openwrt/target/linux/bcm27xx/patches-5.15/950-0896-clk-Add-locking-to-clk_get_rate_range.patch
Álvaro Fernández Rojas 20ea6adbf1 bcm27xx: add support for linux v5.15
Build system: x86_64
Build-tested: bcm2708, bcm2709, bcm2710, bcm2711
Run-tested: bcm2708/RPiB+, bcm2709/RPi3B, bcm2710/RPi3B, bcm2711/RPi4B

Signed-off-by: Marty Jones <mj8263788@gmail.com>
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
2022-05-17 15:11:22 +02:00

26 lines
685 B
Diff

From 68587d886984bbae2e7ea6f419d5feabcd24a53e Mon Sep 17 00:00:00 2001
From: Maxime Ripard <maxime@cerno.tech>
Date: Fri, 6 May 2022 12:24:31 +0200
Subject: [PATCH] clk: Add locking to clk_get_rate_range
clk_get_rate_range() is missing the proper locks, making lockdep
complain.
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
---
drivers/clk/clk.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -2589,7 +2589,9 @@ void clk_get_rate_range(struct clk *clk,
if (!clk || !min || !max)
return;
+ clk_prepare_lock();
clk_core_get_boundaries(clk->core, min, max);
+ clk_prepare_unlock();
}
EXPORT_SYMBOL_GPL(clk_get_rate_range);