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linux-arm-kernel@lists.infradead.org, Matthias Brugger , Scott Branden , gregkh@linuxfoundation.org, linux-kernel@vger.kernel.org, Ray Jui , Stephen Boyd , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com, linux-rpi-kernel@lists.infradead.org, linux-serial@vger.kernel.org, jslaby@suse.com References: <20200128141958.vwbxoqglt5gw4xj5@wunner.de> <20200131152414.73tgwsfhzgu4apkx@wunner.de> <20200212132834.c63354wynhmrg6hz@wunner.de> From: Matthias Brugger Autocrypt: addr=matthias.bgg@gmail.com; prefer-encrypt=mutual; keydata= mQINBFP1zgUBEAC21D6hk7//0kOmsUrE3eZ55kjc9DmFPKIz6l4NggqwQjBNRHIMh04BbCMY fL3eT7ZsYV5nur7zctmJ+vbszoOASXUpfq8M+S5hU2w7sBaVk5rpH9yW8CUWz2+ZpQXPJcFa OhLZuSKB1F5JcvLbETRjNzNU7B3TdS2+zkgQQdEyt7Ij2HXGLJ2w+yG2GuR9/iyCJRf10Okq gTh//XESJZ8S6KlOWbLXRE+yfkKDXQx2Jr1XuVvM3zPqH5FMg8reRVFsQ+vI0b+OlyekT/Xe 0Hwvqkev95GG6x7yseJwI+2ydDH6M5O7fPKFW5mzAdDE2g/K9B4e2tYK6/rA7Fq4cqiAw1+u EgO44+eFgv082xtBez5WNkGn18vtw0LW3ESmKh19u6kEGoi0WZwslCNaGFrS4M7OH+aOJeqK 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+abzEL6QDAAxn9md8KwrA3RtucNh87cHlDXfUBKa7SRvBjTczDg+HEPNk2u3hrz1j3l2rliQ y1UfYx7Vk/TrdwUIJgKS8QAr8Lw9WuvY2hSqL9vEjx8VAkPWNWPwrQ== Message-ID: <89b0eeb4-f08b-791e-b0d6-ac2f5bd6330d@gmail.com> Date: Wed, 12 Feb 2020 16:18:21 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200212132834.c63354wynhmrg6hz@wunner.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12/02/2020 14:28, Lukas Wunner wrote: > On Mon, Feb 03, 2020 at 08:10:21PM +0100, Nicolas Saenz Julienne wrote: >> On Fri, 2020-01-31 at 16:24 +0100, Lukas Wunner wrote: >>> On Thu, Jan 30, 2020 at 05:11:55PM +0100, Nicolas Saenz Julienne wrote: >>>> BTW did you had the oportunity to have a go at the patch? >>> >>> I've just performed a quick test and it doesn't work for me. >>> If I add stdout-path = "serial1:115200n8"; to the chosen node, >>> I only get a regular console with this patch, not an earlycon. >> >> That's surprising, you're using u-boot isn't it? and the upstream device tree? > > My apologies for the delay. > > We boot the kernel directly from the Foundation's bootloader without > U-Boot as intermediary, and we use the downstream DT and kernel > (with RT & custom patches). > > As far as I could see, the 8250_bcm2835aux UART wasn't even found > when the kernel searched for available earlycons. The compatible > string in the DT does match the one in Matthias' patch. > Can you provide your device tree please. I suspect that we find the culprit there. Regards, Matthias > I notice that Greg has already applied the patch to tty/next. > I'm currently stretched a little thin but I'll debug this further > once the dust has settled here. > > Thanks, > > Lukas >