Merge branch 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6

* 'omap-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6:
  OMAP2: PRCM: fix some SHIFT macros that were actually bitmasks
  OMAP2+: PM/serial: fix console semaphore acquire during suspend
  OMAP1: SRAM: fix size for OMAP1611 SoCs
  arm: omap2: io: fix clk_get() error check
  arm: plat-omap: counter_32k: use IS_ERR() instead of NULL check
  omap: nand: remove hardware ECC as default
  omap: zoom: wl1271 slot is MMC_CAP_POWER_OFF_CARD
  omap: PM debug: fix wake-on-timer debugfs dependency

1 files changed, 31 insertions, 3 deletions

diff --git a/arch/arm/mach-omap2/pm24xx.c b/arch/arm/mach-omap2/pm24xx.c
index c85923e56b8..aaeea49b9bd 100644
--- a/arch/arm/mach-omap2/pm24xx.c
+++ b/arch/arm/mach-omap2/pm24xx.c
@@ -53,6 +53,19 @@
 #include <plat/powerdomain.h>
 #include <plat/clockdomain.h>
 
+#ifdef CONFIG_SUSPEND
+static suspend_state_t suspend_state = PM_SUSPEND_ON;
+static inline bool is_suspending(void)
+{
+	return (suspend_state != PM_SUSPEND_ON);
+}
+#else
+static inline bool is_suspending(void)
+{
+	return false;
+}
+#endif
+
 static void (*omap2_sram_idle)(void);
 static void (*omap2_sram_suspend)(u32 dllctrl, void __iomem *sdrc_dlla_ctrl,
 				  void __iomem *sdrc_power);
@@ -120,8 +133,9 @@ static void omap2_enter_full_retention(void)
 		goto no_sleep;
 
 	/* Block console output in case it is on one of the OMAP UARTs */
-	if (try_acquire_console_sem())
-		goto no_sleep;
+	if (!is_suspending())
+		if (try_acquire_console_sem())
+			goto no_sleep;
 
 	omap_uart_prepare_idle(0);
 	omap_uart_prepare_idle(1);
@@ -136,7 +150,8 @@ static void omap2_enter_full_retention(void)
 	omap_uart_resume_idle(1);
 	omap_uart_resume_idle(0);
 
-	release_console_sem();
+	if (!is_suspending())
+		release_console_sem();
 
 no_sleep:
 	if (omap2_pm_debug) {
@@ -284,6 +299,12 @@ out:
 	local_irq_enable();
 }
 
+static int omap2_pm_begin(suspend_state_t state)
+{
+	suspend_state = state;
+	return 0;
+}
+
 static int omap2_pm_prepare(void)
 {
 	/* We cannot sleep in idle until we have resumed */
@@ -333,10 +354,17 @@ static void omap2_pm_finish(void)
 	enable_hlt();
 }
 
+static void omap2_pm_end(void)
+{
+	suspend_state = PM_SUSPEND_ON;
+}
+
 static struct platform_suspend_ops omap_pm_ops = {
+	.begin		= omap2_pm_begin,
 	.prepare	= omap2_pm_prepare,
 	.enter		= omap2_pm_enter,
 	.finish		= omap2_pm_finish,
+	.end		= omap2_pm_end,
 	.valid		= suspend_valid_only_mem,
 };