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ARM i.MX51: return gracefully on different socs 

Code called from an initcall can be maybe called for
machines it's not intended for. So check for valid
machines and return gracefully if an incompatible machine
is found.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2010-11-04 23:08:17 +01:00
parent 8bffb77e19
commit 92fcdc9d10
1 changed files with 3 additions and 0 deletions
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3
arch/arm/mach-mx5/cpu.c
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@ -79,6 +79,9 @@ EXPORT_SYMBOL(mx51_revision);
*/
static int __init mx51_neon_fixup(void)
{
if (!cpu_is_mx51())
return 0;
if (mx51_revision() < MX51_CHIP_REV_3_0 && (elf_hwcap & HWCAP_NEON)) {
elf_hwcap &= ~HWCAP_NEON;
pr_info("Turning off NEON support, detected broken NEON implementation\n");