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 very big number in the allocation below. Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> Acked-by: Jon Hunter <jonathanh@xxxxxxxxxx> --- This depends on "[PATCH v3 1/5] clk: Extract OF clock helpers in <linux/of_clk.h>". v3: - Add Acked-by, v2: - of_clk_get_parent_count() was moved to <linux/of_clk.h>. --- drivers/soc/tegra/pmc.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index d9fcdb592b3966a5..d8cb48a4b8eb1b78 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -31,6 +31,7 @@ #include <linux/iopoll.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/of_clk.h> #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/pm_domain.h> @@ -725,7 +726,7 @@ static int tegra_powergate_of_get_clks(struct tegra_powergate *pg, unsigned int i, count; int err; - count = of_count_phandle_with_args(np, "clocks", "#clock-cells"); + count = of_clk_get_parent_count(np); if (count == 0) return -ENODEV; -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
