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Sat, 21 Jun 2025 10:08:07 -0700 (PDT) MIME-Version: 1.0 References: <20250621112311.68101-1-aford173@gmail.com> In-Reply-To: <20250621112311.68101-1-aford173@gmail.com> From: Fabio Estevam Date: Sat, 21 Jun 2025 14:07:56 -0300 X-Gm-Features: AX0GCFsyZkLAi_IdniUJd_5FXJgXSkkE5eshqUFluI-nTmyTXyPV2FSCarf00P8 Message-ID: Subject: Re: [PATCH 1/2] arm64: dts: imx8mm: Configure DMA on UART2 To: Adam Ford Cc: linux-arm-kernel@lists.infradead.org, aford@beaconembedded.com, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-kernel@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250621_100810_112045_D47147EA X-CRM114-Status: GOOD ( 11.37 ) 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 Sat, Jun 21, 2025 at 8:23=E2=80=AFAM Adam Ford wrot= e: > > UART2 is often used as the console, so the DMA was likely left > off on purpose, since it's recomended to not use the DMA on the Typo: recommended > console. Beacause, the driver checks to see if the UART is used for Typo: Because > the console when determining if it should initialize DMA, it > should be safe to enable DMA on UART2 for all users. The same comment applies to the other patch. Reviewed-by: Fabio Estevam