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charset="utf-8" Content-Transfer-Encoding: 8bit Message-Id: <20260303-timer-clock-v1-1-68336d3161f3@posteo.net> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , "Christophe Leroy (CS GROUP)" Cc: devicetree@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org, kernel test robot , =?utf-8?q?J=2E_Neusch=C3=A4fer?= X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1772564704; l=1719; i=j.ne@posteo.net; s=20240329; h=from:subject:message-id; bh=wToNi3p+7oH/fZkL7rybDw1OVJ8Mht3DHd2zANSoxwc=; b=1Y5vaGMTDSwDyTMDt6bOuEi0MTG9ayKBdBMjYkAgwux3aVe+bMocyRNbMftjIT1i5M06PHR/u RYochVODplxD1OWG3jKHme3675+QXAlXsjdItXL+fq+xU5SFOARPLdr X-Developer-Key: i=j.ne@posteo.net; a=ed25519; pk=NIe0bK42wNaX/C4bi6ezm7NJK0IQE+8MKBm7igFMIS4= X-Endpoint-Received: by B4 Relay for j.ne@posteo.net/20240329 with auth_id=156 X-Original-From: =?utf-8?q?J=2E_Neusch=C3=A4fer?= Reply-To: j.ne@posteo.net From: "J. Neuschäfer" The recent formalization of the fsl,gtm schema has shown that mpc8313erdb.dts doesn't provide the clock-frequency property on timer nodes. A few different expectations collide here: - Both the binding and the driver for the Freescale global timer module (GTM) have always required clock-frequency, since their addition in 2008 (v2.6.26-rc5-236-g83ff9dcf375c41). - mpc8313erdb.dts never had the timer@*/clock-frequency property, since the timer nodes were added in 2008 (v2.6.26-3343-g574366128db29e) I suspect the way this worked was that the bootloader filled these values when booting on an MPC8313 board. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202505300136.HOpO5P6y-lkp@intel.com/ Signed-off-by: J. Neuschäfer --- arch/powerpc/boot/dts/mpc8313erdb.dts | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/powerpc/boot/dts/mpc8313erdb.dts b/arch/powerpc/boot/dts/mpc8313erdb.dts index 09508b4c8c7309..0bddc3be9e62f8 100644 --- a/arch/powerpc/boot/dts/mpc8313erdb.dts +++ b/arch/powerpc/boot/dts/mpc8313erdb.dts @@ -308,6 +308,7 @@ gtm1: timer@500 { reg = <0x500 0x100>; interrupts = <90 8 78 8 84 8 72 8>; interrupt-parent = <&ipic>; + clock-frequency = <0>; /* filled by bootloader */ }; timer@600 { @@ -315,6 +316,7 @@ timer@600 { reg = <0x600 0x100>; interrupts = <91 8 79 8 85 8 73 8>; interrupt-parent = <&ipic>; + clock-frequency = <0>; /* filled by bootloader */ }; }; --- base-commit: 9448598b22c50c8a5bb77a9103e2d49f134c9578 change-id: 20250625-timer-clock-e03fa9e835c8 Best regards, -- J. Neuschäfer