From 20c82d93d3c284700c7749f51d4eff3eaaf3e13f Mon Sep 17 00:00:00 2001
From: Daniel Sanders <daniel.sanders@imgtec.com>
Date: Tue, 24 Feb 2015 15:25:10 +0000
Subject: [PATCH] MIPS: LLVMLinux: Fix an 'inline asm input/output type
 mismatch' error.

Replace incorrect matching constraint that caused the error with an alternative
that still has the required constraints on the inline assembly.

This is the error message reported by clang:
arch/mips/include/asm/checksum.h:285:27: error: unsupported inline asm: input with type '__be32' (aka 'unsigned int') matching output with type 'unsigned short'
          "0" (htonl(len)), "1" (htonl(proto)), "r" (sum));
                                 ^~~~~~~~~~~~

The changed code can be compiled successfully by both gcc and clang.

Signed-off-by: Daniel Sanders <daniel.sanders@imgtec.com>
Signed-off-by: Toma Tabacu <toma.tabacu@imgtec.com>
Suggested-by: Maciej W. Rozycki <macro@linux-mips.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Markos Chandras <markos.chandras@imgtec.com>
Cc: Leonid Yegoshin <Leonid.Yegoshin@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/9313/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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