[PATCH] OMAP: UART: fix wakeup registers for OMAP24xx UART2
Kevin Hilman
khilman at deeprootsystems.com
Wed Oct 20 19:19:03 EDT 2010
On OMAP24xx, UART2 WKEN and WKST registers are in PM_WKEN2_CORE and
PM_WKST2_CORE respecitvely. Fix the OMAP2 register init to use the
correct registers on OMAP24xx.
Signed-off-by: Kevin Hilman <khilman at deeprootsystems.com>
---
Tony, this should probably squeeze in for 2.6.37 as well.
arch/arm/mach-omap2/serial.c | 17 ++++++++++-------
1 files changed, 10 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index ba8a5cc..becf0e3 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -515,14 +515,8 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
uart->padconf = padconf;
} else if (cpu_is_omap24xx()) {
u32 wk_mask = 0;
+ u32 wk_en = PM_WKEN1, wk_st = PM_WKST1;
- if (cpu_is_omap2430()) {
- uart->wk_en = OMAP2430_PRM_REGADDR(CORE_MOD, PM_WKEN1);
- uart->wk_st = OMAP2430_PRM_REGADDR(CORE_MOD, PM_WKST1);
- } else if (cpu_is_omap2420()) {
- uart->wk_en = OMAP2420_PRM_REGADDR(CORE_MOD, PM_WKEN1);
- uart->wk_st = OMAP2420_PRM_REGADDR(CORE_MOD, PM_WKST1);
- }
switch (uart->num) {
case 0:
wk_mask = OMAP24XX_ST_UART1_MASK;
@@ -531,10 +525,19 @@ static void omap_uart_idle_init(struct omap_uart_state *uart)
wk_mask = OMAP24XX_ST_UART2_MASK;
break;
case 2:
+ wk_en = OMAP24XX_PM_WKEN2;
+ wk_st = OMAP24XX_PM_WKST2;
wk_mask = OMAP24XX_ST_UART3_MASK;
break;
}
uart->wk_mask = wk_mask;
+ if (cpu_is_omap2430()) {
+ uart->wk_en = OMAP2430_PRM_REGADDR(CORE_MOD, wk_en);
+ uart->wk_st = OMAP2430_PRM_REGADDR(CORE_MOD, wk_st);
+ } else if (cpu_is_omap2420()) {
+ uart->wk_en = OMAP2420_PRM_REGADDR(CORE_MOD, wk_en);
+ uart->wk_st = OMAP2420_PRM_REGADDR(CORE_MOD, wk_st);
+ }
} else {
uart->wk_en = NULL;
uart->wk_st = NULL;
--
1.7.2.1
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