Commit 3d9fb003 authored Aug 03, 2012 by Will Deacon Committed by Russell King Aug 11, 2012

ARM: 7483/1: vfp: only advertise VFPv4 in hwcaps if CONFIG_VFPv3 is enabled



VFPv4 support depends on the VFPv3 context save/restore code, so only
advertise support in the hwcaps if the kernel can actually handle it.

Cc: <stable@vger.kernel.org> # 3.1+
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

parent f7e416eb

arch/arm/vfp/vfpmodule.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -719,8 +719,10 @@ static int __init vfp_init(void)
		if ((fmrx(MVFR1) & 0x000fff00) == 0x00011100)
		elf_hwcap \|= HWCAP_NEON;
		#endif
		#ifdef CONFIG_VFPv3
		if ((fmrx(MVFR1) & 0xf0000000) == 0x10000000)
		elf_hwcap \|= HWCAP_VFPv4;
		#endif
		}
		}
		return 0;