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Fri, 18 Sep 2026 03:52:23 -0700 (PDT) X-Received: by 2002:a05:6a20:6f09:b0:3d0:abdb:de03 with SMTP id adf61e73a8af0-3dd8c3f26a2mr4358630637.2.1789728743466; Fri, 18 Sep 2026 03:52:23 -0700 (PDT) Received: from [10.218.42.145] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-33c287b023bsm4369596eec.23.2026.09.18.03.52.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 18 Sep 2026 03:52:23 -0700 (PDT) Message-ID: <6e314a3f-c73c-461b-86c7-472ef02e440a@oss.qualcomm.com> Date: Fri, 18 Sep 2026 16:22:16 +0530 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v3 0/6] bus: mhi: host: mhi_phc: Add support for PHC over MHI To: Jakub Kicinski Cc: Manivannan Sadhasivam , Jeff Hugo , Richard Cochran , mhi@lists.linux.dev, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, Vivek Pernamitta , Sivareddy Surasani , Taniya Das , Imran Shaik , Vivek Pernamitta References: <20260917-tsc_timesync-v3-0-6826d5d2d527@oss.qualcomm.com> <20260917074804.08818813@kernel.org> Content-Language: en-US From: Krishna Chaitanya Chundru In-Reply-To: <20260917074804.08818813@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Info: AW1haW4tMjYwOTE4MDE1MSBTYWx0ZWRfX5beapsJfxcbO 6eEAql/vTiqS9HWn7Rl1zLnnGUlnjRWjDVFuaFQBgB5B3wRivN7kOCliXMfMAwYNuMlm6WXYX7x Tiyj1q6DqNR6iQcoHt4C8zOjlwUg1d4= X-Authority-Analysis: v=2.4 cv=IOWXmQvG c=1 sm=1 tr=0 ts=6aad17e8 cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=VdqzKS8jKosA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=VwQbUJbxAAAA:8 a=BgRFT2qS3vt3802lDrkA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwOTE4MDE1MSBTYWx0ZWRfX5OWOcsvNYe+W Ro5bL+kWIBXqS3Jy4R3xNKLa673BJp0uCE6x6ZKI1Bj1JLSdJWbNErrMFBKU7sRDgIAEKiJgsmF qnP31dGcmGa5yLPhSJiWnC6UwFD7eGbFBi141vsDHYEn+ihgA5VGSeFQJbfvtOrGxHipVgtNti/ pmsTYPWFmeAxcvqP5STlcNbF4fKmkYzErKSMipbX6vAQu59E6nHJ3GuYkJSiFiAhdO6b4jsBWYt 2ZSVzK6A8hBdUyc59/h8XwwwxqsoAqcEN2uF3fTa1yes+Wf+t3Tnz6tycHVHlzwxiCw5hPl/zOl nbTJWyLBJI3uQXCgIQ74G/aJn5mLkylAxEkBopuPRHiyhkaLD29kJHKt4gAP1N/KwfxSSqKWmYa YPbFxPFGzKJz/vSb3osdt1oxgx9SG94d2oSevxTYvdx0sSt4zVcLO9Uxt+eww1n4hycZ1qTRFkc lOYDBuar9Y83OkpwVlQ== X-Proofpoint-ORIG-GUID: SwKdkZZzDcN-D3okf5LdrqJqYoSG8q0r X-Proofpoint-GUID: SwKdkZZzDcN-D3okf5LdrqJqYoSG8q0r X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-09-18_03,2026-09-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 adultscore=0 malwarescore=0 bulkscore=0 spamscore=0 suspectscore=0 phishscore=0 clxscore=1015 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2609040000 definitions=main-2609180151 On 9/17/2026 8:18 PM, Jakub Kicinski wrote: > On Thu, 17 Sep 2026 12:38:01 +0530 Krishna Chaitanya Chundru wrote: >> Subject: [PATCH v3 0/6] bus: mhi: host: mhi_phc: Add support for PHC over MHI > The MHI "bus" is the worst abstraction I've seen. You're turning it > into "qualcomms corner of the kernel". The PHC drivers belong in > drivers/ptp/ > > Carry this until told otherwise: > > Nacked-by: Jakub Kicinski Thanks for the feedback. We agree that the PHC driver does not belong under the MHI bus. In the next revision, we'll move the PHC driver to drivers/ptp  Since the concern raised by the NAK is being addressed by moving the driver out of drivers/bus/mhi, I'll drop the Nacked-by tag in the next revision. - Krishna Chaitanya.