> -----Original Message-----
> From: linux-omap-ow...@vger.kernel.org [mailto:linux-omap-
> ow...@vger.kernel.org] On Behalf Of Tony Lindgren
> Sent: Friday, August 13, 2010 1:32 PM
> To: linux-arm-ker...@lists.infradead.org
> Cc: linux-omap@vger.kernel.org
> Subject: [PATCH 4/6] 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 <t...@atomide.com>
Looks good to me.
Acked-by: Santosh Shilimkar <santosh.shilim...@ti.com>
> ---
> arch/arm/mach-omap2/Makefile | 1 +
> arch/arm/mach-omap2/omap-smp.c | 3 +--
> arch/arm/plat-omap/include/plat/smp.h | 7 -------
> 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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