linux-kernel - [PATCH 6/6] clk: meson: s4: Delete the spinlock from the MPLL

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Message-Id: <20240920-mpll_spinlock-v1-6-5249a9a7e2b7@amlogic.com>
Date: Fri, 20 Sep 2024 16:16:16 +0800
From: Chuan Liu via B4 Relay <devnull+chuan.liu.amlogic.com@...nel.org>
To: Neil Armstrong <neil.armstrong@...aro.org>, 
 Jerome Brunet <jbrunet@...libre.com>, 
 Michael Turquette <mturquette@...libre.com>, 
 Stephen Boyd <sboyd@...nel.org>, Kevin Hilman <khilman@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Cc: linux-amlogic@...ts.infradead.org, linux-clk@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 Chuan Liu <chuan.liu@...ogic.com>
Subject: [PATCH 6/6] clk: meson: s4: Delete the spinlock from the MPLL

From: Chuan Liu <chuan.liu@...ogic.com>

It is meaningless to define a spinlock in the struct meson_clk_mpll_data.

Signed-off-by: Chuan Liu <chuan.liu@...ogic.com>
---
 drivers/clk/meson/s4-pll.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/drivers/clk/meson/s4-pll.c b/drivers/clk/meson/s4-pll.c
index 9697f6577e06..d8e621e79428 100644
--- a/drivers/clk/meson/s4-pll.c
+++ b/drivers/clk/meson/s4-pll.c
@@ -17,8 +17,6 @@
 #include "meson-clkc-utils.h"
 #include <dt-bindings/clock/amlogic,s4-pll-clkc.h>
 
-static DEFINE_SPINLOCK(meson_clk_lock);
-
 /*
  * These clock are a fixed value (fixed_pll is 2GHz) that is initialized by ROMcode.
  * The chip was changed fixed pll for security reasons. Fixed PLL registers are not writable
@@ -547,7 +545,6 @@ static struct clk_regmap s4_mpll0_div = {
 			.shift   = 29,
 			.width	 = 1,
 		},
-		.lock = &meson_clk_lock,
 		.init_regs = s4_mpll0_init_regs,
 		.init_count = ARRAY_SIZE(s4_mpll0_init_regs),
 	},
@@ -601,7 +598,6 @@ static struct clk_regmap s4_mpll1_div = {
 			.shift   = 29,
 			.width	 = 1,
 		},
-		.lock = &meson_clk_lock,
 		.init_regs = s4_mpll1_init_regs,
 		.init_count = ARRAY_SIZE(s4_mpll1_init_regs),
 	},
@@ -655,7 +651,6 @@ static struct clk_regmap s4_mpll2_div = {
 			.shift   = 29,
 			.width	 = 1,
 		},
-		.lock = &meson_clk_lock,
 		.init_regs = s4_mpll2_init_regs,
 		.init_count = ARRAY_SIZE(s4_mpll2_init_regs),
 	},
@@ -709,7 +704,6 @@ static struct clk_regmap s4_mpll3_div = {
 			.shift   = 29,
 			.width	 = 1,
 		},
-		.lock = &meson_clk_lock,
 		.init_regs = s4_mpll3_init_regs,
 		.init_count = ARRAY_SIZE(s4_mpll3_init_regs),
 	},

-- 
2.42.0