Re: [PATCH v2 0/2] hwtracing: hisi_ptt: Fix reset timeout handling and clean up trace start

Suzuki K Poulose <[email protected]> Mon, 3 Aug 2026 16:43:17 +0100

Newsgroups	org.kernel.vger.stable,org.kernel.vger.linux-kernel
Message-ID	<[email protected]>

On Tue, 14 Apr 2026 17:25:03 +0000, Pradhan, Sanman wrote:
> Patch 1: Propagate the DMA reset timeout error from
>   hisi_ptt_wait_dma_reset_done() instead of discarding it. De-assert
>   the reset bit and log an error on timeout. Move ctrl->started to the
>   successful path so a failed start does not leave the trace marked as
>   active.
> 
> Patch 2: Remove the unnecessary 16 MiB memset of trace buffers in
>   hisi_ptt_trace_start(). The driver only copies data that hardware has
>   written, so the zeroing is not needed.
> 
> [...]

Applied, thanks!

[1/2] hwtracing: hisi_ptt: Propagate DMA reset timeout in trace_start()
      https://git.kernel.org/coresight/c/de24536e7672
[2/2] hwtracing: hisi_ptt: Remove unnecessary trace buffer zeroing in trace_start()
      https://git.kernel.org/coresight/c/3d92b39c5faf

Best regards,
-- 
Suzuki K Poulose <[email protected]>