| Message ID | 1487732395-30353-1-git-send-email-zhangqing@rock-chips.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
Am Mittwoch, 22. Februar 2017, 10:59:55 CET schrieb Elaine Zhang: > If pll is power down,when power up pll need wait pll lock. > The reference documents section: > PLL frequency change and lock check > > Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> applied to my clk-branch for 4.12 Thanks Heiko -- To unsubscribe from this list: send the line "unsubscribe linux-clk" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c index 6ed605776abd..c4dfd26f37ae 100644 --- a/drivers/clk/rockchip/clk-pll.c +++ b/drivers/clk/rockchip/clk-pll.c @@ -268,6 +268,7 @@ static int rockchip_rk3036_pll_enable(struct clk_hw *hw) writel(HIWORD_UPDATE(0, RK3036_PLLCON1_PWRDOWN, 0), pll->reg_base + RK3036_PLLCON(1)); + rockchip_pll_wait_lock(pll); return 0; } @@ -500,6 +501,7 @@ static int rockchip_rk3066_pll_enable(struct clk_hw *hw) writel(HIWORD_UPDATE(0, RK3066_PLLCON3_PWRDOWN, 0), pll->reg_base + RK3066_PLLCON(3)); + rockchip_pll_wait_lock(pll); return 0; } @@ -745,6 +747,7 @@ static int rockchip_rk3399_pll_enable(struct clk_hw *hw) writel(HIWORD_UPDATE(0, RK3399_PLLCON3_PWRDOWN, 0), pll->reg_base + RK3399_PLLCON(3)); + rockchip_rk3399_pll_wait_lock(pll); return 0; }
If pll is power down,when power up pll need wait pll lock. The reference documents section: PLL frequency change and lock check Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com> --- drivers/clk/rockchip/clk-pll.c | 3 +++ 1 file changed, 3 insertions(+)