Re: [PATCH 0/2] atmel-mci and maybe android-goldfish broken on 4.18

[Ulf Hansson <ulf.hansson@linaro.org>]

On 20 August 2018 at 10:54, Ludovic Desroches
<ludovic.desroches@microchip.com> wrote:
> Hi,
>
> Dougas Gilbert noticed that atmel-mci was broken with the 4.18 release.
> He found the culprit commit which is 5b4277814e3fd
> ("[PATCH 2/7] mmc: atmel-mci: use sg_copy_{from,to}_buffer"). The from/to
> logic was inverted: sg_copy_to_buffer copies from an SG list to a linear
> buffer so it can't replace a memcpy where the destination is the virtual
> address of an SG buffer.
>
> This patch was part of "make more host drivers highmem safe v2". It seems
> there is the same logical error within the android-goldfish driver but I
> couldn't check it on real hardware.
>
> Ludovic Desroches (2):
>   mmc: atmel-mci: fix bad logic of sg_copy_{from,to}_buffer conversion
>   mmc: android-goldfish: fix bad logic of sg_copy_{from,to}_buffer
>     conversion
>
>  drivers/mmc/host/android-goldfish.c |  4 ++--
>  drivers/mmc/host/atmel-mci.c        | 12 ++++++------
>  2 files changed, 8 insertions(+), 8 deletions(-)
>

Thanks, applied for fixes!

Kind regards
Uffe