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Mon, 05 Jan 2026 13:09:21 -0800 (PST) Date: Mon, 5 Jan 2026 14:09:19 -0700 From: Mathieu Poirier To: Shengjiu Wang Cc: andersson@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, daniel.baluta@nxp.com, linux-remoteproc@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2] remoteproc: imx_dsp_rproc: only reset carveout memory at RPROC_OFFLINE state Message-ID: References: <20251218071750.2692132-1-shengjiu.wang@nxp.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20251218071750.2692132-1-shengjiu.wang@nxp.com> On Thu, Dec 18, 2025 at 03:17:50PM +0800, Shengjiu Wang wrote: > Do not reset memory at suspend and resume stage, because some > memory is used to save the software state for resume, if it is cleared, > the resume operation can fail. > > Fixes: c4c432dfb00f ("remoteproc: imx_dsp_rproc: Add support of recovery and coredump process") > Signed-off-by: Shengjiu Wang > Reviewed-by: Daniel Baluta > Reviewed-by: Iuliana Prodan > --- > changes in v2: > - refine commit message. > Applied. Thanks, Mathieu > drivers/remoteproc/imx_dsp_rproc.c | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/drivers/remoteproc/imx_dsp_rproc.c b/drivers/remoteproc/imx_dsp_rproc.c > index d03017d6b214..ac8aa71aa56c 100644 > --- a/drivers/remoteproc/imx_dsp_rproc.c > +++ b/drivers/remoteproc/imx_dsp_rproc.c > @@ -984,9 +984,11 @@ static int imx_dsp_rproc_load(struct rproc *rproc, const struct firmware *fw) > * Clear buffers after pm rumtime for internal ocram is not > * accessible if power and clock are not enabled. > */ > - list_for_each_entry(carveout, &rproc->carveouts, node) { > - if (carveout->va) > - memset(carveout->va, 0, carveout->len); > + if (rproc->state == RPROC_OFFLINE) { > + list_for_each_entry(carveout, &rproc->carveouts, node) { > + if (carveout->va) > + memset(carveout->va, 0, carveout->len); > + } > } > > ret = imx_dsp_rproc_elf_load_segments(rproc, fw); > -- > 2.34.1 >