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Wysocki" , Pavel Machek , Len Brown , Greg Kroah-Hartman , Matthias Brugger , AngeloGioacchino Del Regno , , , , Subject: [PATCH 6.6 0/1] pm, restore async device resume optimization Date: Mon, 2 Sep 2024 17:32:47 +0800 Message-ID: <20240902093249.17275-1-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--0.721600-8.000000 X-TMASE-MatchedRID: NKO9ekWIDjZNfAuy6MOHARWCVBr+Ay98UAjrAJWsTe+CsBeCv8CM/WoY 8jnT5UNAdvMDsdlFTfx1VOt17I0Spc3AmdtMjGJVngIgpj8eDcAZ1CdBJOsoY9mzcdRxL+xwKra uXd3MZDWuikCL8VXXTHd9H3D4g3TAjOdC04VQHm0AQifLWGK23xTY0YxG1fFWyfZaWEB2dsF0BN B20+SxH7f8mJY57oZddJaBDYald1lvF9+X2GEIHA== X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No X-TMASE-Result: 10--0.721600-8.000000 X-TMASE-Version: SMEX-14.0.0.3152-9.1.1006-23728.005 X-TM-SNTS-SMTP: 01B788881749FE3475082A6EE46C935325F93AB08D3EA507A3A6E8672CEA022C2000:8 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240902_023258_305651_11959154 X-CRM114-Status: UNSURE ( 7.49 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mediatek@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-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org We have met a deadlock issue on our device which use 5.15.y when resuming. After applying this patch which is picked from mainline, issue solved. Backport to 6.6.y also. 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(-)