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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Pengfei Li Fractional part of PLL gets lost after re-enabling the PLL. the MFN can NOT be automatically loaded when doing frac PLL enable/disable, So when re-enable PLL, configure mfn explicitly. Fixes: 1b26cb8a77a4 ("clk: imx: support fracn gppll") Signed-off-by: Pengfei Li Reviewed-by: Jacky Bai Signed-off-by: Peng Fan --- drivers/clk/imx/clk-fracn-gppll.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clk/imx/clk-fracn-gppll.c b/drivers/clk/imx/clk-fracn-gppll.c index 44462ab50e51..1becba2b62d0 100644 --- a/drivers/clk/imx/clk-fracn-gppll.c +++ b/drivers/clk/imx/clk-fracn-gppll.c @@ -291,6 +291,10 @@ static int clk_fracn_gppll_prepare(struct clk_hw *hw) if (val & POWERUP_MASK) return 0; + if (pll->flags & CLK_FRACN_GPPLL_FRACN) + writel_relaxed(readl_relaxed(pll->base + PLL_NUMERATOR), + pll->base + PLL_NUMERATOR); + val |= CLKMUX_BYPASS; writel_relaxed(val, pll->base + PLL_CTRL);