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Fri, 29 Aug 2025 09:36:01 -0700 (PDT) Date: Fri, 29 Aug 2025 10:35:59 -0600 From: Mathieu Poirier To: Claudiu Cc: andersson@kernel.org, ulf.hansson@linaro.org, rafael@kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Claudiu Beznea Subject: Re: [PATCH] rpmsg: core: Drop dev_pm_domain_detach() call Message-ID: References: <20250827101352.927542-1-claudiu.beznea.uj@bp.renesas.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: <20250827101352.927542-1-claudiu.beznea.uj@bp.renesas.com> On Wed, Aug 27, 2025 at 01:13:52PM +0300, Claudiu wrote: > From: Claudiu Beznea > > Starting with commit f99508074e78 ("PM: domains: Detach on > device_unbind_cleanup()"), there is no longer a need to call > dev_pm_domain_detach() in the bus remove function. The > device_unbind_cleanup() function now handles this to avoid > invoking devres cleanup handlers while the PM domain is > powered off, which could otherwise lead to failures as > described in the above-mentioned commit. > > Drop the explicit dev_pm_domain_detach() call and rely instead > on the flags passed to dev_pm_domain_attach() to power off the > domain. > > Signed-off-by: Claudiu Beznea > --- > drivers/rpmsg/rpmsg_core.c | 5 ++--- > 1 file changed, 2 insertions(+), 3 deletions(-) > Applied. Thanks, Mathieu > diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c > index bece5e635ee9..5d661681a9b6 100644 > --- a/drivers/rpmsg/rpmsg_core.c > +++ b/drivers/rpmsg/rpmsg_core.c > @@ -479,7 +479,8 @@ static int rpmsg_dev_probe(struct device *dev) > struct rpmsg_endpoint *ept = NULL; > int err; > > - err = dev_pm_domain_attach(dev, PD_FLAG_ATTACH_POWER_ON); > + err = dev_pm_domain_attach(dev, PD_FLAG_ATTACH_POWER_ON | > + PD_FLAG_DETACH_POWER_OFF); > if (err) > goto out; > > @@ -538,8 +539,6 @@ static void rpmsg_dev_remove(struct device *dev) > if (rpdrv->remove) > rpdrv->remove(rpdev); > > - dev_pm_domain_detach(dev, true); > - > if (rpdev->ept) > rpmsg_destroy_ept(rpdev->ept); > } > -- > 2.43.0 >