On Wed, Mar 2, 2016 at 6:30 AM, Arnd Bergmann <arnd@xxxxxxxx> wrote:
> On Tuesday 01 March 2016 13:32:43 Alexandre Courbot wrote:
>> */
>> - if (!(host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA))) {
>> + if (!(host->flags & (SDHCI_USE_SDMA | SDHCI_USE_ADMA)))
>> host->dma_mask = DMA_BIT_MASK(64);
>> - mmc_dev(mmc)->dma_mask = &host->dma_mask;
>> - }
>> +
>> + if (host->dma_mask &&
>> + dma_set_mask_and_coherent(mmc_dev(mmc), host->dma_mask))
>> + pr_warn("%s: cannot set DMA mask\n", mmc_hostname(mmc));
>>
>
> Looks good,
>
> Acked-by: Arnd Bergmann <arnd@xxxxxxxx>
Withdrawing this patch after discussing with Arnd. The test detects
devices that are not capable of DMA, so it makes no sense to call a
DMA function right after that.
A better solution to the problem this patch tried to solve is on the way.
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