diff options
Diffstat (limited to 'power/sc7180.c')
| -rw-r--r-- | power/sc7180.c | 29 |
1 files changed, 17 insertions, 12 deletions
diff --git a/power/sc7180.c b/power/sc7180.c index 7d8b5b9cb0..7788f04833 100644 --- a/power/sc7180.c +++ b/power/sc7180.c @@ -171,19 +171,8 @@ void chipset_warm_reset_interrupt(enum gpio_signal signal) GPIO_SEL_1P8V | GPIO_OUT_HIGH); gpio_set_flags(GPIO_AP_RST_L, GPIO_INT_BOTH | GPIO_SEL_1P8V | GPIO_OUT_LOW); - } else { - /* - * The pull-up rail POWER_GOOD drops. - * - * High-Z both AP_RST_L and PS_HOLD to restore their - * states. - */ - gpio_set_flags(GPIO_AP_RST_L, GPIO_INT_BOTH | - GPIO_SEL_1P8V); - gpio_set_flags(GPIO_PS_HOLD, GPIO_INT_BOTH | - GPIO_SEL_1P8V); - ap_rst_overdriven = 0; } + /* Ignore the else clause, the pull-up rail drops. */ } else { if (ap_rst_overdriven) { /* @@ -201,7 +190,23 @@ void chipset_warm_reset_interrupt(enum gpio_signal signal) } /* If not overdriven, just a normal power-up, do nothing. */ } + power_signal_interrupt(signal); +} +void chipset_power_good_interrupt(enum gpio_signal signal) +{ + if (!gpio_get_level(GPIO_POWER_GOOD) && ap_rst_overdriven) { + /* + * POWER_GOOD is the pull-up rail of WARM_RESET_L. + * When POWER_GOOD drops, high-Z both AP_RST_L and PS_HOLD + * to restore their states. + */ + gpio_set_flags(GPIO_AP_RST_L, GPIO_INT_BOTH | + GPIO_SEL_1P8V); + gpio_set_flags(GPIO_PS_HOLD, GPIO_INT_BOTH | + GPIO_SEL_1P8V); + ap_rst_overdriven = 0; + } power_signal_interrupt(signal); } |