x86/platform/uv/BAU: Convert uv_physnodeaddr() use to uv_gpa_to_offset()

The BAU driver should use the functions provided by uv_hub.h rather than
its own implementations. uv_physnodeaddr converts vaddrs to paddrs for
BAU MMR fields, but this is done better by uv_gpa_to_offset.

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/1474474161-265604-5-git-send-email-abanman@sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>

arch/x86/include/asm/uv/uv_bau.h

@@ -55,8 +55,6 @@
 #define UV_BAU_TUNABLES_DIR		"sgi_uv"
 #define UV_BAU_TUNABLES_FILE		"bau_tunables"
 #define WHITESPACE			" \t\n"
-#define uv_mmask			((1UL << uv_hub_info->m_val) - 1)
-#define uv_physnodeaddr(x)		((__pa((unsigned long)(x)) & uv_mmask))
 #define cpubit_isset(cpu, bau_local_cpumask) \
 	test_bit((cpu), (bau_local_cpumask).bits)
 

arch/x86/platform/uv/tlb_uv.c

@@ -1812,8 +1812,8 @@ static void pq_init(int node, int pnode)
 		bcp->queue_last		= pqp + (DEST_Q_SIZE - 1);
 	}
 
-	first = uv_physnodeaddr(pqp);
-	last = uv_physnodeaddr(pqp + (DEST_Q_SIZE - 1));
+	first = uv_gpa_to_offset(uv_gpa(pqp));
+	last = uv_gpa_to_offset(uv_gpa(pqp + (DEST_Q_SIZE - 1)));
 	tail = first;
 	gnode = uv_gpa_to_gnode(uv_gpa(pqp));
 	first = (gnode << UV_PAYLOADQ_GNODE_SHIFT) | tail;