[ARM] Fix decompressor serial IO to give CRLF not LFCR

As per the corresponding change to the serial drivers, arrange
for ARM decompressors to give CRLF.  Move the common putstr code
into misc.c such that machines only need to supply "putc" and
"flush" functions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 11 insertions, 13 deletions

diff --git a/include/asm-arm/arch-h720x/uncompress.h b/include/asm-arm/arch-h720x/uncompress.h
index 9535764bcc7..18c69e0f358 100644
--- a/include/asm-arm/arch-h720x/uncompress.h
+++ b/include/asm-arm/arch-h720x/uncompress.h
@@ -12,22 +12,20 @@
 #define LSR 	0x14
 #define TEMPTY 	0x40
 
-static void putstr(const char *s)
+static inline void putc(int c)
 {
-	char c;
 	volatile unsigned char *p = (volatile unsigned char *)(IO_PHYS+0x20000);
 
-	while ( (c = *s++) != '\0') {
-		/* wait until transmit buffer is empty */
-		while((p[LSR] & TEMPTY) == 0x0);
-		/* write next character */
-		*p = c;
-
-		if(c == '\n') {
-			while((p[LSR] & TEMPTY) == 0x0);
-			*p = '\r';
-		}
-	}
+	/* wait until transmit buffer is empty */
+	while((p[LSR] & TEMPTY) == 0x0)
+		barrier();
+
+	/* write next character */
+	*p = c;
+}
+
+static inline void flush(void)
+{
 }
 
 /*