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>

diff --git a/arch/arm/mach-mx5/cpu.c b/arch/arm/mach-mx5/cpu.c
index eaacb6e9b5d0b417d0b78d56a8ebb406cb8ee9cd..061ab701b6d92bb4ad92abb4875b3bdb4ddf81a9 100644 (file)
--- a/arch/arm/mach-mx5/cpu.c
+++ b/arch/arm/mach-mx5/cpu.c
@@ -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");