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authorTony Lindgren <tony@atomide.com>2010-08-16 09:21:20 +0300
committerTony Lindgren <tony@atomide.com>2010-08-16 09:22:04 +0300
commita4192d32ae6788dc607e96fa85f9c9c8274e2212 (patch)
tree5dd733bcbcd1a44cff0cec5ec88f1e99719728e4 /arch
parent8098bb0d8c7fe4ace7d13274c85a149503eee114 (diff)
downloadop-kernel-dev-a4192d32ae6788dc607e96fa85f9c9c8274e2212.zip
op-kernel-dev-a4192d32ae6788dc607e96fa85f9c9c8274e2212.tar.gz
omap: Fix sev instruction usage for multi-omap
Otherwise we get the following error with omap3_defconfig and CONFIG_SMP: Error: selected processor does not support `sev' Signed-off-by: Tony Lindgren <tony@atomide.com> Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-omap2/Makefile1
-rw-r--r--arch/arm/mach-omap2/omap-smp.c3
-rw-r--r--arch/arm/plat-omap/include/plat/smp.h7
3 files changed, 2 insertions, 9 deletions
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 63b2d88..88d3a1e 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -25,6 +25,7 @@ obj-$(CONFIG_LOCAL_TIMERS) += timer-mpu.o
obj-$(CONFIG_HOTPLUG_CPU) += omap-hotplug.o
obj-$(CONFIG_ARCH_OMAP4) += omap44xx-smc.o omap4-common.o
+AFLAGS_omap-headsmp.o :=-Wa,-march=armv7-a
AFLAGS_omap44xx-smc.o :=-Wa,-march=armv7-a
# Functions loaded to SRAM
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index af3c20c..9e9f70e 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -102,8 +102,7 @@ static void __init wakeup_secondary(void)
* Send a 'sev' to wake the secondary core from WFE.
* Drain the outstanding writes to memory
*/
- dsb();
- set_event();
+ dsb_sev();
mb();
}
diff --git a/arch/arm/plat-omap/include/plat/smp.h b/arch/arm/plat-omap/include/plat/smp.h
index 6a3ff65..5177a9c 100644
--- a/arch/arm/plat-omap/include/plat/smp.h
+++ b/arch/arm/plat-omap/include/plat/smp.h
@@ -19,13 +19,6 @@
#include <asm/hardware/gic.h>
-/*
- * set_event() is used to wake up secondary core from wfe using sev. ROM
- * code puts the second core into wfe(standby).
- *
- */
-#define set_event() __asm__ __volatile__ ("sev" : : : "memory")
-
/* Needed for secondary core boot */
extern void omap_secondary_startup(void);
extern u32 omap_modify_auxcoreboot0(u32 set_mask, u32 clear_mask);
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