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[73.183.53.213]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-90c939314d2sm64503026d6.25.2026.08.24.08.15.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Aug 2026 08:15:55 -0700 (PDT) Date: Mon, 24 Aug 2026 11:15:54 -0400 From: Brian Masney To: Geert Uytterhoeven Cc: Chen-Yu Tsai , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Jernej Skrabec , Samuel Holland , Thierry Reding , Mikko Perttunen , Jonathan Hunter , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-tegra@vger.kernel.org, linux-clk@vger.kernel.org Subject: Re: [PATCH 1/2] drm/sun4i: Make sure clk_init_data is fully initialized Message-ID: References: <0f37278d04c02461e17f42032a379dccfb773171.1787239944.git.geert+renesas@glider.be> MIME-Version: 1.0 In-Reply-To: <0f37278d04c02461e17f42032a379dccfb773171.1787239944.git.geert+renesas@glider.be> User-Agent: Mutt/2.4.0 (2026-06-19) X-Mimecast-Spam-Score: 0 X-Mimecast-MFC-PROC-ID: LfNil4q3E5iF4jhe7lKespufSGtrIfxHp-kkc1-B-dA_1787584557 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260824_081559_432036_88B02F29 X-CRM114-Status: GOOD ( 13.36 ) 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 Fri, Aug 21, 2026 at 12:03:02PM +0200, 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 Reviewed-by: Brian Masney