Just a cleanup, no functional changes.

Signed-off-by: Geert Uytterhoeven <geert+rene...@glider.be>
Acked-by: Kevin Hilman <khil...@linaro.org>
---
v6:
  - Rebased on top of v4.1-rc1 for new RFC,

v4:
  - Add more explanations,
  - Add Acked-by,

v3:
  - No changes,

v2:
  - New.
---
 drivers/base/power/domain.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index d1531602ae64528d..d20caa2c92b57edf 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -2190,17 +2190,18 @@ static void genpd_dev_pm_sync(struct device *dev)
  */
 int genpd_dev_pm_attach(struct device *dev)
 {
+       struct device_node *np = dev->of_node;
        struct of_phandle_args pd_args;
        struct generic_pm_domain *pd;
        int ret;
 
-       if (!dev->of_node)
+       if (!np)
                return -ENODEV;
 
        if (dev->pm_domain)
                return -EEXIST;
 
-       ret = of_parse_phandle_with_args(dev->of_node, "power-domains",
+       ret = of_parse_phandle_with_args(np, "power-domains",
                                        "#power-domain-cells", 0, &pd_args);
        if (ret < 0) {
                if (ret != -ENOENT)
@@ -2211,8 +2212,7 @@ int genpd_dev_pm_attach(struct device *dev)
                 * (for backwards compatibility of DT ABI)
                 */
                pd_args.args_count = 0;
-               pd_args.np = of_parse_phandle(dev->of_node,
-                                               "samsung,power-domain", 0);
+               pd_args.np = of_parse_phandle(np, "samsung,power-domain", 0);
                if (!pd_args.np)
                        return -ENOENT;
        }
@@ -2221,7 +2221,7 @@ int genpd_dev_pm_attach(struct device *dev)
        if (IS_ERR(pd)) {
                dev_dbg(dev, "%s() failed to find PM domain: %ld\n",
                        __func__, PTR_ERR(pd));
-               of_node_put(dev->of_node);
+               of_node_put(np);
                return PTR_ERR(pd);
        }
 
@@ -2237,7 +2237,7 @@ int genpd_dev_pm_attach(struct device *dev)
        if (ret < 0) {
                dev_err(dev, "failed to add to PM domain %s: %d",
                        pd->name, ret);
-               of_node_put(dev->of_node);
+               of_node_put(np);
                return ret;
        }
 
-- 
1.9.1

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