ACK/Cmnt: [SRU] [jammy:linux-xilinx-zynqmp 0/1] Revert DMA locking fix in favor of upstream commit

[Portia Stephens]

On Tue, Jul 16, 2024 at 3:15 PM Manuel Diewald
<manuel.diewald at canonical.com> wrote:
>
> On Tue, Jul 16, 2024 at 02:12:31PM -0400, Portia Stephens wrote:
> > [ Impact ]
> > * The KV260 is currently unable to boot, this will allow the board to boot.
> >
> > [ Test Plan ]
> > * Normal certification and kernel regression testing will be run on all GM'd
> > platforms. The failure was catestrophic and was easily caught.
> >
> > [ Where problems could occur ]
> > * Xilinx has changes to the dmaengine driver that have not been upstreamed,:
> > specifically adding support for cyclic dma mode.  There is a risk that these
> > non-upstreamed changes have not been tested with this change.
> >
> > [ Other Info ]
> > * BugLink: https://bugs.launchpad.net/bugs/2072456
> > * Upstream state in original commit was incorrect.
> > * Upstream commit "dma: xilinx_dpdma: Fix locking"
> >
> > Portia Stephens (1):
> >   Revert "dmaengine: xilinx: dpdma: Fix race condition in vsync IRQ"
> >
> >  drivers/dma/xilinx/xilinx_dpdma.c | 1 -
> >  1 file changed, 1 deletion(-)
> >
> > --
> > 2.34.1
> >
> >
> > --
> > kernel-team mailing list
> > kernel-team at lists.ubuntu.com
> > https://lists.ubuntu.com/mailman/listinfo/kernel-team
>
> Upstream commit came with v5.15.158 upstream stable update.
>
> Please copy the SRU template from the cover letter to the launchpad bug.

Done.

>
> Acked-by: Manuel Diewald <manuel.diewald at canonical.com>
>
> --
>  Manuel