diff options
| -rw-r--r-- | drivers/mmc/host/sh_mobile_sdhi.c | 11 | ||||
| -rw-r--r-- | include/linux/mmc/tmio.h | 1 |
2 files changed, 12 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. */ diff --git a/include/linux/mmc/tmio.h b/include/linux/mmc/tmio.h index a1c1f321e519..84d9053b5dca 100644 --- a/include/linux/mmc/tmio.h +++ b/include/linux/mmc/tmio.h @@ -33,6 +33,7 @@ #define CTL_SDIO_IRQ_MASK 0x38 #define CTL_DMA_ENABLE 0xd8 #define CTL_RESET_SD 0xe0 +#define CTL_VERSION 0xe2 #define CTL_SDIO_REGS 0x100 #define CTL_CLK_AND_WAIT_CTL 0x138 #define CTL_RESET_SDIO 0x1e0 |