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

[Minkyu Kang]

Dear Amar,

On 27/03/13 14:18, Amarendra Reddy wrote:
> Dear Minkyu,
> 

please don't top posting.

> The definition of "RX_WMARK" is present in "[PATCH V7 04/10] EXYNOS5: DWMMC: Added FDT support for DWMMC".
> 
> Here is the URL, http://www.mail-archive.com/u-boot@lists.denx.de/msg107515.html

Then please move it to this patch.

> 
> Thanks & Regards
> Amarendra Reddy
> 
> On 27 March 2013 10:33, Minkyu Kang <mk7.kang at samsung.com <mailto:mk7.kang at samsung.com>> wrote:
> 
>     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 <mailto: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.
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> 
> 

Thanks,
Minkyu Kang.