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ARM i.MX51: return gracefully on different socs

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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");