diff options
Diffstat (limited to 'drivers/mfd/tc35892.c')
| -rw-r--r-- | drivers/mfd/tc35892.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/mfd/tc35892.c b/drivers/mfd/tc35892.c index c470917e288..33d44bbc731 100644 --- a/drivers/mfd/tc35892.c +++ b/drivers/mfd/tc35892.c @@ -234,12 +234,15 @@ static int tc35892_chip_init(struct tc35892 *tc35892) dev_info(tc35892->dev, "manufacturer: %#x, version: %#x\n", manf, ver); - /* Put everything except the IRQ module into reset */ + /* + * Put everything except the IRQ module into reset; + * also spare the GPIO module for any pin initialization + * done during pre-kernel boot + */ ret = tc35892_reg_write(tc35892, TC35892_RSTCTRL, TC35892_RSTCTRL_TIMRST | TC35892_RSTCTRL_ROTRST - | TC35892_RSTCTRL_KBDRST - | TC35892_RSTCTRL_GPIRST); + | TC35892_RSTCTRL_KBDRST); if (ret < 0) return ret; |