From 001d50c9a14f1fab94b329161a1db9235b4e60da Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 30 Nov 2017 12:54:28 +0100 Subject: [PATCH] PM / Domains: Remove obsolete "samsung,power-domain" check Currently the generic PM Domain code code checks for the presence of both (generic) "power-domains" and (Samsung Exynos legacy) "samsung,power-domain" properties in all device tree nodes representing devices. There are two issues with this: 1. This imposes a small boot-time penalty on all platforms using DT, 2. Platform-specific checks do not really belong in core framework code. Remove the platform-specific check, as the last user of "samsung,power-domain" was removed in commit 46dcf0ff0de35da8 ("ARM: dts: exynos: Remove exynos4415.dtsi"). All other users were converted before in commit 0da6587041363033 ("ARM: dts: convert to generic power domain bindings for exynos DT"). Signed-off-by: Geert Uytterhoeven Acked-by: Ulf Hansson Acked-by: Krzysztof Kozlowski Signed-off-by: Rafael J. Wysocki --- drivers/base/power/domain.c | 16 ++-------------- 1 file changed, 2 insertions(+), 14 deletions(-) diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c index 0c80bea05bcb..f9dcc981b6b9 100644 --- a/drivers/base/power/domain.c +++ b/drivers/base/power/domain.c @@ -2199,20 +2199,8 @@ int genpd_dev_pm_attach(struct device *dev) ret = of_parse_phandle_with_args(dev->of_node, "power-domains", "#power-domain-cells", 0, &pd_args); - if (ret < 0) { - if (ret != -ENOENT) - return ret; - - /* - * Try legacy Samsung-specific bindings - * (for backwards compatibility of DT ABI) - */ - pd_args.args_count = 0; - pd_args.np = of_parse_phandle(dev->of_node, - "samsung,power-domain", 0); - if (!pd_args.np) - return -ENOENT; - } + if (ret < 0) + return ret; mutex_lock(&gpd_list_lock); pd = genpd_get_from_provider(&pd_args); -- 2.11.0