clk: qcom: clk-alpha-pll: fix lucid 5lpe pll enabled check

The lucid 5lpe PLL enable check only checks for an impossible negative
return value and does not actually return as intended in case the PLL is
already enabled (e.g. has been left enabled by boot firmware).

Fixes: f4c7e27 ("clk: qcom: clk-alpha-pll: Add support for Lucid 5LPE PLL")
Signed-off-by: Johan Hovold <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Bjorn Andersson <[email protected]>

Author: jhovold

drivers/clk/qcom/clk-alpha-pll.c

@@ -1903,9 +1903,8 @@ static int alpha_pll_lucid_5lpe_enable(struct clk_hw *hw)
 	}
 
 	/* Check if PLL is already enabled, return if enabled */
-	ret = trion_pll_is_enabled(pll, pll->clkr.regmap);
-	if (ret < 0)
-		return ret;
+	if (trion_pll_is_enabled(pll, pll->clkr.regmap))
+		return 0;
 
 	ret = regmap_update_bits(pll->clkr.regmap, PLL_MODE(pll), PLL_RESET_N, PLL_RESET_N);
 	if (ret)