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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-11-11 13:34:31 +0200
committerAndy Shevchenko <andriy.shevchenko@linux.intel.com>2020-11-12 12:03:49 +0200
commitd25dd66ae732f7752760d8f9306ba495de9dee8e (patch)
tree2318d9efcb74429477eaa0a82e173d56b160311a /drivers/pinctrl/intel
parent0ddebf8580fa32b1827dcc5230a6db6260096f5e (diff)
pinctrl: lynxpoint: Use defined constant for disabled bias explicitly
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>
Diffstat (limited to 'drivers/pinctrl/intel')
-rw-r--r--drivers/pinctrl/intel/pinctrl-lynxpoint.c6
1 files changed, 4 insertions, 2 deletions
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;