RE: [PATCH v3] mmc: renesas_sdhi: Fix rounding errors

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Hi Wolfram,

> Subject: Re: [PATCH v3] mmc: renesas_sdhi: Fix rounding errors
> 
> On Thu, Sep 22, 2022 at 09:55:11AM +0100, Biju Das wrote:
> > Due to clk rounding errors on RZ/G2L platforms, it selects a clock
> > source with a lower clock rate compared to a higher one.
> > For eg:- (533333333 Hz / 4 * 4 = 533333332 Hz < 533333333 Hz).
> >
> > This patch fixes this issue by adding a margin of (1/1024) higher to
> > the clock rate.
> >
> > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
> 
> Despite the discussion about the comments, the patch does not change
> any clock selection on my R-Car M3-N based Salvator-XS, both for eMMC
> and some SD cards. So:
> 
> Tested-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>

Thanks for testing. I have incorporated the review comments and send v4.

Cheers,
Biju





[Index of Archives]     [Linux Memonry Technology]     [Linux USB Devel]     [Linux Media]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux