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[176.79.113.208]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-48fce37b308sm65629665e9.10.2026.05.13.02.40.02 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 May 2026 02:40:03 -0700 (PDT) Message-ID: <17e3511e4bf46f83c91088bd4e081d4323e1bd93.camel@gmail.com> Subject: Re: [PATCH] pmdomain: ti_sci: add wakeup constraint to parent devices of wakeup source From: Vitor Soares To: Kendall Willis Cc: Nishanth Menon , Tero Kristo , Santosh Shilimkar , Ulf Hansson , Kevin Hilman , Dhruva Gole , linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, tomi.valkeinen@ideasonboard.com, sebin.francis@ti.com, devarsht@ti.com, vigneshr@ti.com, vishalm@ti.com, vitor.soares@toradex.com Date: Wed, 13 May 2026 10:40:02 +0100 In-Reply-To: <20260512161737.pflweaz2r3q3nrfl@uda0506412> References: <20260506-wkup-constraint-v1-1-0a4bce791b29@ti.com> <20260512161737.pflweaz2r3q3nrfl@uda0506412> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.44.4-0ubuntu2.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 On Tue, 2026-05-12 at 11:17 -0500, Kendall Willis wrote: > On 17:51-20260511, Vitor Soares wrote: > > Hi Kendall, > >=20 > > On Wed, 2026-05-06 at 22:16 -0500, Kendall Willis wrote: > > > Set wakeup constraint for any device in a wakeup path. All parent dev= ices > > > of a wakeup device should not be turned off during suspend. This ensu= res > > > the wakeup device is kept on while the system is suspended. > > >=20 > >=20 > > Thanks for the patch. > >=20 > > I tested it on our Verdin AM62P. As expected, suspend now fails cleanly= with > > "- > > 19" when an SDIO WiFi module is registered as a wakeup source, instead = of > > crashing on resume: > >=20 > > ti-sci 44043000.system-controller: PM: failed to suspend: error -19 > >=20 > > I did not test the IO daisy chain wakeup path, since that is out of sco= pe > > for > > this patch. > >=20 > > Best regards, > > Vitor Soares > >=20 >=20 > Hi Vitor, >=20 > Thanks for testing the patch! Could you add your Tested-by tag? >=20 > Best, > Kendall Hi Kendall, Sure: Tested-by: Vitor Soares vitor.soares@toradex.com Best regards, Vitor