SAMSUNG: serial: remove compiler warnings

remove below warnings
serial_s5p.c: In function 'serial_getc_dev':
serial_s5p.c:136: warning: dereferencing type-punned pointer will break strict-aliasing rules
serial_s5p.c: In function 'serial_putc_dev':
serial_s5p.c:152: warning: dereferencing type-punned pointer will break strict-aliasing rules

Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>

diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index 9747db37219313f97b287bb8b945dc9226f0cbd5..e0d4e8004dd01886b940933ea8551788fdef6f28 100644 (file)
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -133,7 +133,7 @@ int serial_getc_dev(const int dev_index)
                        return 0;
        }
 
-       return (int)(readl(&uart->urxh) & 0xff);
+       return (int)(readb(&uart->urxh) & 0xff);
 }
 
 /*
@@ -149,7 +149,7 @@ void serial_putc_dev(const char c, const int dev_index)
                        return;
        }
 
-       writel(c, &uart->utxh);
+       writeb(c, &uart->utxh);
 
        /* If \n, also do \r */
        if (c == '\n')