diff options
| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-04-18 16:50:04 +0200 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2018-05-02 08:34:59 -0700 |
| commit | 3fd0121b0242dacc020046dade5a0362b6522c5b (patch) | |
| tree | 2aadf87eea009f673eed7cadf81d8368bfe1e81e /drivers/soc/tegra/pmc.c | |
| parent | 54d52ad940bb50284c85adcf481413fb3b82925a (diff) | |
| download | linux-3fd0121b0242dacc020046dade5a0362b6522c5b.tar.bz2 | |
soc/tegra: pmc: Use of_clk_get_parent_count() instead of open coding
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@glider.be>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/soc/tegra/pmc.c')
| -rw-r--r-- | drivers/soc/tegra/pmc.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index d9fcdb592b39..d8cb48a4b8eb 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; |