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serial: lpuart: Fix several cosmetic issues

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Clean up the driver codes a little bit, by:
- Use tab instead of space in the macro defines
- Use single line comment whenever possible
- Fix insertion of blank lines

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Bin Meng 2016-01-13 19:39:01 -08:00 committed by Simon Glass
parent 5ed07cf53c
commit 47f1bfca40
1 changed files with 15 additions and 20 deletions
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35
drivers/serial/serial_lpuart.c
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@ -12,15 +12,15 @@
#include <asm/arch/imx-regs.h>
#include <asm/arch/clock.h>
#define US1_TDRE (1 << 7)
#define US1_RDRF (1 << 5)
#define US1_OR (1 << 3)
#define UC2_TE (1 << 3)
#define UC2_RE (1 << 2)
#define CFIFO_TXFLUSH (1 << 7)
#define CFIFO_RXFLUSH (1 << 6)
#define SFIFO_RXOF (1 << 2)
#define SFIFO_RXUF (1 << 0)
#define US1_TDRE (1 << 7)
#define US1_RDRF (1 << 5)
#define US1_OR (1 << 3)
#define UC2_TE (1 << 3)
#define UC2_RE (1 << 2)
#define CFIFO_TXFLUSH (1 << 7)
#define CFIFO_RXFLUSH (1 << 6)
#define SFIFO_RXOF (1 << 2)
#define SFIFO_RXUF (1 << 0)
#define STAT_LBKDIF (1 << 31)
#define STAT_RXEDGIF (1 << 30)
@ -34,7 +34,7 @@
#define STAT_MA1F (1 << 15)
#define STAT_MA2F (1 << 14)
#define STAT_FLAGS (STAT_LBKDIF | STAT_RXEDGIF | STAT_IDLE | STAT_OR | \
STAT_NF | STAT_FE | STAT_PF | STAT_MA1F | STAT_MA2F)
STAT_NF | STAT_FE | STAT_PF | STAT_MA1F | STAT_MA2F)
#define CTRL_TE (1 << 19)
#define CTRL_RE (1 << 18)
@ -59,8 +59,8 @@ static void lpuart_serial_setbrg(void)
gd->baudrate = CONFIG_BAUDRATE;
sbr = (u16)(clk / (16 * gd->baudrate));
/* place adjustment later - n/32 BRFA */
/* place adjustment later - n/32 BRFA */
__raw_writeb(sbr >> 8, &base->ubdh);
__raw_writeb(sbr & 0xff, &base->ubdl);
}
@ -86,9 +86,7 @@ static void lpuart_serial_putc(const char c)
__raw_writeb(c, &base->ud);
}
/*
* Test whether a character is in the RX buffer
*/
/* Test whether a character is in the RX buffer */
static int lpuart_serial_tstc(void)
{
if (__raw_readb(&base->urcfifo) == 0)
@ -120,7 +118,6 @@ static int lpuart_serial_init(void)
__raw_writeb(CFIFO_TXFLUSH | CFIFO_RXFLUSH, &base->ucfifo);
/* provide data bits, parity, stop bit, etc */
serial_setbrg();
__raw_writeb(UC2_RE | UC2_TE, &base->uc2);
@ -148,8 +145,8 @@ static void lpuart32_serial_setbrg(void)
gd->baudrate = CONFIG_BAUDRATE;
sbr = (clk / (16 * gd->baudrate));
/* place adjustment later - n/32 BRFA */
/* place adjustment later - n/32 BRFA */
out_be32(&base->baud, sbr);
}
@ -176,9 +173,7 @@ static void lpuart32_serial_putc(const char c)
out_be32(&base->data, c);
}
/*
* Test whether a character is in the RX buffer
*/
/* Test whether a character is in the RX buffer */
static int lpuart32_serial_tstc(void)
{
if ((in_be32(&base->water) >> 24) == 0)
@ -204,8 +199,8 @@ static int lpuart32_serial_init(void)
out_be32(&base->fifo, ~(FIFO_TXFE | FIFO_RXFE));
out_be32(&base->match, 0);
/* provide data bits, parity, stop bit, etc */
/* provide data bits, parity, stop bit, etc */
serial_setbrg();
out_be32(&base->ctrl, CTRL_RE | CTRL_TE);