clk: nxp: Remove unused variable
authorJonathan Neuschäfer <j.neuschaefer@gmx.net>
Sat, 5 Feb 2022 10:36:07 +0000 (11:36 +0100)
committerStephen Boyd <sboyd@kernel.org>
Sat, 26 Feb 2022 00:41:38 +0000 (16:41 -0800)
GCC warns:

> ../drivers/clk/nxp/clk-lpc18xx-cgu.c: In function ‘lpc18xx_pll1_recalc_rate’:
> ../drivers/clk/nxp/clk-lpc18xx-cgu.c:460:13: warning: variable ‘stat’ set but not used [-Wunused-but-set-variable]
>   460 |         u32 stat, ctrl;
>       |             ^~~~

Get rid of the (apparently) useless read from the PLL1_STAT register and
the declaration of stat.

Reported-by: kernel test robot <lkp@intel.com>
Fixes: b04e0b8fd5443 ("clk: add lpc18xx cgu clk driver")
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Link: https://lore.kernel.org/r/20220205103613.1216218-2-j.neuschaefer@gmx.net
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
drivers/clk/nxp/clk-lpc18xx-cgu.c

index 8b686da5577b3b8038b0507d8075551cab48c5fc..349eebf69ed93887244f050dc19dde40194e4463 100644 (file)
@@ -457,9 +457,8 @@ static unsigned long lpc18xx_pll1_recalc_rate(struct clk_hw *hw,
        struct lpc18xx_pll *pll = to_lpc_pll(hw);
        u16 msel, nsel, psel;
        bool direct, fbsel;
-       u32 stat, ctrl;
+       u32 ctrl;
 
-       stat = readl(pll->reg + LPC18XX_CGU_PLL1_STAT);
        ctrl = readl(pll->reg + LPC18XX_CGU_PLL1_CTRL);
 
        direct = (ctrl & LPC18XX_PLL1_CTRL_DIRECT) ? true : false;