From: Shawn Lin <shawn.lin@rock-chips.com>
To: Heiko Stuebner <heiko@sntech.de>,
Michael Turquette <mturquette@baylibre.com>,
Stephen Boyd <sboyd@codeaurora.org>
Cc: linux-clk@vger.kernel.org, linux-rockchip@lists.infradead.org,
linux-kernel@vger.kernel.org,
Shawn Lin <shawn.lin@rock-chips.com>
Subject: [PATCH 6/6] soc: rockchip: power-domain: check the existing of regmap
Date: Mon, 15 Feb 2016 11:33:57 +0800 [thread overview]
Message-ID: <1455507237-13161-1-git-send-email-shawn.lin@rock-chips.com> (raw)
In-Reply-To: <1455507153-12914-1-git-send-email-shawn.lin@rock-chips.com>
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
next prev parent reply other threads:[~2016-02-15 3:38 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-15 3:32 [PATCH 0/6] Some trivial fixes for rockchip clk/pm stuff Shawn Lin
2016-02-15 3:33 ` [PATCH 1/6] clk: rockchip: handle alt_parent in err cases when registering cpuclk Shawn Lin
2016-02-15 21:39 ` Heiko Stuebner
2016-02-15 3:33 ` [PATCH 2/6] clk: rockchip: check grf when waiting pll lock Shawn Lin
2016-02-15 21:40 ` Heiko Stuebner
2016-02-15 3:33 ` [PATCH 3/6] clk: rockchip: don't return NULL when registering inverter fails Shawn Lin
2016-02-15 22:41 ` Heiko Stuebner
2016-02-15 3:33 ` [PATCH 4/6] clk: rockchip: don't return NULL when registering mmc branch fails Shawn Lin
2016-02-15 22:42 ` Heiko Stuebner
2016-02-15 3:33 ` [PATCH 5/6] clk: rockchip: fix coding style for clk-cpu.c Shawn Lin
2016-02-15 22:42 ` Heiko Stuebner
2016-02-15 3:33 ` Shawn Lin [this message]
2016-02-15 21:26 ` [PATCH 6/6] soc: rockchip: power-domain: check the existing of regmap Heiko Stuebner
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