linux-kernel - [PATCH 11/11] spi: Respect all error codes from dev_pm_domain

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Date:   Thu, 26 Apr 2018 10:53:10 +0200
From:   Ulf Hansson <ulf.hansson@...aro.org>
To:     "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-pm@...r.kernel.org
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Kevin Hilman <khilman@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Viresh Kumar <viresh.kumar@...aro.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Mark Brown <broonie@...nel.org>,
        Vinod Koul <vinod.koul@...el.com>,
        Sanyog Kale <sanyog.r.kale@...el.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        Wolfram Sang <wsa@...-dreams.de>,
        Russell King <linux@...linux.org.uk>,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 11/11] spi: Respect all error codes from dev_pm_domain_attach()

The limitation of being able to check only for -EPROBE_DEFER from
dev_pm_domain_attach() has been removed. Hence let's respect all error
codes and bail out accordingly.

Cc: Mark Brown <broonie@...nel.org>
Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>
---
 drivers/spi/spi.c | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 7b213fa..eeab67f 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -356,11 +356,12 @@ static int spi_drv_probe(struct device *dev)
 	}
 
 	ret = dev_pm_domain_attach(dev, true);
-	if (ret != -EPROBE_DEFER) {
-		ret = sdrv->probe(spi);
-		if (ret)
-			dev_pm_domain_detach(dev, true);
-	}
+	if (ret)
+		return ret;
+
+	ret = sdrv->probe(spi);
+	if (ret)
+		dev_pm_domain_detach(dev, true);
 
 	return ret;
 }
-- 
2.7.4