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Mon, 17 Aug 2026 09:29:35 -0700 (PDT) Received: from linaro.org ([2a02:2454:ff24:7210:7281:1989:ca4f:c9c9]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4998ac6afe7sm181109795e9.3.2026.08.17.09.29.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2026 09:29:34 -0700 (PDT) Date: Mon, 17 Aug 2026 18:29:33 +0200 From: Stephan Gerhold To: Linus Walleij Cc: u-boot@lists.u-boot-project.org, Tom Rini , Stefan Hansson Subject: Re: [PATCH v2 6/8] configs: stemmy: Boot EFI from external SD card Message-ID: References: <20260817-ux500-external-sdcard-v2-0-ca9a110bd9c6@kernel.org> <20260817-ux500-external-sdcard-v2-6-ca9a110bd9c6@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260817-ux500-external-sdcard-v2-6-ca9a110bd9c6@kernel.org> X-BeenThere: u-boot@lists.u-boot-project.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.u-boot-project.org On Mon, Aug 17, 2026 at 11:31:55AM +0200, Linus Walleij wrote: > Replace the fastboot-only command with standard bootflow scanning and > enable the EFI loader so the removable SD card can provide the default > ARM EFI executable. Filesystem probing is handled by the standard boot > framework and does not require the FAT command. > > Disable mkeficapsule because generating capsule tools is unrelated to > running EFI payloads and adds a host GnuTLS build dependency. > > Signed-off-by: Linus Walleij I think it would be nice to keep Fastboot as a fallback, e.g. when a button is pressed during boot. Some people may want that for updating U-Boot itself. I had this mapped to the Volume Down button in my original change: https://github.com/stericsson-mainline/u-boot/commit/3a499aabe598004da889c507095edf8d9b21244e Nowdays it's a bit easier to do this without extra C code using button_cmd, see e.g. https://git.u-boot-project.org/u-boot/u-boot/-/commit/359e1d4a57e06ab662ca7e008e881da27e9d3562 Thanks, Stephan