[U-Boot] [PATCH 1/4] MMC: DWMMC: Modified fifo size computation

[Minkyu Kang]

Dear Amar,

On 05/12/12 22:31, Amar wrote:
> The current implementation of fifo size computation was giving improper
> values for eMMC channel. Modified the computation as per user manual.
> 
> Signed-off-by: Amarendra Reddy <amarendra.xt at samsung.com>
> ---
>  drivers/mmc/dw_mmc.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/mmc/dw_mmc.c b/drivers/mmc/dw_mmc.c
> index 4070d4e..62dc152 100644
> --- a/drivers/mmc/dw_mmc.c
> +++ b/drivers/mmc/dw_mmc.c
> @@ -332,6 +332,8 @@ static int dwmci_init(struct mmc *mmc)
>  	dwmci_writel(host, DWMCI_BMOD, 1);
>  
>  	fifo_size = dwmci_readl(host, DWMCI_FIFOTH);
> +	fifo_size = ((fifo_size & RX_WMARK(0xFFF)) >> 16) + 1;

The definition of RX_WMARK is missing.

> +
>  	if (host->fifoth_val)
>  		fifoth_val = host->fifoth_val;
>  	else
> 

Thanks,
Minkyu Kang.