[PATCH v2] ARM: EXYNOS: Use platform device name as power domain name

[Krzysztof Kozlowski]

The power domain nodes in DTS may be very generic (e.g. "power-domain"
for Exynos 5420) making it very hard to debug:

$ cat /sys/kernel/debug/pm_genpd/pm_genpd_summary
    domain                      status         slaves
power-domain                    on

Use platform device name instead so the names will be a little more user
friendly:
    domain                      status         slaves
100440e0.power-domain           on

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@xxxxxxxxxxx>
Suggested-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
Suggested-by: Sergei Shtylyov <sergei.shtylyov@xxxxxxxxxxxxxxxxxx>
Reviewed-by: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
---

Notes:
    Changes since v1:
    1. Add Javier's reviewed-by.

 arch/arm/mach-exynos/pm_domains.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-exynos/pm_domains.c b/arch/arm/mach-exynos/pm_domains.c
index 37266a826437..84e1d9f4d76c 100644
--- a/arch/arm/mach-exynos/pm_domains.c
+++ b/arch/arm/mach-exynos/pm_domains.c
@@ -125,7 +125,7 @@ static __init int exynos4_pm_init_power_domain(void)
 			return -ENOMEM;
 		}
 
-		pd->pd.name = kstrdup(np->name, GFP_KERNEL);
+		pd->pd.name = kstrdup(dev_name(dev), GFP_KERNEL);
 		pd->name = pd->pd.name;
 		pd->base = of_iomap(np, 0);
 		pd->pd.power_off = exynos_pd_power_off;
-- 
1.9.1

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