On Wed, 17 Oct 2018 at 16:50, Aaro Koskinen wrote:
>
> Hi,
>
> On Wed, Oct 17, 2018 at 03:38:07PM +0200, Mathieu Malaterre wrote:
> > Since CONFIG_PREEMPT has been 'y' since at least commit 0752f92934292
> > could you confirm that the original mmc driver (kernel from imgtech
> > people) did work o
Hi,
On Wed, Oct 17, 2018 at 03:38:07PM +0200, Mathieu Malaterre wrote:
> Since CONFIG_PREEMPT has been 'y' since at least commit 0752f92934292
> could you confirm that the original mmc driver (kernel from imgtech
> people) did work ok with PREEMPT_NONE (sorry I did not do my homework)
> ?
Sorry,
On Sun, 2018-10-14 at 20:04 +0300, Aaro Koskinen wrote:
> Hi,
>
> There is something wrong with jz4740-mmc in current mainline kernel
> (tested v4.18 and 4.19-rc, the MMC support for CI20 does not exist
> prior those), as the DMA support does not work properly if I disable
> kernel pre-emption. Th
Hi,
On Sun, Oct 14, 2018 at 7:04 PM Aaro Koskinen wrote:
>
> Hi,
>
> There is something wrong with jz4740-mmc in current mainline kernel
> (tested v4.18 and 4.19-rc, the MMC support for CI20 does not exist
> prior those), as the DMA support does not work properly if I disable
> kernel pre-emption
Hi,
There is something wrong with jz4740-mmc in current mainline kernel
(tested v4.18 and 4.19-rc, the MMC support for CI20 does not exist
prior those), as the DMA support does not work properly if I disable
kernel pre-emption. The console gets flooded with:
[ 16.461094] jz4740-mmc 1345.mmc
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