As of_clk_get_parent_count() returns zero on failure, while of_count_phandle_with_args() might return a negative error code, this also fixes the issue of possibly using a negative number in the allocation below.
Signed-off-by: Geert Uytterhoeven <[email protected]> Reviewed-by: Heiko Stuebner <[email protected]> --- This depends on "[PATCH v3 1/5] clk: Extract OF clock helpers in <linux/of_clk.h>". v3: - Add Reviewed-by, v2: - of_clk_get_parent_count() was moved to <linux/of_clk.h>. --- drivers/soc/rockchip/pm_domains.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/soc/rockchip/pm_domains.c b/drivers/soc/rockchip/pm_domains.c index 53efc386b1ada8cf..13913d40c8213e36 100644 --- a/drivers/soc/rockchip/pm_domains.c +++ b/drivers/soc/rockchip/pm_domains.c @@ -14,6 +14,7 @@ #include <linux/pm_clock.h> #include <linux/pm_domain.h> #include <linux/of_address.h> +#include <linux/of_clk.h> #include <linux/of_platform.h> #include <linux/clk.h> #include <linux/regmap.h> @@ -400,8 +401,7 @@ static int rockchip_pm_add_one_domain(struct rockchip_pmu *pmu, pd->info = pd_info; pd->pmu = pmu; - pd->num_clks = of_count_phandle_with_args(node, "clocks", - "#clock-cells"); + pd->num_clks = of_clk_get_parent_count(node); if (pd->num_clks > 0) { pd->clks = devm_kcalloc(pmu->dev, pd->num_clks, sizeof(*pd->clks), GFP_KERNEL); -- 2.7.4
