diff options
Diffstat (limited to 'drivers/pinctrl')
| -rw-r--r-- | drivers/pinctrl/intel/pinctrl-baytrail.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pinctrl/intel/pinctrl-baytrail.c b/drivers/pinctrl/intel/pinctrl-baytrail.c index 54d3c5c26944..97ead2c58b66 100644 --- a/drivers/pinctrl/intel/pinctrl-baytrail.c +++ b/drivers/pinctrl/intel/pinctrl-baytrail.c @@ -1758,6 +1758,10 @@ static int byt_gpio_suspend(struct device *dev) vg->context.pads[i].conf0 = value; reg = byt_gpio_reg(vg, pin, BYT_VAL_REG); + if (!reg) { + dev_warn(vg->dev, "Pin %i: can't retrieve VAL\n", i); + continue; + } value = readl(reg) & BYT_VAL_RESTORE_MASK; vg->context.pads[i].val = value; } @@ -1794,6 +1798,10 @@ static int byt_gpio_resume(struct device *dev) } reg = byt_gpio_reg(vg, pin, BYT_VAL_REG); + if (!reg) { + dev_warn(vg->dev, "Pin %i: can't retrieve VAL\n", i); + continue; + } value = readl(reg); if ((value & BYT_VAL_RESTORE_MASK) != vg->context.pads[i].val) { |