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Message-ID: <20190305114555.16882-1-cquast@hanoverdisplays.com>
Date: Tue, 5 Mar 2019 11:45:55 +0000
From: Christina Quast <cquast@...overdisplays.com>
To: unlisted-recipients:; (no To-header on input)
CC: <shawnguo@...nel.org>, <s.hauer@...gutronix.de>,
<u.kleine-koenig@...gutronix.de>,
Christina Quast <cquast@...overdisplays.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Jiri Slaby <jslaby@...e.com>, <linux-serial@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v2] serial: imx: Rename URTX0 to UTXD, URXD0 to URXD
Rename to be coherent with the datasheet.
Signed-off-by: Christina Quast <cquast@...overdisplays.com>
---
drivers/tty/serial/imx.c | 24 ++++++++++++------------
1 file changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index dff75dc94731..8edb368690d9 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -39,8 +39,8 @@
#include "serial_mctrl_gpio.h"
/* Register definitions */
-#define URXD0 0x0 /* Receiver Register */
-#define URTX0 0x40 /* Transmitter Register */
+#define URXD 0x0 /* Receiver Register */
+#define UTXD 0x40 /* Transmitter Register */
#define UCR1 0x80 /* Control Register 1 */
#define UCR2 0x84 /* Control Register 2 */
#define UCR3 0x88 /* Control Register 3 */
@@ -502,7 +502,7 @@ static inline void imx_uart_transmit_buffer(struct imx_port *sport)
if (sport->port.x_char) {
/* Send next char */
- imx_uart_writel(sport, sport->port.x_char, URTX0);
+ imx_uart_writel(sport, sport->port.x_char, UTXD);
sport->port.icount.tx++;
sport->port.x_char = 0;
return;
@@ -536,7 +536,7 @@ static inline void imx_uart_transmit_buffer(struct imx_port *sport)
!(imx_uart_readl(sport, imx_uart_uts_reg(sport)) & UTS_TXFULL)) {
/* send xmit->buf[xmit->tail]
* out the port here */
- imx_uart_writel(sport, xmit->buf[xmit->tail], URTX0);
+ imx_uart_writel(sport, xmit->buf[xmit->tail], UTXD);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
sport->port.icount.tx++;
}
@@ -743,7 +743,7 @@ static irqreturn_t imx_uart_rxint(int irq, void *dev_id)
flg = TTY_NORMAL;
sport->port.icount.rx++;
- rx = imx_uart_readl(sport, URXD0);
+ rx = imx_uart_readl(sport, URXD);
usr2 = imx_uart_readl(sport, USR2);
if (usr2 & USR2_BRCD) {
@@ -870,7 +870,7 @@ static irqreturn_t imx_uart_int(int irq, void *dev_id)
* the respective irq source is enabled. This prevents some undesired
* actions, for example if a character that sits in the RX FIFO and that
* should be fetched via DMA is tried to be fetched using PIO. Or the
- * receiver is currently off and so reading from URXD0 results in an
+ * receiver is currently off and so reading from URXD results in an
* exception. So just mask the (raw) status bits for disabled irqs.
*/
if ((ucr1 & UCR1_RRDYEN) == 0)
@@ -1231,7 +1231,7 @@ static int imx_uart_dma_init(struct imx_port *sport)
}
slave_config.direction = DMA_DEV_TO_MEM;
- slave_config.src_addr = sport->port.mapbase + URXD0;
+ slave_config.src_addr = sport->port.mapbase + URXD;
slave_config.src_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
/* one byte less than the watermark level to enable the aging timer */
slave_config.src_maxburst = RXTL_DMA - 1;
@@ -1257,7 +1257,7 @@ static int imx_uart_dma_init(struct imx_port *sport)
}
slave_config.direction = DMA_MEM_TO_DEV;
- slave_config.dst_addr = sport->port.mapbase + URTX0;
+ slave_config.dst_addr = sport->port.mapbase + UTXD;
slave_config.dst_addr_width = DMA_SLAVE_BUSWIDTH_1_BYTE;
slave_config.dst_maxburst = TXTL_DMA;
ret = dmaengine_slave_config(sport->dma_chan_tx, &slave_config);
@@ -1798,7 +1798,7 @@ static int imx_uart_poll_get_char(struct uart_port *port)
if (!(imx_uart_readl(sport, USR2) & USR2_RDR))
return NO_POLL_CHAR;
- return imx_uart_readl(sport, URXD0) & URXD_RX_DATA;
+ return imx_uart_readl(sport, URXD) & URXD_RX_DATA;
}
static void imx_uart_poll_put_char(struct uart_port *port, unsigned char c)
@@ -1812,7 +1812,7 @@ static void imx_uart_poll_put_char(struct uart_port *port, unsigned char c)
} while (~status & USR1_TRDY);
/* write */
- imx_uart_writel(sport, c, URTX0);
+ imx_uart_writel(sport, c, UTXD);
/* flush */
do {
@@ -1894,7 +1894,7 @@ static void imx_uart_console_putchar(struct uart_port *port, int ch)
while (imx_uart_readl(sport, imx_uart_uts_reg(sport)) & UTS_TXFULL)
barrier();
- imx_uart_writel(sport, ch, URTX0);
+ imx_uart_writel(sport, ch, UTXD);
}
/*
@@ -2091,7 +2091,7 @@ static void imx_uart_console_early_putchar(struct uart_port *port, int ch)
while (imx_uart_readl(sport, IMX21_UTS) & UTS_TXFULL)
cpu_relax();
- imx_uart_writel(sport, ch, URTX0);
+ imx_uart_writel(sport, ch, UTXD);
}
static void imx_uart_console_early_write(struct console *con, const char *s,
--
2.20.1
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