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X-CSE-ConnectionGUID: HyXRN8+nRO6IAOBi+2U6dQ== X-CSE-MsgGUID: F1ngVutmTiOQH0sP1B/9VA== X-IronPort-AV: E=Sophos;i="6.25,235,1779174000"; d="scan'208";a="62471628" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 21 Aug 2026 06:40:05 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.58; Fri, 21 Aug 2026 06:40:04 -0700 Received: from [10.171.248.60] (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.58 via Frontend Transport; Fri, 21 Aug 2026 06:39:47 -0700 Message-ID: <0903bc22-e913-4e14-99f6-db6b97aa3a27@microchip.com> Date: Fri, 21 Aug 2026 15:39:46 +0200 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/45] clk: at91: Make sure clk_init_data is fully initialized To: Geert Uytterhoeven , Ryan Chen , Joel Stanley , Stephen Boyd , Brian Masney , Jerome Brunet , Andrew Jeffery , Billy Tsai , Alexandre Belloni , Claudiu Beznea , Ray Jui , Scott Branden , Broadcom internal kernel review list , Taichi Sugaya , Takao Orito , Linus Walleij , Avi Fishman , Tomer Maimon , Tali Perry , Patrick Venture , Nancy Yuen , Benjamin Fair , Sudeep Holla , Cristian Marussi , David Lechner , Abel Vesa , Peng Fan , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Paul Cercueil , Santosh Shilimkar , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Vladimir Zapolskiy , Heiko Stuebner , Krzysztof Kozlowski , Sylwester Nawrocki , Chanwoo Choi , Peter Griffin , Alim Akhtar , Dinh Nguyen , Viresh Kumar , Maxime Coquelin , Alexandre Torgue , =?UTF-8?Q?Emilio_L=C3=B3pez?= , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Prashant Gaikwad , Thierry Reding , Jonathan Hunter , Kunihiko Hayashi , Masami Hiramatsu , Ulf Hansson , Liviu Dudau , Lorenzo Pieralisi , Michal Simek , Matthias Brugger CC: , , , , , , , , , , , , , , , References: From: Nicolas Ferre Content-Language: en-US, fr Organization: microchip In-Reply-To: Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 7bit On 21/08/2026 at 10:53, Geert Uytterhoeven wrote: > The clk_init_data structure contains several mutually-exclusive members > for different methods to specify the possible parents of a clock, > prompting drivers to initialize only the members they need. However, > not initializing all members may cause subtle issues, which are only > exposed when CONFIG_INIT_STACK_ALL_PATTERN or CONFIG_INIT_STACK_NONE is > enabled. > > Make sure all members are fully initialized, to avoid such bugs, and to > prevent future breakage when converting drivers to a different method > for specifying the parents. > > Signed-off-by: Geert Uytterhoeven > --- > Compile-tested only. > --- > drivers/clk/at91/clk-audio-pll.c | 4 ++-- > drivers/clk/at91/clk-h32mx.c | 2 +- > drivers/clk/at91/clk-main.c | 2 +- > drivers/clk/at91/clk-pll.c | 2 +- > drivers/clk/at91/clk-plldiv.c | 2 +- > drivers/clk/at91/clk-slow.c | 2 +- > drivers/clk/at91/clk-smd.c | 2 +- > drivers/clk/at91/clk-usb.c | 6 +++--- > drivers/clk/at91/sckc.c | 2 +- > 9 files changed, 12 insertions(+), 12 deletions(-) Acked-by: Nicolas Ferre Thanks Geert, Nicolas