Re: [PATCH] spi: spi-s3c64xx: Fix system resume support

[Andi Shyti <andi@xxxxxxxxxxx>]

Hi Marek,

On Wed, May 16, 2018 at 10:42:39AM +0200, Marek Szyprowski wrote:
> Since Linux v4.10 release (commit 1d9174fbc55e "PM / Runtime: Defer
> resuming of the device in pm_runtime_force_resume()"),
> pm_runtime_force_resume() function doesn't runtime resume device if it was
> not runtime active before system suspend. Thus, driver should not do any
> register access after pm_runtime_force_resume() without checking the
> runtime status of the device. To fix this issue, simply move
> s3c64xx_spi_hwinit() call to s3c64xx_spi_runtime_resume() to ensure that
> hardware is always properly initialized. This fixes Synchronous external
> abort issue on system suspend/resume cycle on newer Exynos SoCs.
> 
> Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>

Acked-by: Andi Shyti <andi@xxxxxxxxxxx>

Thank you,
Andi
--
To unsubscribe from this list: send the line "unsubscribe linux-spi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html