diff options
| -rw-r--r-- | arch/arm/mach-omap2/serial.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c index ff83e91e6109..72b5c9896390 100644 --- a/arch/arm/mach-omap2/serial.c +++ b/arch/arm/mach-omap2/serial.c @@ -105,10 +105,29 @@ struct omap_uart_state { static LIST_HEAD(uart_list); static u8 num_uarts; +/* + * Since these idle/enable hooks are used in the idle path itself + * which has interrupts disabled, use the non-locking versions of + * the hwmod enable/disable functions. + */ +static int uart_idle_hwmod(struct omap_device *od) +{ + _omap_hwmod_idle(od->hwmods[0]); + + return 0; +} + +static int uart_enable_hwmod(struct omap_device *od) +{ + _omap_hwmod_enable(od->hwmods[0]); + + return 0; +} + static struct omap_device_pm_latency omap_uart_latency[] = { { - .deactivate_func = omap_device_idle_hwmods, - .activate_func = omap_device_enable_hwmods, + .deactivate_func = uart_idle_hwmod, + .activate_func = uart_enable_hwmod, .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, }, }; |