clk: imx: gate2: Check if clock is enabled against cgr_val

Seems the logic here was wrong all along. For example, if
the cgr_val is 2 (0b10), the clk_gate2_reg_is_enabled would
report the clock as disabled. So check against cgr_val instead.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/drivers/clk/imx/clk-gate2.c b/drivers/clk/imx/clk-gate2.c
index e1f6cd9..40bcc2d 100644 (file)
--- a/drivers/clk/imx/clk-gate2.c
+++ b/drivers/clk/imx/clk-gate2.c
@@ -86,11 +86,11 @@ out:
        spin_unlock_irqrestore(gate->lock, flags);
 }
 
-static int clk_gate2_reg_is_enabled(void __iomem *reg, u8 bit_idx)
+static int clk_gate2_reg_is_enabled(void __iomem *reg, u8 bit_idx, u8 cgr_val)
 {
        u32 val = readl(reg);
 
-       if (((val >> bit_idx) & 1) == 1)
+       if (((val >> bit_idx) & 3) == cgr_val)
                return 1;
 
        return 0;
@@ -100,7 +100,7 @@ static int clk_gate2_is_enabled(struct clk_hw *hw)
 {
        struct clk_gate2 *gate = to_clk_gate2(hw);
 
-       return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx);
+       return clk_gate2_reg_is_enabled(gate->reg, gate->bit_idx, gate->cgr_val);
 }
 
 static void clk_gate2_disable_unused(struct clk_hw *hw)