On Tue, Jun 02, 2015 at 04:37:09PM +0200, Jakub Kicinski wrote:
> Please include following patch from Linus' tree in the 3.18 branch.
> Without it SDHC is unusable on Freescale P2020. Thanks!
>
It looks like this fix is also applicable to the 3.16 kernel. I'll
queue it for the next release.
Cheers,
--
Luís
>
> commit 556b5f33513f16450e8bb803c82a24377b94a34e
> From: Alessio Igor Bogani <alessio.bogani@xxxxxxxxxx>
> Date: Tue, 9 Dec 2014 09:40:38 +0100
>
> mmc: sdhci: Fix FSL ESDHC reset handling quirk
>
> The commit 0718e59ae259 ("mmc: sdhci: move FSL ESDHC reset handling quirk into
> esdhc code") states that Freescale esdhc is the only controller which needs
> the interrupt registers restored after a reset. So it moves
> SDHCI_QUIRK_RESTORE_IRQS_AFTER_RESET quirk handling code into the
> esdhc-imx driver only. Unfortunately the same controller is used in
> other boards which use the of-esdhc driver instead (like powerpc P2020).
>
> Restore interrupts after reset in the sdhci-of-esdhc driver also.
>
> Signed-off-by: Alessio Igor Bogani <alessio.bogani@xxxxxxxxxx>
> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>
> drivers/mmc/host/sdhci-of-esdhc.c | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
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