clk: fractional-divider: Move mask calculations out of lock

There is no need to calculate masks under the lock taken.
Move them out of it.

Signed-off-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20240303121410.240761-1-andy.shevchenko@gmail.com
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

diff --git a/drivers/clk/clk-fractional-divider.c b/drivers/clk/clk-fractional-divider.c
index 5067e067e90666d75114afc144e7ca1462ccc8e6..bd882c45385bbd90e4ffc58f611793a5a906fb08 100644 (file)
--- a/drivers/clk/clk-fractional-divider.c
+++ b/drivers/clk/clk-fractional-divider.c
@@ -195,14 +195,14 @@ static int clk_fd_set_rate(struct clk_hw *hw, unsigned long rate,
                n--;
        }
 
+       mmask = GENMASK(fd->mwidth - 1, 0) << fd->mshift;
+       nmask = GENMASK(fd->nwidth - 1, 0) << fd->nshift;
+
        if (fd->lock)
                spin_lock_irqsave(fd->lock, flags);
        else
                __acquire(fd->lock);
 
-       mmask = GENMASK(fd->mwidth - 1, 0) << fd->mshift;
-       nmask = GENMASK(fd->nwidth - 1, 0) << fd->nshift;
-
        val = clk_fd_readl(fd);
        val &= ~(mmask | nmask);
        val |= (m << fd->mshift) | (n << fd->nshift);