Messages in this thread Patch in this message | | | From | Shawn Lin <> | Subject | [PATCH 6/6] soc: rockchip: power-domain: check the existing of regmap | Date | Mon, 15 Feb 2016 11:33:57 +0800 |
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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> ---
drivers/soc/rockchip/pm_domains.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c index 534c589..3c4a44d 100644 --- a/drivers/soc/rockchip/pm_domains.c +++ b/drivers/soc/rockchip/pm_domains.c @@ -402,6 +402,10 @@ static int rockchip_pm_domain_probe(struct platform_device *pdev) } pmu->regmap = syscon_node_to_regmap(parent->of_node); + if (IS_ERR(pmu->regmap)) { + dev_err(dev, "no regmap available\n"); + return -ENODEV; + } /* * Configure power up and down transition delays for CORE -- 2.3.7
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