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Thu, 15 May 2025 14:39:02 +0100 Date: Thu, 15 May 2025 14:39:01 +0100 Message-ID: <86ikm2f0y2.wl-maz@kernel.org> From: Marc Zyngier To: Patrick Delaunay Cc: Alexandre TORGUE , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Maxime Coquelin , , , , Subject: Re: [PATCH 1/2] arm64: dts: st: fix timer used for ticks In-Reply-To: <20250515151238.1.I85271ddb811a7cf73532fec90de7281cb24ce260@changeid> References: <20250515151238.1.I85271ddb811a7cf73532fec90de7281cb24ce260@changeid> User-Agent: Wanderlust/2.15.9 (Almost Unreal) SEMI-EPG/1.14.7 (Harue) FLIM-LB/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL-LB/10.8 EasyPG/1.0.0 Emacs/30.1 (aarch64-unknown-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI-EPG 1.14.7 - "Harue") Content-Type: text/plain; charset=US-ASCII X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: patrick.delaunay@foss.st.com, alexandre.torgue@foss.st.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, mcoquelin.stm32@gmail.com, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250515_063906_744755_1B0F0B2C X-CRM114-Status: GOOD ( 20.80 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 15 May 2025 14:12:39 +0100, Patrick Delaunay wrote: > > Remove always-on on generic ARM timer as the clock source provided by > STGEN is deactivated in low power mode, STOP1 by example. > > Fixes: 5d30d03aaf78 ("arm64: dts: st: introduce stm32mp25 SoCs family") > Signed-off-by: Patrick Delaunay > --- > > arch/arm64/boot/dts/st/stm32mp251.dtsi | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/boot/dts/st/stm32mp251.dtsi b/arch/arm64/boot/dts/st/stm32mp251.dtsi > index 8d87865850a7..74c5f85b800f 100644 > --- a/arch/arm64/boot/dts/st/stm32mp251.dtsi > +++ b/arch/arm64/boot/dts/st/stm32mp251.dtsi > @@ -150,7 +150,7 @@ timer { > , > , > ; > - always-on; > + arm,no-tick-in-suspend; That's amusing, because these two properties literally describe opposite behaviours (from an optimisation to a HW bug). I'm also pretty sure 99% of the DTs in the tree that have the always-on property are wrong. > }; > > soc@0 { I don't want to sound rude or anything, but the guy you Cc'd on an @arm.com will not reply (and hasn't been replying for almost 6 years). Thanks, M. -- Without deviation from the norm, progress is not possible.