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@xxxxxx> 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@xxxxxxxxxxxxxxx>
Queued for v5.8. Thanks.
-Bin.