diff options
| author | Kevin Hilman <khilman@deeprootsystems.com> | 2010-09-27 20:20:06 +0530 |
|---|---|---|
| committer | Kevin Hilman <khilman@deeprootsystems.com> | 2010-09-29 12:42:58 -0700 |
| commit | 8da37d9dc52befa8b55bdc20eef2a4aaf20e0c8d (patch) | |
| tree | d0e9702f203263bddb91439b09c7a1be0ded361a /arch/arm/mach-omap2/serial.c | |
| parent | 3244fcd227526a2f21018a280c7af0a9219c6ff4 (diff) | |
OMAP: UART: use non-locking versions of hwmod enable/idle functions
Since the UART enable/idle is done during the idle path (with
interrupts disabled), use the non-locking versions of the hwmod
enable/idle functions.
Signed-off-by: Govindraj.R <govindraj.raja@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
| -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 ff83e91e610..72b5c989639 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, }, }; |