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Tue, 11 Aug 2026 06:11:26 -0700 (PDT) Received: from hoboy.vegasvil.org ([2600:1700:2430:6f6e:e2d5:5eff:fea5:802f]) by smtp.gmail.com with ESMTPSA id 00721157ae682-82ec44b14fesm8563677b3.39.2026.08.11.06.11.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Aug 2026 06:11:24 -0700 (PDT) Date: Tue, 11 Aug 2026 06:11:21 -0700 From: Richard Cochran To: xuanqiang.luo@linux.dev Cc: netdev@vger.kernel.org, andrew@lunn.ch, kuba@kernel.org, hkallweit1@gmail.com, linux@armlinux.org.uk, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, maxime.chevallier@bootlin.com, luoxuanqiang@kylinos.cn Subject: Re: [PATCH net v4 0/4] net: phy: dp83640: fix shared clock lifetime and probe error cleanup Message-ID: References: <20260807070729.12545-1-xuanqiang.luo@linux.dev> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260807070729.12545-1-xuanqiang.luo@linux.dev> On Fri, Aug 07, 2026 at 03:07:25PM +0800, xuanqiang.luo@linux.dev wrote: > From: Xuanqiang Luo > > The DP83640 driver shares one PTP clock between all PHYs on the same MII > bus. > > Its driver-local clock lookup and removal scheme can leak the shared clock > on probe failure or free it while another probe is acquiring it. Is this an actual problem that you have seen in the real world? Thanks, Richard