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-rw-r--r--drivers/serial/ns16550.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 0174744..056c25d 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -17,24 +17,24 @@
UART_FCR_RXSR | \
UART_FCR_TXSR) /* Clear & enable FIFOs */
#ifdef CONFIG_SYS_NS16550_PORT_MAPPED
-#define serial_out(x,y) outb(x,(ulong)y)
-#define serial_in(y) inb((ulong)y)
+#define serial_out(x, y) outb(x, (ulong)y)
+#define serial_in(y) inb((ulong)y)
#elif defined(CONFIG_SYS_NS16550_MEM32) && (CONFIG_SYS_NS16550_REG_SIZE > 0)
-#define serial_out(x,y) out_be32(y,x)
-#define serial_in(y) in_be32(y)
+#define serial_out(x, y) out_be32(y, x)
+#define serial_in(y) in_be32(y)
#elif defined(CONFIG_SYS_NS16550_MEM32) && (CONFIG_SYS_NS16550_REG_SIZE < 0)
-#define serial_out(x,y) out_le32(y,x)
-#define serial_in(y) in_le32(y)
+#define serial_out(x, y) out_le32(y, x)
+#define serial_in(y) in_le32(y)
#else
-#define serial_out(x,y) writeb(x,y)
-#define serial_in(y) readb(y)
+#define serial_out(x, y) writeb(x, y)
+#define serial_in(y) readb(y)
#endif
#ifndef CONFIG_SYS_NS16550_IER
#define CONFIG_SYS_NS16550_IER 0x00
#endif /* CONFIG_SYS_NS16550_IER */
-void NS16550_init (NS16550_t com_port, int baud_divisor)
+void NS16550_init(NS16550_t com_port, int baud_divisor)
{
serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier);
#if defined(CONFIG_OMAP) && !defined(CONFIG_OMAP3_ZOOM2)
@@ -52,15 +52,17 @@ void NS16550_init (NS16550_t com_port, int baud_divisor)
serial_out(UART_LCRVAL, &com_port->lcr);
#if defined(CONFIG_OMAP) && !defined(CONFIG_OMAP3_ZOOM2)
#if defined(CONFIG_APTIX)
- serial_out(3, &com_port->mdr1); /* /13 mode so Aptix 6MHz can hit 115200 */
+ /* /13 mode so Aptix 6MHz can hit 115200 */
+ serial_out(3, &com_port->mdr1);
#else
- serial_out(0, &com_port->mdr1); /* /16 is proper to hit 115200 with 48MHz */
+ /* /16 is proper to hit 115200 with 48MHz */
+ serial_out(0, &com_port->mdr1);
#endif
#endif /* CONFIG_OMAP */
}
#ifndef CONFIG_NS16550_MIN_FUNCTIONS
-void NS16550_reinit (NS16550_t com_port, int baud_divisor)
+void NS16550_reinit(NS16550_t com_port, int baud_divisor)
{
serial_out(CONFIG_SYS_NS16550_IER, &com_port->ier);
serial_out(UART_LCR_BKSE | UART_LCRVAL, &com_port->lcr);
@@ -76,9 +78,10 @@ void NS16550_reinit (NS16550_t com_port, int baud_divisor)
}
#endif /* CONFIG_NS16550_MIN_FUNCTIONS */
-void NS16550_putc (NS16550_t com_port, char c)
+void NS16550_putc(NS16550_t com_port, char c)
{
- while ((serial_in(&com_port->lsr) & UART_LSR_THRE) == 0);
+ while ((serial_in(&com_port->lsr) & UART_LSR_THRE) == 0)
+ ;
serial_out(c, &com_port->thr);
/*
@@ -92,7 +95,7 @@ void NS16550_putc (NS16550_t com_port, char c)
}
#ifndef CONFIG_NS16550_MIN_FUNCTIONS
-char NS16550_getc (NS16550_t com_port)
+char NS16550_getc(NS16550_t com_port)
{
while ((serial_in(&com_port->lsr) & UART_LSR_DR) == 0) {
#ifdef CONFIG_USB_TTY
@@ -104,9 +107,9 @@ char NS16550_getc (NS16550_t com_port)
return serial_in(&com_port->rbr);
}
-int NS16550_tstc (NS16550_t com_port)
+int NS16550_tstc(NS16550_t com_port)
{
- return ((serial_in(&com_port->lsr) & UART_LSR_DR) != 0);
+ return (serial_in(&com_port->lsr) & UART_LSR_DR) != 0;
}
#endif /* CONFIG_NS16550_MIN_FUNCTIONS */