Commit 9270bdf5 authored Jan 04, 2013 by Mark Brown Committed by Samuel Ortiz Jan 22, 2013

mfd: arizona: Check errors from regcache_sync()



If the control bus is unrelabile we may hit errors during regcache_sync(),
especially given that it tends to be one the most dense bursts of I/O in
many systems.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

parent 1f0529b4

drivers/mfd/arizona-core.c

+6 −1

Original line number	Diff line number	Diff line
		@@ -239,7 +239,12 @@ static int arizona_runtime_resume(struct device *dev)
		return ret;
		}

		regcache_sync(arizona->regmap);
		ret = regcache_sync(arizona->regmap);
		if (ret != 0) {
		dev_err(arizona->dev, "Failed to restore register cache\n");
		regulator_disable(arizona->dcvdd);
		return ret;
		}

		return 0;
		}