x86/rtc, mrst: Don't register a platform RTC device for for Intel MID platforms
Intel MID x86 platforms have a memory mapped virtual RTC
instead. No MID platform have the default ports (and
accessing them may do weird stuff).
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Cc: feng.tang@intel.com
Cc: Feng Tang <feng.tang@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/arch/x86/include/asm/mrst.h b/arch/x86/include/asm/mrst.h
index e628312..93f7909 100644
--- a/arch/x86/include/asm/mrst.h
+++ b/arch/x86/include/asm/mrst.h
@@ -31,11 +31,20 @@
};
extern enum mrst_cpu_type __mrst_cpu_chip;
+
+#ifdef CONFIG_X86_INTEL_MID
+
static inline enum mrst_cpu_type mrst_identify_cpu(void)
{
return __mrst_cpu_chip;
}
+#else /* !CONFIG_X86_INTEL_MID */
+
+#define mrst_identify_cpu() (0)
+
+#endif /* !CONFIG_X86_INTEL_MID */
+
enum mrst_timer_options {
MRST_TIMER_DEFAULT,
MRST_TIMER_APBT_ONLY,