On 1 December 2017 at 11:01, Linus Walleij <linus.walleij@xxxxxxxxxx> wrote:
> On Mon, Nov 27, 2017 at 11:28 AM, Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
>
>> The commit de3ee99b097d ("mmc: Delete bounce buffer handling") deletes the
>> bounce buffer handling, but also causes the max_req_size for sdhci to be
>> increased, in case when max_segs == 1. This causes errors for sdhci-pci
>> Ricoh variant, about the swiotlb buffer to become full.
>>
>> Fix the issue, by taking IO_TLB_SEGSIZE and IO_TLB_SHIFT into account when
>> deciding the max_req_size for sdhci.
>>
>> Reported-by: Jiri Slaby <jslaby@xxxxxxx>
>> Fixes: de3ee99b097d ("mmc: Delete bounce buffer handling")
>> Cc: <stable@xxxxxxxxxxxxxxx> # v4.14+
>> Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>> Tested-by: Jiri Slaby <jslaby@xxxxxxx>
>
> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
Sorry, but this was too late, I just sent the PR to Linus.
Thanks anyway!
[...]
Kind regards
Uffe