[1/2] CLK: HSDK: Check for PLL bypass firstly
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Message ID 20200129110830.22004-1-Eugeniy.Paltsev@synopsys.com
State New
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Series
  • [1/2] CLK: HSDK: Check for PLL bypass firstly
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Commit Message

Eugeniy Paltsev Jan. 29, 2020, 11:08 a.m. UTC
Pll bypass has priority over enable/disable.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
 drivers/clk/clk-hsdk-cgu.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

Patch
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diff --git a/drivers/clk/clk-hsdk-cgu.c b/drivers/clk/clk-hsdk-cgu.c
index 56ef08c032b..69e6b24b66c 100644
--- a/drivers/clk/clk-hsdk-cgu.c
+++ b/drivers/clk/clk-hsdk-cgu.c
@@ -377,14 +377,14 @@  static ulong pll_get(struct clk *sclk)
 
 	pr_debug("current configurarion: %#x\n", val);
 
-	/* Check if PLL is disabled */
-	if (val & CGU_PLL_CTRL_PD)
-		return 0;
-
 	/* Check if PLL is bypassed */
 	if (val & CGU_PLL_CTRL_BYPASS)
 		return PARENT_RATE;
 
+	/* Check if PLL is disabled */
+	if (val & CGU_PLL_CTRL_PD)
+		return 0;
+
 	/* input divider = reg.idiv + 1 */
 	idiv = 1 + ((val & CGU_PLL_CTRL_IDIV_MASK) >> CGU_PLL_CTRL_IDIV_SHIFT);
 	/* fb divider = 2*(reg.fbdiv + 1) */