On 07/28/2016 11:25 AM, Xu Ziyuan wrote:
The former implement, dw_mmc will push and pop the redundant data to FIFO, we should transfer it according to the real size.
Signed-off-by: Ziyuan Xu xzy.xu@rock-chips.com Acked-by: Jaehoon Chung jh80.chung@samsung.com Reviewed-by: Simon Glass sjg@chromium.org Reviewed-by: Shawn Lin shawn.lin@rock-chips.com
Applied on u-boot-mmc. Thanks!
Best Regards, Jaehoon Chung
drivers/mmc/dw_mmc.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c index 2cf7bae..38d4a64 100644 --- a/drivers/mmc/dw_mmc.c +++ b/drivers/mmc/dw_mmc.c @@ -126,6 +126,7 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data) len = dwmci_readl(host, DWMCI_STATUS); len = (len >> DWMCI_FIFO_SHIFT) & DWMCI_FIFO_MASK;
len = min(size, len); for (i = 0; i < len; i++) *buf++ = dwmci_readl(host, DWMCI_DATA);@@ -139,6 +140,7 @@ static int dwmci_data_transfer(struct dwmci_host *host, struct mmc_data *data) len = fifo_depth - ((len >> DWMCI_FIFO_SHIFT) & DWMCI_FIFO_MASK);
len = min(size, len); for (i = 0; i < len; i++) dwmci_writel(host, DWMCI_DATA, *buf++);