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path: root/drivers/tty/serial/samsung.h
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Diffstat (limited to 'drivers/tty/serial/samsung.h')
-rw-r--r--drivers/tty/serial/samsung.h28
1 files changed, 6 insertions, 22 deletions
diff --git a/drivers/tty/serial/samsung.h b/drivers/tty/serial/samsung.h
index 00a499ecd38..eb071dd19b2 100644
--- a/drivers/tty/serial/samsung.h
+++ b/drivers/tty/serial/samsung.h
@@ -1,3 +1,6 @@
+#ifndef __SAMSUNG_H
+#define __SAMSUNG_H
+
/*
* Driver for Samsung SoC onboard UARTs.
*
@@ -63,12 +66,13 @@ struct s3c24xx_uart_port {
/* conversion functions */
-#define s3c24xx_dev_to_port(__dev) (struct uart_port *)dev_get_drvdata(__dev)
+#define s3c24xx_dev_to_port(__dev) dev_get_drvdata(__dev)
/* register access controls */
#define portaddr(port, reg) ((port)->membase + (reg))
-#define portaddrl(port, reg) ((unsigned long *)((port)->membase + (reg)))
+#define portaddrl(port, reg) \
+ ((unsigned long *)(unsigned long)((port)->membase + (reg)))
#define rd_regb(port, reg) (__raw_readb(portaddr(port, reg)))
#define rd_regl(port, reg) (__raw_readl(portaddr(port, reg)))
@@ -76,24 +80,4 @@ struct s3c24xx_uart_port {
#define wr_regb(port, reg, val) __raw_writeb(val, portaddr(port, reg))
#define wr_regl(port, reg, val) __raw_writel(val, portaddr(port, reg))
-#if defined(CONFIG_SERIAL_SAMSUNG_DEBUG) && \
- defined(CONFIG_DEBUG_LL) && \
- !defined(MODULE)
-
-extern void printascii(const char *);
-
-static void dbg(const char *fmt, ...)
-{
- va_list va;
- char buff[256];
-
- va_start(va, fmt);
- vsprintf(buff, fmt, va);
- va_end(va);
-
- printascii(buff);
-}
-
-#else
-#define dbg(x...) do { } while (0)
#endif