[PATCH v3 0/2] Fix CPU stall in xilinx_dma_poll_timeout caused by passing delay_us=0

[Gupta, Suraj]

[AMD Official Use Only - AMD Internal Distribution Only]

> -----Original Message-----
> From: Alex Bereza <alex at bereza.email>
> Sent: Wednesday, April 1, 2026 4:27 PM
> To: Vinod Koul <vkoul at kernel.org>; Frank Li <Frank.Li at kernel.org>; Simek,
> Michal <michal.simek at amd.com>; Geert Uytterhoeven
> <geert+renesas at glider.be>; Ulf Hansson <ulf.hansson at linaro.org>; Arnd
> Bergmann <arnd at arndb.de>; Tony Lindgren <tony at atomide.com>; Rao,
> Appana Durga Kedareswara <appana.durga.kedareswara.rao at amd.com>
> Cc: dmaengine at vger.kernel.org; linux-arm-kernel at lists.infradead.org; linux-
> kernel at vger.kernel.org; Alex Bereza <alex at bereza.email>
> Subject: [PATCH v3 0/2] Fix CPU stall in xilinx_dma_poll_timeout caused by
> passing delay_us=0
>
> [You don't often get email from alex at bereza.email. Learn why this is important
> at https://aka.ms/LearnAboutSenderIdentification ]
>
> Caution: This message originated from an External Source. Use proper caution
> when opening attachments, clicking links, or responding.
>
>
> Signed-off-by: Alex Bereza <alex at bereza.email>
> ---

For the series, Reviewed-by: Suraj Gupta <suraj.gupta2 at amd.com>

Thanks!
Suraj

> Changes in v3:
> - patch 1/2:
>   - Fix commit message: remove blank line between tags
> - patch 2/2: nothing
> - Link to v2: https://patch.msgid.link/20260401-fix-atomic-poll-timeout-
> regression-v2-0-68a265e3770f at bereza.email
>
> Changes in v2:
> - Fixed the Fixes: tags as suggested by Geert Uytterhoeven
>   <geert+renesas at glider.be> - thanks!
> - Split the renaming of XILINX_DMA_LOOP_COUNT into separate commit
> - Link to v1: https://patch.msgid.link/20260331-fix-atomic-poll-timeout-
> regression-v1-1-5b7bd96eaca0 at bereza.email
>
> ---
> Alex Bereza (2):
>       dmaengine: xilinx_dma: Fix CPU stall in xilinx_dma_poll_timeout
>       dmaengine: xilinx_dma: Rename XILINX_DMA_LOOP_COUNT
>
>  drivers/dma/xilinx/xilinx_dma.c | 26 ++++++++++++++++----------
>  1 file changed, 16 insertions(+), 10 deletions(-)
> ---
> base-commit: b7560798466a07d9c3fb011698e92c335ab28baf
> change-id: 20260330-fix-atomic-poll-timeout-regression-4f4e3baf3fd7
>
> Best regards,
> --
> Alex Bereza <alex at bereza.email>
>