Re: [PATCH v5 1/5] mmc: sdhci-of-esdhc: add erratum eSDHC5 support

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

 



On Mon, 11 Mar 2019 at 03:16, Yinbo Zhu <yinbo.zhu@xxxxxxx> wrote:
>
> From: Yinbo Zhu <yinbo.zhu@xxxxxxx>
>
> Software writing to the Transfer Type configuration register
> (system clock domain) can cause a setup/hold violation in the
> CRC flops (card clock domain), which can cause write accesses
> to be sent with corrupt CRC values. This issue occurs only for
> write preceded by read. this erratum is to fix this issue.
>
> Signed-off-by: Yinbo Zhu <yinbo.zhu@xxxxxxx>
> Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

The series applied for next, thanks!

Kind regards
Uffe


> ---
>  drivers/mmc/host/sdhci-of-esdhc.c | 3 +++
>  1 file changed, 3 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-of-esdhc.c b/drivers/mmc/host/sdhci-of-esdhc.c
> index 4e669b4edfc1..9da53e548691 100644
> --- a/drivers/mmc/host/sdhci-of-esdhc.c
> +++ b/drivers/mmc/host/sdhci-of-esdhc.c
> @@ -1074,6 +1074,9 @@ static int sdhci_esdhc_probe(struct platform_device *pdev)
>         if (esdhc->vendor_ver > VENDOR_V_22)
>                 host->quirks &= ~SDHCI_QUIRK_NO_BUSY_IRQ;
>
> +       if (of_find_compatible_node(NULL, NULL, "fsl,p2020-esdhc"))
> +               host->quirks2 |= SDHCI_QUIRK_RESET_AFTER_REQUEST;
> +
>         if (of_device_is_compatible(np, "fsl,p5040-esdhc") ||
>             of_device_is_compatible(np, "fsl,p5020-esdhc") ||
>             of_device_is_compatible(np, "fsl,p4080-esdhc") ||
> --
> 2.17.1
>



[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