Messages in this thread | | | Date | Thu, 21 May 2020 22:39:25 +0200 | From | Paul Cercueil <> | Subject | Re: [PATCH] usb: musb: jz4740: Prevent lockup when CONFIG_SMP is set |
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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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