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Sun, 27 Apr 2025 21:03:00 -0700 (PDT) X-Google-Smtp-Source: AGHT+IE1hf0kv2RwwAEJN313Le4e9anZymJSkpiF666mSWsbq84QqRggU43VATQtdXpKlPpzwfqg/g== X-Received: by 2002:a05:6a00:4483:b0:740:6f6:7338 with SMTP id d2e1a72fcca58-74006f67497mr7693629b3a.3.1745812980441; Sun, 27 Apr 2025 21:03:00 -0700 (PDT) Received: from [10.151.37.217] ([202.46.23.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-73e25a6a3casm7181186b3a.96.2025.04.27.21.02.56 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 27 Apr 2025 21:02:59 -0700 (PDT) Message-ID: Date: Mon, 28 Apr 2025 09:32:55 +0530 Precedence: bulk X-Mailing-List: linux-watchdog@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/5] dt-bindings: watchdog: separate out the IPQ5424 compatilble To: Rob Herring Cc: Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Wim Van Sebroeck , Guenter Roeck , Rajendra Nayak , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org References: <20250416-wdt_reset_reason-v2-0-c65bba312914@oss.qualcomm.com> <20250416-wdt_reset_reason-v2-3-c65bba312914@oss.qualcomm.com> <20250421194306.GA2648051-robh@kernel.org> Content-Language: en-US From: Kathiravan Thirumoorthy In-Reply-To: <20250421194306.GA2648051-robh@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: oNzwbR-1Ye14OvKXR4WLzWkBXmFMkQ5- X-Authority-Analysis: v=2.4 cv=aeBhnQot c=1 sm=1 tr=0 ts=680efdf6 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=j4ogTh8yFefVWWEFDRgCtg==:17 a=IkcTkHD0fZMA:10 a=XR8D0OoHHMoA:10 a=7JOJDKANAUoOSfc3MQoA:9 a=QEXdDO2ut3YA:10 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-GUID: oNzwbR-1Ye14OvKXR4WLzWkBXmFMkQ5- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNDI4MDAzMiBTYWx0ZWRfXwi3oWKeirnov 4xgLxQXOBRSTL5QTQEPjn96z8msKXwpnYCtyltXfmcVajjr54RQn6NBso+1QeSEG0oOzCKLZ3xW YPWoi/RCtYrBvqL0NnqHTisjeJRvrLTnow8PvoRYWajkwpTvVJFqz33YmOwxfdeETnDspNTlBZS kauP0asNFluDkeGYsOC/vV4YrTNCgI32I1rKKPQvLL4M66fImC08YKoN+hf5LgTaSURGa1EsOZ7 YOqqttP2/dDVo7xA92tkPipNYT6y5U1EXpe59YouQUEsJYrIML6J2j506jkxQZSOTVDq1fYMCol 7BNCG1NKwSxhV6h23J0gXg3xZYS1msRDfSMuQvDwrauj5iWmZxOGIgA5GFPZddfx+T/sghpu34w DVbgp6KRrBRWVYaf9wuoua9j5q/+74DWrh9xaL+4M1y9vYfOz/y4hXl2pwPxPnQbkLnzF56p 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=2025-04-28_01,2025-04-24_02,2025-02-21_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 impostorscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 spamscore=0 mlxlogscore=922 phishscore=0 suspectscore=0 lowpriorityscore=0 mlxscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2504070000 definitions=main-2504280032 On 4/22/2025 1:13 AM, Rob Herring wrote: > On Wed, Apr 16, 2025 at 01:59:20PM +0530, Kathiravan Thirumoorthy wrote: >> To retrieve the system restart reason code from IMEM, need to define the >> certain device specific data. To achieve that, decouple the IPQ5424 >> compatible from the existing list and define along with 'qcom,kpss-wdt'. > You have missed the whole point of why there's both a specific > compatible and a fallback. The specific one existed for a case like this > where you need to start distinguishing the specific device. In short, > this binding and dts changes are not needed at all, only the driver > change is needed. Then you maintain forwards and backwards > compatibility. Yeah, I completely missed that. Thanks for pointing out. Will drop this and the DTS patch in the next spin. Thanks, Kathiravan T.