Thanks! Applied.
tor 2014-07-03 klockan 16:56 +0800 skrev Wills Wang:
> ---
> drivers/mmc/sunxi_mmc.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
> index bbfe8a3..f0cb760 100644
> --- a/drivers/mmc/sunxi_mmc.c
> +++ b/drivers/mmc/sunxi_mmc.c
> @@ -173,8 +173,6 @@ static int mmc_core_init(struct mmc *mmc)
> /* Reset controller */
> writel(SUNXI_MMC_GCTRL_RESET, &mmchost->reg->gctrl);
> udelay(1000);
> - /* Always read / write data through the CPU */
> - writel(SUNXI_MMC_GCTRL_ACCESS_BY_AHB, &mmchost->reg->gctrl);
>
> return 0;
> }
> @@ -189,6 +187,13 @@ static int mmc_trans_data_by_cpu(struct mmc *mmc, struct
> mmc_data *data)
> unsigned byte_cnt = data->blocksize * data->blocks;
> unsigned timeout_msecs = 2000;
> unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
> + unsigned int gctrl;
> +
> + /* Always read / write data through the CPU */
> + gctrl = readl(&mmchost->reg->gctrl);
> + gctrl &= ~SUNXI_MMC_GCTRL_ACCESS_BY_AHB;
> + gctrl |= SUNXI_MMC_GCTRL_ACCESS_BY_AHB;
> + writel(gctrl, &mmchost->reg->gctrl);
>
> for (i = 0; i < (byte_cnt >> 2); i++) {
> while (readl(&mmchost->reg->status) & status_bit) {
> --
> 1.8.3.2
>
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