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Sun, 23 Feb 2025 23:28:44 -0800 (PST) Received: from [192.168.43.21] ([77.85.230.22]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-38f259d58f3sm30734172f8f.73.2025.02.23.23.28.42 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 23 Feb 2025 23:28:43 -0800 (PST) Message-ID: <3616b414-ba57-4625-aa35-20d3dff61cc5@gmail.com> Date: Mon, 24 Feb 2025 09:28:42 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 6/8] phy: phy-snps-eusb2: make reset control optional Content-Language: en-US To: Dmitry Baryshkov Cc: Vinod Koul , Kishon Vijay Abraham I , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , Philipp Zabel , Abel Vesa , linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250223122227.725233-1-ivo.ivanov.ivanov1@gmail.com> <20250223122227.725233-7-ivo.ivanov.ivanov1@gmail.com> From: Ivaylo Ivanov In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250223_232846_035961_E82B7968 X-CRM114-Status: GOOD ( 10.68 ) 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 2/24/25 01:48, Dmitry Baryshkov wrote: > On Sun, Feb 23, 2025 at 02:22:25PM +0200, Ivaylo Ivanov wrote: >> Some SoCs don't provide explicit reset lines, so make them optional. > Is there an external reset or some other signal? Well..  There probably are on a hardware level, but there's no interface that exposes them to the kernel.. as far as I've seen. Resets are usually managed via the blocks' registers. I can't say with certainty because I don't have access to TRMs. I can reword this commit message to make that clear. Best regards, Ivaylo > >> Signed-off-by: Ivaylo Ivanov >> --- >> drivers/phy/phy-snps-eusb2.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> > Reviewed-by: Dmitry Baryshkov >