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[31.10.206.125]) by smtp.gmail.com with ESMTPSA id tj13-20020a170907c24d00b00a38a705121csm2212012ejc.47.2024.02.14.03.27.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Feb 2024 03:27:11 -0800 (PST) From: Andrejs Cainikovs To: b-liu@ti.com Cc: afd@ti.com, conor+dt@kernel.org, conor@kernel.org, devicetree@vger.kernel.org, kristo@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, nm@ti.com, r-gunasekaran@ti.com, robh+dt@kernel.org, rogerq@kernel.org, srk@ti.com, vigneshr@ti.com, Andrejs Cainikovs Subject: Re: [PATCH v3 5/5] usb: dwc3-am62: add workaround for Errata i2409 Date: Wed, 14 Feb 2024 12:27:08 +0100 Message-Id: <20240214112708.157743-1-andrejs.cainikovs@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240201183522.ssj553rwefr2wuqi@iaqt7> References: <20240201183522.ssj553rwefr2wuqi@iaqt7> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240214_032714_690147_D3460ECF X-CRM114-Status: UNSURE ( 7.50 ) 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 > All AM62 devices have Errata i2409 [1] due to which > USB2 PHY may lock up due to short suspend. > > Workaround involves setting bit 5 and 4 PLL_REG12 > in PHY2 register space after USB controller is brought > out of LPSC reset but before controller initialization. > > Handle this workaround. Tested-by: Andrejs Cainikovs You have requested [1] to check whether this patch fixes issues I observed, and I can confirm it does. [1]: https://lore.kernel.org/all/2629cd30-23aa-4f03-8452-ae13297fd6b6@kernel.org/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel