diff options
| author | Heiko Stübner <heiko@sntech.de> | 2016-07-22 23:51:06 +0200 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2016-08-05 18:07:07 -0600 |
| commit | abd0128eb12232948c6b7d3ad88132bb2d4897f8 (patch) | |
| tree | afeb9967661cc3cd950f61bb67e13ea579655acb /drivers/clk | |
| parent | 75a52bd770bcaa3fd065237538263f8e11240fe0 (diff) | |
| download | u-boot-abd0128eb12232948c6b7d3ad88132bb2d4897f8.tar.gz | |
rockchip: remove log2 reimplementation from clock drivers
The already available ilog2 function does exactly the same in the common
case than the log2 function the current clock-driver reimplement.
So, simply move to that one.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/rockchip/clk_rk3036.c | 10 | ||||
| -rw-r--r-- | drivers/clk/rockchip/clk_rk3288.c | 10 |
2 files changed, 6 insertions, 14 deletions
diff --git a/drivers/clk/rockchip/clk_rk3036.c b/drivers/clk/rockchip/clk_rk3036.c index 6202c9da5d..8899b0c62d 100644 --- a/drivers/clk/rockchip/clk_rk3036.c +++ b/drivers/clk/rockchip/clk_rk3036.c @@ -15,6 +15,7 @@ #include <asm/arch/hardware.h> #include <dm/lists.h> #include <dt-bindings/clock/rk3036-cru.h> +#include <linux/log2.h> DECLARE_GLOBAL_DATA_PTR; @@ -48,11 +49,6 @@ enum { static const struct pll_div apll_init_cfg = PLL_DIVISORS(APLL_HZ, 1, 3, 1); static const struct pll_div gpll_init_cfg = PLL_DIVISORS(GPLL_HZ, 2, 2, 1); -static inline unsigned int log2(unsigned int value) -{ - return fls(value) - 1; -} - void *rockchip_get_cru(void) { struct udevice *dev; @@ -177,11 +173,11 @@ static void rkclk_init(struct rk3036_cru *cru) aclk_div = GPLL_HZ / PERI_ACLK_HZ - 1; assert((aclk_div + 1) * PERI_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); - hclk_div = log2(PERI_ACLK_HZ / PERI_HCLK_HZ); + hclk_div = ilog2(PERI_ACLK_HZ / PERI_HCLK_HZ); assert((1 << hclk_div) * PERI_HCLK_HZ == PERI_ACLK_HZ && (pclk_div < 0x4)); - pclk_div = log2(PERI_ACLK_HZ / PERI_PCLK_HZ); + pclk_div = ilog2(PERI_ACLK_HZ / PERI_PCLK_HZ); assert((1 << pclk_div) * PERI_PCLK_HZ == PERI_ACLK_HZ && pclk_div < 0x8); diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c index e00feb0809..c07203d84b 100644 --- a/drivers/clk/rockchip/clk_rk3288.c +++ b/drivers/clk/rockchip/clk_rk3288.c @@ -20,6 +20,7 @@ #include <dm/device-internal.h> #include <dm/lists.h> #include <dm/uclass-internal.h> +#include <linux/log2.h> DECLARE_GLOBAL_DATA_PTR; @@ -186,11 +187,6 @@ static int rkclk_set_pll(struct rk3288_cru *cru, enum rk_clk_id clk_id, return 0; } -static inline unsigned int log2(unsigned int value) -{ - return fls(value) - 1; -} - static int rkclk_configure_ddr(struct rk3288_cru *cru, struct rk3288_grf *grf, unsigned int hz) { @@ -421,11 +417,11 @@ static void rkclk_init(struct rk3288_cru *cru, struct rk3288_grf *grf) aclk_div = GPLL_HZ / PERI_ACLK_HZ - 1; assert((aclk_div + 1) * PERI_ACLK_HZ == GPLL_HZ && aclk_div < 0x1f); - hclk_div = log2(PERI_ACLK_HZ / PERI_HCLK_HZ); + hclk_div = ilog2(PERI_ACLK_HZ / PERI_HCLK_HZ); assert((1 << hclk_div) * PERI_HCLK_HZ == PERI_ACLK_HZ && (hclk_div < 0x4)); - pclk_div = log2(PERI_ACLK_HZ / PERI_PCLK_HZ); + pclk_div = ilog2(PERI_ACLK_HZ / PERI_PCLK_HZ); assert((1 << pclk_div) * PERI_PCLK_HZ == PERI_ACLK_HZ && (pclk_div < 0x4)); |