[PATCH 2/2] clk: samsung: Fixes PLL locktime for PLL142XX used on FSD platfom - Linux-stable-mirror

30 Sep 2024

Add PLL locktime for PLL142XX controller.
Fixes: 4f346005aaed ("clk: samsung: fsd: Add initial clock support")
Cc: stable@vger.kernel.org
Signed-off-by: Varada Pavani v.pavani@samsung.com
---
 drivers/clk/samsung/clk-pll.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/clk/samsung/clk-pll.c b/drivers/clk/samsung/clk-pll.c
index 4be879ab917e..d4c5ae20de4f 100644
--- a/drivers/clk/samsung/clk-pll.c
+++ b/drivers/clk/samsung/clk-pll.c
@@ -206,6 +206,7 @@ static const struct clk_ops samsung_pll3000_clk_ops = {
  */
 /* Maximum lock time can be 270 * PDIV cycles */
 #define PLL35XX_LOCK_FACTOR	(270)
+#define PLL142XX_LOCK_FACTOR	(150)
#define PLL35XX_MDIV_MASK       (0x3FF)
 #define PLL35XX_PDIV_MASK       (0x3F)
@@ -272,7 +273,11 @@ static int samsung_pll35xx_set_rate(struct clk_hw *hw, unsigned long drate,
    }
/* Set PLL lock time. */
-	writel_relaxed(rate->pdiv * PLL35XX_LOCK_FACTOR,
+	if (pll->type == pll_142xx)
+		writel_relaxed(rate->pdiv * PLL142XX_LOCK_FACTOR,
+			pll->lock_reg);
+	else
+		writel_relaxed(rate->pdiv * PLL35XX_LOCK_FACTOR,
    		pll->lock_reg);
/* Change PLL PMS values */
-- 
2.17.1



    