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soc: rockchip: power-domain: check the existing of regmap 

Check return value of syscon_node_to_regmap for
rockchip_pm_domain_probe. If err value is returned, probe
procedure should abort.

Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Shawn Lin 2016-02-15 11:33:57 +08:00 committed by Heiko Stuebner
parent fd8b62cc38
commit 4506697d9f
1 changed files with 4 additions and 0 deletions
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4
drivers/soc/rockchip/pm_domains.c
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@ -475,6 +475,10 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev)
} }
pmu->regmap = syscon_node_to_regmap(parent->of_node); pmu->regmap = syscon_node_to_regmap(parent->of_node);
if (IS_ERR(pmu->regmap)) {
dev_err(dev, "no regmap available\n");
return PTR_ERR(pmu->regmap);
}
/* /*
* Configure power up and down transition delays for CORE * Configure power up and down transition delays for CORE