linux-kernel - [PATCH 4/5] clk: qcom: dispcc-qcm2290: remove alpha values from disp_cc_pll0

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Message-Id: <20241021-alpha-mode-cleanup-v1-4-55df8ed73645@gmail.com>
Date: Mon, 21 Oct 2024 22:22:00 +0200
From: Gabor Juhos <j4g8y7@...il.com>
To: Bjorn Andersson <andersson@...nel.org>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, 
 linux-kernel@...r.kernel.org, Gabor Juhos <j4g8y7@...il.com>
Subject: [PATCH 4/5] clk: qcom: dispcc-qcm2290: remove alpha values from
 disp_cc_pll0_config

Since both the 'alpha' and 'alpha_hi' members of the configuration is
initialized (the latter is implicitly) with zero values, the output
rate of the PLL will be the same whether alpha mode is enabled or not.

Remove the initialization of the alpha* members to make it clear that
the alpha mode is not required to get the desired output rate.

No functional changes intended, compile tested only.

Signed-off-by: Gabor Juhos <j4g8y7@...il.com>
---
 drivers/clk/qcom/dispcc-qcm2290.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/clk/qcom/dispcc-qcm2290.c b/drivers/clk/qcom/dispcc-qcm2290.c
index 449ffea2295d3760f40abe8b1195e9022f46a9b0..d7bb1399e1022afc68e45ee335d615d4a5be5add 100644
--- a/drivers/clk/qcom/dispcc-qcm2290.c
+++ b/drivers/clk/qcom/dispcc-qcm2290.c
@@ -40,8 +40,6 @@ static const struct pll_vco spark_vco[] = {
 /* 768MHz configuration */
 static const struct alpha_pll_config disp_cc_pll0_config = {
 	.l = 0x28,
-	.alpha = 0x0,
-	.alpha_en_mask = BIT(24),
 	.vco_val = 0x2 << 20,
 	.vco_mask = GENMASK(21, 20),
 	.main_output_mask = BIT(0),

-- 
2.47.0