diff options
| author | Ezequiel Garcia <ezequiel.garcia@imgtec.com> | 2015-05-27 01:01:07 +0300 |
|---|---|---|
| committer | Stephen Boyd <sboyd@codeaurora.org> | 2015-06-04 22:43:29 +0300 |
| commit | 4f4adfbf8e655914bb80daa0252c90b62fd27d78 (patch) | |
| tree | 865edfd9d7a8abca3ff3d24feb243fa4d8e8bdf0 /drivers/clk/pistachio/clk-pll.c | |
| parent | 24c65a02b23509284cce5185d81a150d699837b5 (diff) | |
| download | linux-4f4adfbf8e655914bb80daa0252c90b62fd27d78.tar.xz | |
clk: pistachio: Add a pll_lock() helper for clarity
This commit adds a pll_lock() helper making the code more readable.
Cosmetic change only, no functionality changes.
Signed-off-by: Andrew Bresticker <abrestic@chromium.org>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@imgtec.com>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/pistachio/clk-pll.c')
| -rw-r--r-- | drivers/clk/pistachio/clk-pll.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/clk/pistachio/clk-pll.c b/drivers/clk/pistachio/clk-pll.c index de537560bf70..9ce1be779c9c 100644 --- a/drivers/clk/pistachio/clk-pll.c +++ b/drivers/clk/pistachio/clk-pll.c @@ -67,6 +67,12 @@ static inline void pll_writel(struct pistachio_clk_pll *pll, u32 val, u32 reg) writel(val, pll->base + reg); } +static inline void pll_lock(struct pistachio_clk_pll *pll) +{ + while (!(pll_readl(pll, PLL_STATUS) & PLL_STATUS_LOCK)) + cpu_relax(); +} + static inline u32 do_div_round_closest(u64 dividend, u32 divisor) { dividend += divisor / 2; @@ -178,8 +184,7 @@ static int pll_gf40lp_frac_set_rate(struct clk_hw *hw, unsigned long rate, (params->postdiv2 << PLL_FRAC_CTRL2_POSTDIV2_SHIFT); pll_writel(pll, val, PLL_CTRL2); - while (!(pll_readl(pll, PLL_STATUS) & PLL_STATUS_LOCK)) - cpu_relax(); + pll_lock(pll); if (!was_enabled) pll_gf40lp_frac_disable(hw); @@ -288,8 +293,7 @@ static int pll_gf40lp_laint_set_rate(struct clk_hw *hw, unsigned long rate, (params->postdiv2 << PLL_INT_CTRL1_POSTDIV2_SHIFT); pll_writel(pll, val, PLL_CTRL1); - while (!(pll_readl(pll, PLL_STATUS) & PLL_STATUS_LOCK)) - cpu_relax(); + pll_lock(pll); if (!was_enabled) pll_gf40lp_laint_disable(hw); |