x86/platform/uv/BAU: Populate ->uvhub_version with UV4 version information

Signed-off-by: Andrew Banman <abanman@sgi.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Mike Travis <travis@sgi.com>
Acked-by: Dimitri Sivanich <sivanich@sgi.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: akpm@linux-foundation.org
Cc: rja@sgi.com
Link: http://lkml.kernel.org/r/1474474161-265604-8-git-send-email-abanman@sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/platform/uv/tlb_uv.c

@@ -2044,8 +2044,10 @@ static int scan_sock(struct socket_desc *sdp, struct uvhub_desc *bdp,
 			bcp->uvhub_version = 2;
 		else if (is_uv3_hub())
 			bcp->uvhub_version = 3;
+		else if (is_uv4_hub())
+			bcp->uvhub_version = 4;
 		else {
-			pr_emerg("uvhub version not 1, 2, or 3\n");
+			pr_emerg("uvhub version not 1, 2, 3, or 4\n");
 			return 1;
 		}
 		bcp->uvhub_master = *hmasterp;