linux-kernel - [PATCH] m32r: fix build warning about putc

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Date:	Sun, 26 Jun 2016 22:16:07 +0100
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	linux-kernel@...r.kernel.org,
	Sudip Mukherjee <sudipm.mukherjee@...il.com>
Subject: [PATCH] m32r: fix build warning about putc

We were getting build warning:
arch/m32r/boot/compressed/m32r_sio.c:11:13:
        warning: conflicting types for built-in function 'putc'

Here putc is used as a static function so lets just rename it to avoid
the conflict with the builtin putc.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@...ethink.co.uk>
---

build log is at:
https://travis-ci.org/sudipm-mukherjee/parport/jobs/139958498

 arch/m32r/boot/compressed/m32r_sio.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/arch/m32r/boot/compressed/m32r_sio.c b/arch/m32r/boot/compressed/m32r_sio.c
index 01d877c..e5c0c60 100644
--- a/arch/m32r/boot/compressed/m32r_sio.c
+++ b/arch/m32r/boot/compressed/m32r_sio.c
@@ -8,12 +8,13 @@
 
 #include <asm/processor.h>
 
-static void putc(char c);
+static void m32r_putc(char c);
 
 static int puts(const char *s)
 {
 	char c;
-	while ((c = *s++)) putc(c);
+	while (c = *s++)
+		m32r_putc(c);
 	return 0;
 }
 
@@ -41,7 +42,7 @@ static int puts(const char *s)
 #define BOOT_SIO0TXB	PLD_ESIO0TXB
 #endif
 
-static void putc(char c)
+static void m32r_putc(char c)
 {
 	while ((*BOOT_SIO0STS & 0x3) != 0x3)
 		cpu_relax();
@@ -61,7 +62,7 @@ static void putc(char c)
 #define SIO0TXB	(volatile unsigned short *)(0x00efd000 + 30)
 #endif
 
-static void putc(char c)
+static void m32r_putc(char c)
 {
 	while ((*SIO0STS & 0x1) == 0)
 		cpu_relax();
-- 
1.9.1