target/linux/bcm27xx/patches-5.15/950-0896-clk-Add-locking-to-clk_get_rate_range.patch

   1 From 68587d886984bbae2e7ea6f419d5feabcd24a53e Mon Sep 17 00:00:00 2001
   2 From: Maxime Ripard <maxime@cerno.tech>
   3 Date: Fri, 6 May 2022 12:24:31 +0200
   4 Subject: [PATCH] clk: Add locking to clk_get_rate_range
   5
   6 clk_get_rate_range() is missing the proper locks, making lockdep
   7 complain.
   8
   9 Signed-off-by: Maxime Ripard <maxime@cerno.tech>
  10 ---
  11  drivers/clk/clk.c | 2 ++
  12  1 file changed, 2 insertions(+)
  13
  14 --- a/drivers/clk/clk.c
  15 +++ b/drivers/clk/clk.c
  16 @@ -2588,7 +2588,9 @@ void clk_get_rate_range(struct clk *clk,
  17         if (!clk || !min || !max)
  18                 return;
  19
  20 +       clk_prepare_lock();
  21         clk_core_get_boundaries(clk->core, min, max);
  22 +       clk_prepare_unlock();
  23  }
  24  EXPORT_SYMBOL_GPL(clk_get_rate_range);
  25