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SubjectRe: [PATCH] usb: musb: jz4740: Prevent lockup when CONFIG_SMP is set
Hi Bin,

The patch it fixes was introduced in 5.7-rc1, is it possible to queue
it for the next -rc? Otherwise I'll need to Cc it to linux-stable.

-Paul

Le jeu. 21 mai 2020 à 15:34, Bin Liu <b-liu@ti.com> a écrit :
> On Wed, May 20, 2020 at 05:01:11PM +0200, Paul Cercueil wrote:
>> The function dma_controller_irq() locks up the exact same spinlock
>> we
>> locked before calling it, which obviously resulted in a deadlock
>> when
>> CONFIG_SMP was enabled. This flew under the radar as none of the
>> boards
>> supported by this driver needs SMP.
>>
>> Fixes: 57aadb46bd63 ("usb: musb: jz4740: Add support for DMA")
>> Signed-off-by: Paul Cercueil <paul@crapouillou.net>
>
> Queued for v5.8. Thanks.
> -Bin.


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