drivers/pinctrl/nuvoton/pinctrl-ma35.c:316 ma35_gpio_get_mode() warn: subtract is higher precedence than shift

drivers/pinctrl/nuvoton/pinctrl-ma35.c:316 ma35_gpio_get_mode() warn: subtract is higher precedence than shift

[kernel test robot]

BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
CC: linux-kernel@vger.kernel.org
TO: Geert Uytterhoeven <geert+renesas@glider.be>
CC: "Yury Norov (NVIDIA)" <yury.norov@gmail.com>
CC: Linus Walleij <linus.walleij@linaro.org>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   b29fb8829bff243512bb8c8908fd39406f9fd4c3
commit: bb0e7fda87753a973cb4a86c22905b1177f00d4e pinctrl: ma35: Convert to common field_{get,prep}() helpers
date:   4 months ago
:::::: branch date: 2 hours ago
:::::: commit date: 4 months ago
config: mips-randconfig-r073-20260311 (https://download.01.org/0day-ci/archive/20260311/202603111303.ltrBMeFy-lkp@intel.com/config)
compiler: mips-linux-gcc (GCC) 14.3.0
smatch: v0.5.0-9004-gb810ac53

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Reported-by: Dan Carpenter <error27@gmail.com>
| Closes: https://lore.kernel.org/r/202603111303.ltrBMeFy-lkp@intel.com/

smatch warnings:
drivers/pinctrl/nuvoton/pinctrl-ma35.c:316 ma35_gpio_get_mode() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:316 ma35_gpio_get_mode() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:316 ma35_gpio_get_mode() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:316 ma35_gpio_get_mode() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:674 ma35_pinconf_get_pull() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:674 ma35_pinconf_get_pull() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:674 ma35_pinconf_get_pull() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:674 ma35_pinconf_get_pull() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:756 ma35_pinconf_get_drive_strength() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:756 ma35_pinconf_get_drive_strength() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:756 ma35_pinconf_get_drive_strength() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:756 ma35_pinconf_get_drive_strength() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:850 ma35_pinconf_get_slew_rate() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:850 ma35_pinconf_get_slew_rate() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:850 ma35_pinconf_get_slew_rate() warn: subtract is higher precedence than shift
drivers/pinctrl/nuvoton/pinctrl-ma35.c:850 ma35_pinconf_get_slew_rate() warn: subtract is higher precedence than shift

vim +316 drivers/pinctrl/nuvoton/pinctrl-ma35.c

f805e356313bbc Jacky Huang 2024-05-21  311  
f805e356313bbc Jacky Huang 2024-05-21  312  static u32 ma35_gpio_get_mode(void __iomem *reg_mode, unsigned int gpio)
f805e356313bbc Jacky Huang 2024-05-21  313  {
f805e356313bbc Jacky Huang 2024-05-21  314  	u32 regval = readl(reg_mode);
f805e356313bbc Jacky Huang 2024-05-21  315  
f805e356313bbc Jacky Huang 2024-05-21 @316  	return field_get(MA35_GP_MODE_MASK(gpio), regval);
f805e356313bbc Jacky Huang 2024-05-21  317  }
f805e356313bbc Jacky Huang 2024-05-21  318  

:::::: The code at line 316 was first introduced by commit
:::::: f805e356313bbcafef48808c14eb9ce7f4ff2560 pinctrl: nuvoton: Add ma35d1 pinctrl and GPIO driver

:::::: TO: Jacky Huang <ychuang3@nuvoton.com>
:::::: CC: Linus Walleij <linus.walleij@linaro.org>

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