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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-66ad6048508sm2026149a12.13.2026.03.27.02.37.12 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 27 Mar 2026 02:37:14 -0700 (PDT) Message-ID: Date: Fri, 27 Mar 2026 10:37:12 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] arm64: dts: qcom: lemans-evk: enable UART0 for robot expansion board To: Canfeng Zhuang , konradybcio@kernel.org, andersson@kernel.org Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org References: <20260327083101.1343613-1-canfeng.zhuang@oss.qualcomm.com> <20260327083101.1343613-2-canfeng.zhuang@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260327083101.1343613-2-canfeng.zhuang@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=NfTrFmD4 c=1 sm=1 tr=0 ts=69c64fcc cx=c_pps a=qKBjSQ1v91RyAK45QCPf5w==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=EUspDBNiAAAA:8 a=GeFP3kUyQ-hAHLItCtwA:9 a=QEXdDO2ut3YA:10 a=NFOGd7dJGGMPyQGDc5-O:22 X-Proofpoint-GUID: UJbVaJkT30ToqoZBKwDt8gjXrNwboa3z X-Proofpoint-ORIG-GUID: UJbVaJkT30ToqoZBKwDt8gjXrNwboa3z X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzI3MDA3MCBTYWx0ZWRfX0MhW57q00eEG HsMf9icWxpqa6AkbDH+NH9xreTA3dFuMshsk4Bm3rLpagwSoo56YObHEdWdCXojLNAoWJLOdGxP lOqzk7iVMaT/nKzCgzZ9yI+3RWn4WMm3vW2tn5hpBYP5iCdimvuuwsE4pSihzwuy1i+u41z1IGu im7seYpEma3cg45ke6DQvy/PUw2w7jFl0HHR/uI3slkKlYFr0IuoxoIimKc7xt8x9wUZqr8rNOV BBODWLVADLmrtBDU8ccRQULbTK4UN4tC1pUc0K25OeYgRytTql8XxNe37Sog2YaSzpxPidX9Xc7 /c99uaN31huz/g2C+Q3qSokOfy8CV4GkCeKGy0cX0Iq3Rn2DWOEsu2fe8fHuyA8KzCOzqjiUbh0 mQ7L0Zgt7E8YRMFTM/5FEOOyZwUGzyGVaBWwpry97zJCyQC1HEQUyJNwBQ3idWhiPx05Dwh/K7u TzDBQoaoZB01wzMr2mQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-26_04,2026-03-26_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 impostorscore=0 phishscore=0 lowpriorityscore=0 malwarescore=0 spamscore=0 bulkscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2603270070 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260327_023717_982511_89847B44 X-CRM114-Status: GOOD ( 10.75 ) 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 3/27/26 9:31 AM, Canfeng Zhuang wrote: > The lemans-evk mezzanine connector supports a robot expansion board that > requires UART0, which is currently disabled. This prevents the expansion > board from exchanging data and control commands. > > Enable UART0 and assign the serial2 alias to provide stable device > enumeration for the expansion board. > > Signed-off-by: Canfeng Zhuang > --- Reviewed-by: Konrad Dybcio Konrad