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authorJiri Kosina <jkosina@suse.cz>2010-12-22 12:57:02 -0500
committerJiri Kosina <jkosina@suse.cz>2010-12-22 12:57:02 -0500
commit4b7bd364700d9ac8372eff48832062b936d0793b (patch)
tree0dbf78c95456a0b02d07fcd473281f04a87e266d /arch/arm/mach-omap2/pm34xx.c
parentc0d8768af260e2cbb4bf659ae6094a262c86b085 (diff)
parent90a8a73c06cc32b609a880d48449d7083327e11a (diff)
Merge branch 'master' into for-next
Conflicts: MAINTAINERS arch/arm/mach-omap2/pm24xx.c drivers/scsi/bfa/bfa_fcpim.c Needed to update to apply fixes for which the old branch was too outdated.
Diffstat (limited to 'arch/arm/mach-omap2/pm34xx.c')
-rw-r--r--arch/arm/mach-omap2/pm34xx.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index 4000c3c8bbd5..0cb20d29f70c 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -28,6 +28,7 @@
28#include <linux/clk.h> 28#include <linux/clk.h>
29#include <linux/delay.h> 29#include <linux/delay.h>
30#include <linux/slab.h> 30#include <linux/slab.h>
31#include <linux/console.h>
31 32
32#include <plat/sram.h> 33#include <plat/sram.h>
33#include <plat/clockdomain.h> 34#include <plat/clockdomain.h>
@@ -49,6 +50,19 @@
49#include "sdrc.h" 50#include "sdrc.h"
50#include "control.h" 51#include "control.h"
51 52
53#ifdef CONFIG_SUSPEND
54static suspend_state_t suspend_state = PM_SUSPEND_ON;
55static inline bool is_suspending(void)
56{
57 return (suspend_state != PM_SUSPEND_ON);
58}
59#else
60static inline bool is_suspending(void)
61{
62 return false;
63}
64#endif
65
52/* Scratchpad offsets */ 66/* Scratchpad offsets */
53#define OMAP343X_TABLE_ADDRESS_OFFSET 0xc4 67#define OMAP343X_TABLE_ADDRESS_OFFSET 0xc4
54#define OMAP343X_TABLE_VALUE_OFFSET 0xc0 68#define OMAP343X_TABLE_VALUE_OFFSET 0xc0
@@ -385,6 +399,13 @@ void omap_sram_idle(void)
385 omap3_enable_io_chain(); 399 omap3_enable_io_chain();
386 } 400 }
387 401
402 /* Block console output in case it is on one of the OMAP UARTs */
403 if (!is_suspending())
404 if (per_next_state < PWRDM_POWER_ON ||
405 core_next_state < PWRDM_POWER_ON)
406 if (try_acquire_console_sem())
407 goto console_still_active;
408
388 /* PER */ 409 /* PER */
389 if (per_next_state < PWRDM_POWER_ON) { 410 if (per_next_state < PWRDM_POWER_ON) {
390 omap_uart_prepare_idle(2); 411 omap_uart_prepare_idle(2);
@@ -463,6 +484,10 @@ void omap_sram_idle(void)
463 omap_uart_resume_idle(3); 484 omap_uart_resume_idle(3);
464 } 485 }
465 486
487 if (!is_suspending())
488 release_console_sem();
489
490console_still_active:
466 /* Disable IO-PAD and IO-CHAIN wakeup */ 491 /* Disable IO-PAD and IO-CHAIN wakeup */
467 if (omap3_has_io_wakeup() && 492 if (omap3_has_io_wakeup() &&
468 (per_next_state < PWRDM_POWER_ON || 493 (per_next_state < PWRDM_POWER_ON ||
@@ -504,8 +529,6 @@ out:
504} 529}
505 530
506#ifdef CONFIG_SUSPEND 531#ifdef CONFIG_SUSPEND
507static suspend_state_t suspend_state;
508
509static int omap3_pm_prepare(void) 532static int omap3_pm_prepare(void)
510{ 533{
511 disable_hlt(); 534 disable_hlt();