more specific (named) ISRs or
* one or more multiplexed (un-named) ISRs.
*/