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Fri, 5 Apr 2019 09:27:18 +0200 Received: from lvloginb.cadence.com (localhost [127.0.0.1]) by lvloginb.cadence.com (8.14.4/8.14.4) with ESMTP id x357RIku026460; Fri, 5 Apr 2019 08:27:18 +0100 Received: (from jank@localhost) by lvloginb.cadence.com (8.14.4/8.14.4/Submit) id x357RFTV026441; Fri, 5 Apr 2019 08:27:15 +0100 From: Jan Kotas To: , , CC: , , Jan Kotas Subject: [PATCH] soundwire: fix pm_runtime_get_sync return code checks Date: Fri, 5 Apr 2019 08:26:55 +0100 Message-ID: <20190405072655.25995-1-jank@cadence.com> X-Mailer: git-send-email 2.15.0 MIME-Version: 1.0 Content-Type: text/plain X-OrganizationHeadersPreserved: maileu3.global.cadence.com X-EOPAttributedMessage: 0 X-Forefront-Antispam-Report: CIP:158.140.1.28;IPV:CAL;SCL:-1;CTRY:US;EFV:NLI;SFV:NSPM;SFS:(10009020)(346002)(39860400002)(396003)(376002)(136003)(2980300002)(3190300001)(189003)(199004)(36092001)(50226002)(4326008)(42186006)(2201001)(186003)(5660300002)(14444005)(86362001)(8936002)(2906002)(316002)(48376002)(16586007)(107886003)(50466002)(426003)(54906003)(110136005)(478600001)(1076003)(36756003)(51416003)(87636003)(6666004)(336012)(356004)(105596002)(26005)(26826003)(126002)(486006)(7636002)(8676002)(2616005)(47776003)(305945005)(476003)(246002)(106466001)(76130400001);DIR:OUT;SFP:1101;SCL:1;SRVR:DM6PR07MB4716;H:sjmaillnx2.cadence.com;FPR:;SPF:SoftFail;LANG:en;PTR:corp.Cadence.COM;MX:1;A:1; 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This patch ignores the -EACCES return value from pm_runtime_get_sync() to let the SoundWire work in systems without runtime PM. Signed-off-by: Jan Kotas --- drivers/soundwire/bus.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/soundwire/bus.c b/drivers/soundwire/bus.c index 1cbfedfc2..6567ff439 100644 --- a/drivers/soundwire/bus.c +++ b/drivers/soundwire/bus.c @@ -328,7 +328,7 @@ int sdw_nread(struct sdw_slave *slave, u32 addr, size_t count, u8 *val) return ret; ret = pm_runtime_get_sync(slave->bus->dev); - if (ret < 0) + if (ret < 0 && ret != -EACCES) return ret; ret = sdw_transfer(slave->bus, &msg); @@ -356,7 +356,7 @@ int sdw_nwrite(struct sdw_slave *slave, u32 addr, size_t count, u8 *val) return ret; ret = pm_runtime_get_sync(slave->bus->dev); - if (ret < 0) + if (ret < 0 && ret != -EACCES) return ret; ret = sdw_transfer(slave->bus, &msg); -- 2.15.0