| Message ID | 20201111113432.35641-1-andriy.shevchenko@linux.intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v1,1/2] pinctrl: lynxpoint: Use defined constant for disabled bias explicitly | expand |
On Wed, Nov 11, 2020 at 01:34:31PM +0200, Andy Shevchenko wrote: > We have a specific constant to describe a disabled bias, > i.e. GPIWP_NONE. Use it explicitly instead of making > an assumption about its value. > > While at it, move argument assignment to the switch-case > in lp_pin_config_get(). > > Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
diff --git a/drivers/pinctrl/intel/pinctrl-lynxpoint.c b/drivers/pinctrl/intel/pinctrl-lynxpoint.c index 849979d5d646..2e9670fc479a 100644 --- a/drivers/pinctrl/intel/pinctrl-lynxpoint.c +++ b/drivers/pinctrl/intel/pinctrl-lynxpoint.c @@ -496,7 +496,7 @@ static int lp_pin_config_get(struct pinctrl_dev *pctldev, unsigned int pin, enum pin_config_param param = pinconf_to_config_param(*config); unsigned long flags; u32 value, pull; - u16 arg = 0; + u16 arg; raw_spin_lock_irqsave(&lg->lock, flags); value = ioread32(conf2); @@ -506,8 +506,9 @@ static int lp_pin_config_get(struct pinctrl_dev *pctldev, unsigned int pin, switch (param) { case PIN_CONFIG_BIAS_DISABLE: - if (pull) + if (pull != GPIWP_NONE) return -EINVAL; + arg = 0; break; case PIN_CONFIG_BIAS_PULL_DOWN: if (pull != GPIWP_DOWN) @@ -550,6 +551,7 @@ static int lp_pin_config_set(struct pinctrl_dev *pctldev, unsigned int pin, switch (param) { case PIN_CONFIG_BIAS_DISABLE: value &= ~GPIWP_MASK; + value |= GPIWP_NONE; break; case PIN_CONFIG_BIAS_PULL_DOWN: value &= ~GPIWP_MASK;
We have a specific constant to describe a disabled bias, i.e. GPIWP_NONE. Use it explicitly instead of making an assumption about its value. While at it, move argument assignment to the switch-case in lp_pin_config_get(). Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/pinctrl/intel/pinctrl-lynxpoint.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)