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[213.179.129.39]) by smtp.gmail.com with ESMTPSA id lf19-20020a170906ae5300b009ad89697c86sm5944350ejb.144.2023.10.30.04.55.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Oct 2023 04:55:24 -0700 (PDT) Date: Mon, 30 Oct 2023 12:55:23 +0100 From: Jiri Pirko To: Bernd Edlinger Cc: Alexandre Torgue , Jose Abreu , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] net: stmmac: Wait a bit for the reset to take effect Message-ID: References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20231030_045529_632426_1B7B32FA X-CRM114-Status: UNSURE ( 9.60 ) X-CRM114-Notice: Please train this message. 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Mon, Oct 30, 2023 at 07:01:11AM CET, bernd.edlinger@hotmail.de wrote: >otherwise the synopsys_id value may be read out wrong, >because the GMAC_VERSION register might still be in reset >state, for at least 1 us after the reset is de-asserted. > >Add a wait for 10 us before continuing to be on the safe side. > >Signed-off-by: Bernd Edlinger Reviewed-by: Jiri Pirko _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel