This conditional always evaluated as false, regardless of the value of reg. Fix it so that it properly tests the bits in the PLL register. Also test PLL_EN, now that we set it.
Reported-by: Damien Le Moal Damien.LeMoal@wdc.com Signed-off-by: Sean Anderson seanga2@gmail.com ---
Changes in v2: - New
drivers/clk/kendryte/pll.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/kendryte/pll.c b/drivers/clk/kendryte/pll.c index f198920113..d46fd0ebbf 100644 --- a/drivers/clk/kendryte/pll.c +++ b/drivers/clk/kendryte/pll.c @@ -512,7 +512,8 @@ static int k210_pll_enable(struct clk *clk) struct k210_pll *pll = to_k210_pll(clk); u32 reg = readl(pll->reg);
- if ((reg | K210_PLL_PWRD) && !(reg | K210_PLL_RESET)) + if ((reg & K210_PLL_PWRD) && (reg & K210_PLL_EN) && + !(reg & K210_PLL_RESET)) return 0;
reg |= K210_PLL_PWRD;