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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-608b48f27e1sm6496194a12.29.2025.06.16.09.20.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 16 Jun 2025 09:20:50 -0700 (PDT) Message-ID: <713cd518-935f-4501-9753-d33c9ea6aef7@oss.qualcomm.com> Date: Mon, 16 Jun 2025 18:20:48 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: add debug UART pins to reserved GPIO ranges on RB2 To: Bartosz Golaszewski , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bartosz Golaszewski References: <20250616143341.51944-1-brgl@bgdev.pl> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250616143341.51944-1-brgl@bgdev.pl> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: TGJy94OnmZTVZfIe0HW1MfyCOYV5xeEP X-Authority-Analysis: v=2.4 cv=D6RHKuRj c=1 sm=1 tr=0 ts=68504464 cx=c_pps a=mPf7EqFMSY9/WdsSgAYMbA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=KKAkSRfTAAAA:8 a=Uobm0kU4YoDV-O0PfCkA:9 a=QEXdDO2ut3YA:10 a=dawVfQjAaf238kedN5IG:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-GUID: TGJy94OnmZTVZfIe0HW1MfyCOYV5xeEP X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjE2MDEwNyBTYWx0ZWRfX5U/KEwOZBegd T9E4e6+AmjTRawpidCSANCG0ZUPEWbiySteXI8tXGJa/mXnQTdRCmz+L4bvfJ3vS13+zJ6pYd4I +ONpYFt8gkURB+hRPfCZON8g9aICOXKaQ2jLPz3Aa0ltAjvyApJHJ03T4wRF6bChbsiOJ5yd5FR cwDdPvnPsjoAAX8TZiYFTg7a8g9AYARxNYjR1PDuB1MNWXkfvyhwjWfmx+7f30nF2jD1KPSuolX 61dFXbJfYLmDC2ZZlYeDv9EXcCrUY5rgdERfdHrFQyGmpanU+ImpL9fO0iPN+3ve8wkDkPqMVnA Ut/VjD/nySkuH+I2N2BBcDfnncupz9FgNJWhOpYxHrw1/9VZ5Wdxr5URN1xrBBJSSf0OeVDTFsi c7qgdZkdReVpQy7NHg5ZD9bqyGhrEr41fD0sdTNMj1pZPD2tam9yQEB4PvAvqPx7+IiXsLGm X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-16_08,2025-06-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 impostorscore=0 phishscore=0 adultscore=0 suspectscore=0 mlxlogscore=835 clxscore=1015 mlxscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506160107 On 6/16/25 4:33 PM, Bartosz Golaszewski wrote: > From: Bartosz Golaszewski > > GPIO12 and GPIO13 are used for the debug UART and must not be available > to drivers or user-space. Add them to the gpio-reserved-ranges. > > Fixes: 8d58a8c0d930c ("arm64: dts: qcom: Add base qrb4210-rb2 board dts") > Signed-off-by: Bartosz Golaszewski > --- That also makes them unavailable to the kernel though, no? Konrad