Messages in this thread | | | From | Andy Shevchenko <> | Date | Mon, 26 Feb 2018 16:40:34 +0200 | Subject | Re: [PATCH 1/2 v3] mmc: dw_mmc: Fix the DTO timeout overflow calculation for 32-bit systems |
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On Mon, Feb 26, 2018 at 4:34 PM, Evgeniy Didin <Evgeniy.Didin@synopsys.com> wrote: > In commit 9d9491a7da2a ("mmc: dw_mmc: Fix the DTO timeout calculation") have been made > changes which cause multiply overflow for 32-bit systems. > The broken timeout calculations caused false interrupt latency warnings > and stacktrace splat (such as below) when accessing the SD Card.
> + drto_ms = DIV_ROUND_UP((u64)MSEC_PER_SEC * drto_clks * drto_div, > host->bus_hz);
Same as per patch 2.
-- With Best Regards, Andy Shevchenko
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