This patch keeps the system active while UART inactivity timer is ON
Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
---
arch/arm/mach-omap2/cpuidle34xx.c | 3 ++-
arch/arm/mach-omap2/pm34xx.c | 2 --
arch/arm/plat-omap/include/mach/serial.h | 1 +
3 files changed, 3 insertions(+), 3 deletions(-)
Index: linux-omap-2.6/arch/arm/mach-omap2/cpuidle34xx.c
===================================================================
--- linux-omap-2.6.orig/arch/arm/mach-omap2/cpuidle34xx.c 2008-09-01
18:11:55.000000000 +0530
+++ linux-omap-2.6/arch/arm/mach-omap2/cpuidle34xx.c 2008-09-01
18:11:56.000000000 +0530
@@ -29,6 +29,7 @@
#include <mach/gpmc.h>
#include <mach/control.h>
#include <mach/irqs.h>
+#include <mach/serial.h>
#include <linux/sched.h>
#include "cpuidle34xx.h"
@@ -93,7 +94,7 @@ static int omap3_enter_idle(struct cpuid
current_cx_state = *cx;
- if (cx->type == OMAP3_STATE_C0) {
+ if (cx->type == OMAP3_STATE_C0 || !omap_serial_can_sleep()) {
/* Do nothing for C0, not even a wfi */
return 0;
}
Index: linux-omap-2.6/arch/arm/mach-omap2/pm34xx.c
===================================================================
--- linux-omap-2.6.orig/arch/arm/mach-omap2/pm34xx.c 2008-09-01
18:11:55.000000000 +0530
+++ linux-omap-2.6/arch/arm/mach-omap2/pm34xx.c 2008-09-01 18:11:56.000000000
+0530
@@ -390,8 +390,6 @@ int omap3_can_sleep(void)
return 0;
if (atomic_read(&sleep_block) > 0)
return 0;
- if (!omap_serial_can_sleep())
- return 0;
return 1;
}
Index: linux-omap-2.6/arch/arm/plat-omap/include/mach/serial.h
===================================================================
--- linux-omap-2.6.orig/arch/arm/plat-omap/include/mach/serial.h 2008-09-01
18:11:50.000000000 +0530
+++ linux-omap-2.6/arch/arm/plat-omap/include/mach/serial.h 2008-09-01
18:11:56.000000000 +0530
@@ -50,5 +50,6 @@ struct omap3_uart_regs {
};
extern void omap3_save_uart_ctx(int unum);
extern void omap3_restore_uart_ctx(int unum);
+extern int omap_serial_can_sleep(void);
#endif /* __ASSEMBLY__ */
#endif
--
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