clk: mediatek: clk-gate: Shrink by adding clockgating bit check helper

Add a clockgating bit check helper and use it in functions
mtk_cg_bit_is_cleared(), mtk_cg_bit_is_set() to shrink the
file size.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220103143712.46675-1-angelogioacchino.delregno@collabora.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c
index b02d2f7..957fa1d 100644 (file)
--- a/drivers/clk/mediatek/clk-gate.c
+++ b/drivers/clk/mediatek/clk-gate.c
@@ -16,28 +16,24 @@
 #include "clk-mtk.h"
 #include "clk-gate.h"
 
-static int mtk_cg_bit_is_cleared(struct clk_hw *hw)
+static u32 mtk_get_clockgating(struct clk_hw *hw)
 {
        struct mtk_clk_gate *cg = to_mtk_clk_gate(hw);
        u32 val;
 
        regmap_read(cg->regmap, cg->sta_ofs, &val);
 
-       val &= BIT(cg->bit);
+       return val & BIT(cg->bit);
+}
 
-       return val == 0;
+static int mtk_cg_bit_is_cleared(struct clk_hw *hw)
+{
+       return mtk_get_clockgating(hw) == 0;
 }
 
 static int mtk_cg_bit_is_set(struct clk_hw *hw)
 {
-       struct mtk_clk_gate *cg = to_mtk_clk_gate(hw);
-       u32 val;
-
-       regmap_read(cg->regmap, cg->sta_ofs, &val);
-
-       val &= BIT(cg->bit);
-
-       return val != 0;
+       return mtk_get_clockgating(hw) != 0;
 }
 
 static void mtk_cg_set_bit(struct clk_hw *hw)