x86: refactor ->enable_apic_mode() subarch methods

Only ES7000 has a real ->enable_apic_mode() method, the other
subarchitectures define it but keep it empty.

So mark the vector as NULL, extend the generic code to handle
NULL -setup_portio_remap() entries and remove all the empty
handlers.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/mach-generic/summit.c b/arch/x86/mach-generic/summit.c
index acf12de8916f..cb83bcbb2dec 100644
--- a/arch/x86/mach-generic/summit.c
+++ b/arch/x86/mach-generic/summit.c
@@ -66,7 +66,7 @@ struct genapic apic_summit = {
         .apicid_to_cpu_present          = summit_apicid_to_cpu_present,
         .setup_portio_remap             = NULL,
         .check_phys_apicid_present      = summit_check_phys_apicid_present,
-        .enable_apic_mode               = enable_apic_mode,
+        .enable_apic_mode               = NULL,
         .phys_pkg_id                    = phys_pkg_id,
         .mps_oem_check                  = mps_oem_check,