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Wed, 01 Dec 2021 12:40:25 -0800 (PST) Subject: Re: [PATCH 2/3] usb: Add "wake on" functionality for newer Synopsis XHCI controllers To: Al Cooper , linux-kernel@vger.kernel.org Cc: bcm-kernel-feedback-list@broadcom.com, Florian Fainelli , Kishon Vijay Abraham I , linux-phy@lists.infradead.org, =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Vinod Koul References: <20211201180653.35097-1-alcooperx@gmail.com> <20211201180653.35097-3-alcooperx@gmail.com> From: Florian Fainelli Message-ID: <38275ba2-a750-9d34-1f2a-e9eccbd2145f@gmail.com> Date: Wed, 1 Dec 2021 12:40:24 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.14.0 MIME-Version: 1.0 In-Reply-To: <20211201180653.35097-3-alcooperx@gmail.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211201_124027_064970_2DC73E79 X-CRM114-Status: GOOD ( 10.38 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On 12/1/21 10:06 AM, Al Cooper wrote: > Add "wake on" support for the newer Synopsis based XHCI only controller. > This works on the 72165 and 72164 and newer chips and does not work > on 7216 based systems. Also switch the USB sysclk to a slower clock > on suspend to save additional power in S2. The clock switch will only > save power on the 72165b0 and newer chips and is a nop on older chips. > > Signed-off-by: Al Cooper Acked-by: Florian Fainelli -- Florian -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy