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authorIngo Molnar <mingo@elte.hu>2010-12-08 20:15:26 +0100
committerIngo Molnar <mingo@elte.hu>2010-12-08 20:15:29 +0100
commit8e9255e6a2141e050d51bc4d96dbef494a87d653 (patch)
treef190b142830153eaab05555a93c4f71a144ba3d4 /arch/arm/mach-omap2/serial.c
parentsched: Add 'autogroup' scheduling feature: automated per session task groups (diff)
parentMerge branches 'x86-fixes-for-linus', 'perf-fixes-for-linus' and 'sched-fixes... (diff)
downloadlinux-8e9255e6a2141e050d51bc4d96dbef494a87d653.tar.xz
linux-8e9255e6a2141e050d51bc4d96dbef494a87d653.zip
Merge branch 'linus' into sched/core
Merge reason: we want to queue up dependent cleanup Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap2/serial.c')
-rw-r--r--arch/arm/mach-omap2/serial.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index becf0e38ef7e..d17960a1be25 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -27,6 +27,7 @@
#include <linux/slab.h>
#include <linux/serial_8250.h>
#include <linux/pm_runtime.h>
+#include <linux/console.h>
#ifdef CONFIG_SERIAL_OMAP
#include <plat/omap-serial.h>
@@ -406,7 +407,7 @@ void omap_uart_resume_idle(int num)
struct omap_uart_state *uart;
list_for_each_entry(uart, &uart_list, node) {
- if (num == uart->num) {
+ if (num == uart->num && uart->can_sleep) {
omap_uart_enable_clocks(uart);
/* Check for IO pad wakeup */
@@ -807,6 +808,8 @@ void __init omap_serial_init_port(int port)
oh->dev_attr = uart;
+ acquire_console_sem(); /* in case the earlycon is on the UART */
+
/*
* Because of early UART probing, UART did not get idled
* on init. Now that omap_device is ready, ensure full idle
@@ -831,6 +834,8 @@ void __init omap_serial_init_port(int port)
omap_uart_block_sleep(uart);
uart->timeout = DEFAULT_TIMEOUT;
+ release_console_sem();
+
if ((cpu_is_omap34xx() && uart->padconf) ||
(uart->wk_en && uart->wk_mask)) {
device_init_wakeup(&od->pdev.dev, true);