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Wysocki" , Pavel Machek , Len Brown , Greg Kroah-Hartman , Matthias Brugger , , , , Subject: [PATCH 5.15 0/1] pm, restore async device resume optimization Date: Mon, 2 Sep 2024 11:10:44 +0800 Message-ID: <20240902031047.9865-1-yenchia.chen@mediatek.com> X-Mailer: git-send-email 2.18.0 MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-AS-Result: No-10--3.129900-8.000000 X-TMASE-MatchedRID: JLcFkSgMIWN2Rany8ZWn3tOEZs/2oH3cCt59Uh3p/NWCsBeCv8CM/WAd cSpevRjQiHW59WKjt/cKqKe3zUn9YqPoJzzb7KzWhK8o4aoss8pKPIx+MJF9o5soi2XrUn/J8m+ hzBStanvCLNfu05PakAtuKBGekqUpOlxBO2IcOBbEyMTWd4/m6PO/B9+EIe5KemHOHsKuv6TiRL HA99IRmBkGY5qDZgwhHFrKplBIbYwx59TrzsqD5L8cT6DUrvrGOPVhQvN7rWbBkGBTIlURuXoXD z8+lMxFpW+aIDJ4DaRzkxJ+SIkUjmncuUSUEdOX X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--3.129900-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 3C10582E582375B77A6D1BA0557EB6A54834D49EE7523CB6CA1E816963D448C32000:8 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240901_201109_466275_114BD55B X-CRM114-Status: UNSURE ( 8.49 ) 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: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: "yenchia.chen" We have met a deadlock issue on our device when resuming. After applying this patch which is picked from mainline, issue solved. We'd like to backport to 5.15.y and could you help to review? thanks. [ Upstream commit 3e999770ac1c7c31a70685dd5b88e89473509e9c ] Rafael J. Wysocki (1): PM: sleep: Restore asynchronous device resume optimization drivers/base/power/main.c | 117 +++++++++++++++++++++----------------- include/linux/pm.h | 1 + 2 files changed, 65 insertions(+), 53 deletions(-)