[PATCH v2 05/16] clk: samsung: Modify _get_rate() helper to use __clk_lookup()
From: Tomasz Figa <hidden>
Date: 2013-08-26 17:09:00
Also in:
linux-devicetree, linux-samsung-soc
Subsystem:
common clk framework, samsung soc clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Krzysztof Kozlowski, Sylwester Nawrocki, Chanwoo Choi, Peter Griffin, Linus Torvalds
There is no need to use clkdev inside the clock driver to retrieve the clocks for internal use. Instead __clk_lookup() helper can be used to look up clocks by their platform name. This patch modifies the behavior of _get_rate() helper to look up clocks by platform name and adjusts all users of it to pass platform names instead of clkdev aliases. Signed-off-by: Tomasz Figa <redacted> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> --- drivers/clk/samsung/clk-exynos4.c | 4 ++-- drivers/clk/samsung/clk-exynos5440.c | 2 +- drivers/clk/samsung/clk.c | 10 ++++------ 3 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index 7de0769..a974a56 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c@@ -1096,9 +1096,9 @@ static void __init exynos4_clk_init(struct device_node *np, pr_info("%s clocks: sclk_apll = %ld, sclk_mpll = %ld\n" "\tsclk_epll = %ld, sclk_vpll = %ld, arm_clk = %ld\n", exynos4_soc == EXYNOS4210 ? "Exynos4210" : "Exynos4x12", - _get_rate("sclk_apll"), _get_rate("mout_mpll"), + _get_rate("sclk_apll"), _get_rate("sclk_mpll"), _get_rate("sclk_epll"), _get_rate("sclk_vpll"), - _get_rate("armclk")); + _get_rate("arm_clk")); }
diff --git a/drivers/clk/samsung/clk-exynos5440.c b/drivers/clk/samsung/clk-exynos5440.c
index 4ef38e0..f865894 100644
--- a/drivers/clk/samsung/clk-exynos5440.c
+++ b/drivers/clk/samsung/clk-exynos5440.c@@ -132,7 +132,7 @@ static void __init exynos5440_clk_init(struct device_node *np) samsung_clk_register_gate(exynos5440_gate_clks, ARRAY_SIZE(exynos5440_gate_clks)); - pr_info("Exynos5440: arm_clk = %ldHz\n", _get_rate("armclk")); + pr_info("Exynos5440: arm_clk = %ldHz\n", _get_rate("arm_clk")); pr_info("exynos5440 clock initialization complete\n"); } CLK_OF_DECLARE(exynos5440_clk, "samsung,exynos5440-clock", exynos5440_clk_init);
diff --git a/drivers/clk/samsung/clk.c b/drivers/clk/samsung/clk.c
index cd3c40a..f503f32 100644
--- a/drivers/clk/samsung/clk.c
+++ b/drivers/clk/samsung/clk.c@@ -307,14 +307,12 @@ void __init samsung_clk_of_register_fixed_ext( unsigned long _get_rate(const char *clk_name) { struct clk *clk; - unsigned long rate; - clk = clk_get(NULL, clk_name); - if (IS_ERR(clk)) { + clk = __clk_lookup(clk_name); + if (!clk) { pr_err("%s: could not find clock %s\n", __func__, clk_name); return 0; } - rate = clk_get_rate(clk); - clk_put(clk); - return rate; + + return clk_get_rate(clk); }
--
1.8.3.2