summaryrefslogtreecommitdiff
path: root/drivers/tty/serial
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/tty/serial')
-rw-r--r--drivers/tty/serial/8250.c23
-rw-r--r--drivers/tty/serial/altera_jtaguart.c5
-rw-r--r--drivers/tty/serial/altera_uart.c4
-rw-r--r--drivers/tty/serial/amba-pl010.c14
-rw-r--r--drivers/tty/serial/amba-pl011.c14
-rw-r--r--drivers/tty/serial/atmel_serial.c2
-rw-r--r--drivers/tty/serial/imx.c11
-rw-r--r--drivers/tty/serial/jsm/jsm_driver.c2
-rw-r--r--drivers/tty/serial/kgdboc.c1
-rw-r--r--drivers/tty/serial/max3100.c1
-rw-r--r--drivers/tty/serial/max3107-aava.c1
-rw-r--r--drivers/tty/serial/max3107.c1
-rw-r--r--drivers/tty/serial/msm_serial.c30
-rw-r--r--drivers/tty/serial/nwpserial.c1
-rw-r--r--drivers/tty/serial/of_serial.c12
-rw-r--r--drivers/tty/serial/sh-sci.c44
-rw-r--r--drivers/tty/serial/timbuart.c1
-rw-r--r--drivers/tty/serial/uartlite.c4
-rw-r--r--drivers/tty/serial/xilinx_uartps.c1
19 files changed, 94 insertions, 78 deletions
diff --git a/drivers/tty/serial/8250.c b/drivers/tty/serial/8250.c
index a87a56cb5417..eeadf1b8e093 100644
--- a/drivers/tty/serial/8250.c
+++ b/drivers/tty/serial/8250.c
@@ -450,24 +450,6 @@ static void au_serial_out(struct uart_port *p, int offset, int value)
__raw_writel(value, p->membase + offset);
}
-static unsigned int tsi_serial_in(struct uart_port *p, int offset)
-{
- unsigned int tmp;
- offset = map_8250_in_reg(p, offset) << p->regshift;
- if (offset == UART_IIR) {
- tmp = readl(p->membase + (UART_IIR & ~3));
- return (tmp >> 16) & 0xff; /* UART_IIR % 4 == 2 */
- } else
- return readb(p->membase + offset);
-}
-
-static void tsi_serial_out(struct uart_port *p, int offset, int value)
-{
- offset = map_8250_out_reg(p, offset) << p->regshift;
- if (!((offset == UART_IER) && (value & UART_IER_UUE)))
- writeb(value, p->membase + offset);
-}
-
static unsigned int io_serial_in(struct uart_port *p, int offset)
{
offset = map_8250_in_reg(p, offset) << p->regshift;
@@ -508,11 +490,6 @@ static void set_io_from_upio(struct uart_port *p)
p->serial_out = au_serial_out;
break;
- case UPIO_TSI:
- p->serial_in = tsi_serial_in;
- p->serial_out = tsi_serial_out;
- break;
-
default:
p->serial_in = io_serial_in;
p->serial_out = io_serial_out;
diff --git a/drivers/tty/serial/altera_jtaguart.c b/drivers/tty/serial/altera_jtaguart.c
index 00a73ecb2dfb..530181e49f6b 100644
--- a/drivers/tty/serial/altera_jtaguart.c
+++ b/drivers/tty/serial/altera_jtaguart.c
@@ -18,6 +18,7 @@
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/console.h>
+#include <linux/of.h>
#include <linux/tty.h>
#include <linux/tty_flip.h>
#include <linux/serial.h>
@@ -472,8 +473,6 @@ static struct of_device_id altera_jtaguart_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, altera_jtaguart_match);
-#else
-#define altera_jtaguart_match NULL
#endif /* CONFIG_OF */
static struct platform_driver altera_jtaguart_platform_driver = {
@@ -482,7 +481,7 @@ static struct platform_driver altera_jtaguart_platform_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
- .of_match_table = altera_jtaguart_match,
+ .of_match_table = of_match_ptr(altera_jtaguart_match),
},
};
diff --git a/drivers/tty/serial/altera_uart.c b/drivers/tty/serial/altera_uart.c
index d902558ccfd2..1d04c5037f25 100644
--- a/drivers/tty/serial/altera_uart.c
+++ b/drivers/tty/serial/altera_uart.c
@@ -616,8 +616,6 @@ static struct of_device_id altera_uart_match[] = {
{},
};
MODULE_DEVICE_TABLE(of, altera_uart_match);
-#else
-#define altera_uart_match NULL
#endif /* CONFIG_OF */
static struct platform_driver altera_uart_platform_driver = {
@@ -626,7 +624,7 @@ static struct platform_driver altera_uart_platform_driver = {
.driver = {
.name = DRV_NAME,
.owner = THIS_MODULE,
- .of_match_table = altera_uart_match,
+ .of_match_table = of_match_ptr(altera_uart_match),
},
};
diff --git a/drivers/tty/serial/amba-pl010.c b/drivers/tty/serial/amba-pl010.c
index c0d10c4ddb73..efdf92c3a352 100644
--- a/drivers/tty/serial/amba-pl010.c
+++ b/drivers/tty/serial/amba-pl010.c
@@ -312,12 +312,16 @@ static int pl010_startup(struct uart_port *port)
struct uart_amba_port *uap = (struct uart_amba_port *)port;
int retval;
+ retval = clk_prepare(uap->clk);
+ if (retval)
+ goto out;
+
/*
* Try to enable the clock producer.
*/
retval = clk_enable(uap->clk);
if (retval)
- goto out;
+ goto clk_unprep;
uap->port.uartclk = clk_get_rate(uap->clk);
@@ -343,6 +347,8 @@ static int pl010_startup(struct uart_port *port)
clk_dis:
clk_disable(uap->clk);
+ clk_unprep:
+ clk_unprepare(uap->clk);
out:
return retval;
}
@@ -370,6 +376,7 @@ static void pl010_shutdown(struct uart_port *port)
* Shut down the clock producer
*/
clk_disable(uap->clk);
+ clk_unprepare(uap->clk);
}
static void
@@ -626,6 +633,7 @@ static int __init pl010_console_setup(struct console *co, char *options)
int bits = 8;
int parity = 'n';
int flow = 'n';
+ int ret;
/*
* Check whether an invalid uart number has been specified, and
@@ -638,6 +646,10 @@ static int __init pl010_console_setup(struct console *co, char *options)
if (!uap)
return -ENODEV;
+ ret = clk_prepare(uap->clk);
+ if (ret)
+ return ret;
+
uap->port.uartclk = clk_get_rate(uap->clk);
if (options)
diff --git a/drivers/tty/serial/amba-pl011.c b/drivers/tty/serial/amba-pl011.c
index f5f6831b0a64..00233af1acc4 100644
--- a/drivers/tty/serial/amba-pl011.c
+++ b/drivers/tty/serial/amba-pl011.c
@@ -1367,12 +1367,16 @@ static int pl011_startup(struct uart_port *port)
unsigned int cr;
int retval;
+ retval = clk_prepare(uap->clk);
+ if (retval)
+ goto out;
+
/*
* Try to enable the clock producer.
*/
retval = clk_enable(uap->clk);
if (retval)
- goto out;
+ goto clk_unprep;
uap->port.uartclk = clk_get_rate(uap->clk);
@@ -1446,6 +1450,8 @@ static int pl011_startup(struct uart_port *port)
clk_dis:
clk_disable(uap->clk);
+ clk_unprep:
+ clk_unprepare(uap->clk);
out:
return retval;
}
@@ -1497,6 +1503,7 @@ static void pl011_shutdown(struct uart_port *port)
* Shut down the clock producer
*/
clk_disable(uap->clk);
+ clk_unprepare(uap->clk);
if (uap->port.dev->platform_data) {
struct amba_pl011_data *plat;
@@ -1800,6 +1807,7 @@ static int __init pl011_console_setup(struct console *co, char *options)
int bits = 8;
int parity = 'n';
int flow = 'n';
+ int ret;
/*
* Check whether an invalid uart number has been specified, and
@@ -1812,6 +1820,10 @@ static int __init pl011_console_setup(struct console *co, char *options)
if (!uap)
return -ENODEV;
+ ret = clk_prepare(uap->clk);
+ if (ret)
+ return ret;
+
if (uap->port.dev->platform_data) {
struct amba_pl011_data *plat;
diff --git a/drivers/tty/serial/atmel_serial.c b/drivers/tty/serial/atmel_serial.c
index 9988c0c305c2..4a0f86fa1e90 100644
--- a/drivers/tty/serial/atmel_serial.c
+++ b/drivers/tty/serial/atmel_serial.c
@@ -48,7 +48,7 @@
#ifdef CONFIG_ARM
#include <mach/cpu.h>
-#include <mach/gpio.h>
+#include <asm/gpio.h>
#endif
#define PDC_BUFFER_SIZE 512
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 54ffdc6243f9..163fc9021f5a 100644
--- a/drivers/tty/serial/imx.c
+++ b/drivers/tty/serial/imx.c
@@ -1290,17 +1290,20 @@ static int serial_imx_resume(struct platform_device *dev)
static int serial_imx_probe_dt(struct imx_port *sport,
struct platform_device *pdev)
{
- static int portnum = 0;
struct device_node *np = pdev->dev.of_node;
const struct of_device_id *of_id =
of_match_device(imx_uart_dt_ids, &pdev->dev);
+ int ret;
if (!np)
return -ENODEV;
- sport->port.line = portnum++;
- if (sport->port.line >= UART_NR)
- return -EINVAL;
+ ret = of_alias_get_id(np, "serial");
+ if (ret < 0) {
+ dev_err(&pdev->dev, "failed to get alias id, errno %d\n", ret);
+ return -ENODEV;
+ }
+ sport->port.line = ret;
if (of_get_property(np, "fsl,uart-has-rtscts", NULL))
sport->have_rtscts = 1;
diff --git a/drivers/tty/serial/jsm/jsm_driver.c b/drivers/tty/serial/jsm/jsm_driver.c
index 648b6a3efa32..7c867a046c97 100644
--- a/drivers/tty/serial/jsm/jsm_driver.c
+++ b/drivers/tty/serial/jsm/jsm_driver.c
@@ -24,7 +24,7 @@
*
*
***********************************************************************/
-#include <linux/moduleparam.h>
+#include <linux/module.h>
#include <linux/pci.h>
#include <linux/slab.h>
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index 87e7e6c876d4..2b42a01a81c6 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -19,6 +19,7 @@
#include <linux/console.h>
#include <linux/vt_kern.h>
#include <linux/input.h>
+#include <linux/module.h>
#define MAX_CONFIG_LEN 40
diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c
index 2af5aa5f3a80..8a6cc8c30b5a 100644
--- a/drivers/tty/serial/max3100.c
+++ b/drivers/tty/serial/max3100.c
@@ -43,6 +43,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/device.h>
+#include <linux/module.h>
#include <linux/serial_core.h>
#include <linux/serial.h>
#include <linux/spi/spi.h>
diff --git a/drivers/tty/serial/max3107-aava.c b/drivers/tty/serial/max3107-aava.c
index d73aadd7a9ad..90c40f22ec70 100644
--- a/drivers/tty/serial/max3107-aava.c
+++ b/drivers/tty/serial/max3107-aava.c
@@ -36,6 +36,7 @@
#include <linux/platform_device.h>
#include <linux/gpio.h>
#include <linux/sfi.h>
+#include <linux/module.h>
#include <asm/mrst.h>
#include "max3107.h"
diff --git a/drivers/tty/serial/max3107.c b/drivers/tty/serial/max3107.c
index db00b595cab0..7827000db4f5 100644
--- a/drivers/tty/serial/max3107.c
+++ b/drivers/tty/serial/max3107.c
@@ -36,6 +36,7 @@
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/freezer.h>
+#include <linux/module.h>
#include "max3107.h"
static const struct baud_table brg26_ext[] = {
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c
index 29cbfd8c4e7c..8131e2c28015 100644
--- a/drivers/tty/serial/msm_serial.c
+++ b/drivers/tty/serial/msm_serial.c
@@ -19,6 +19,7 @@
# define SUPPORT_SYSRQ
#endif
+#include <linux/atomic.h>
#include <linux/hrtimer.h>
#include <linux/module.h>
#include <linux/io.h>
@@ -33,6 +34,8 @@
#include <linux/clk.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include "msm_serial.h"
@@ -589,9 +592,8 @@ static void msm_release_port(struct uart_port *port)
iowrite32(GSBI_PROTOCOL_IDLE, msm_port->gsbi_base +
GSBI_CONTROL);
- gsbi_resource = platform_get_resource_byname(pdev,
- IORESOURCE_MEM,
- "gsbi_resource");
+ gsbi_resource = platform_get_resource(pdev,
+ IORESOURCE_MEM, 1);
if (unlikely(!gsbi_resource))
return;
@@ -612,8 +614,7 @@ static int msm_request_port(struct uart_port *port)
resource_size_t size;
int ret;
- uart_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "uart_resource");
+ uart_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (unlikely(!uart_resource))
return -ENXIO;
@@ -628,8 +629,7 @@ static int msm_request_port(struct uart_port *port)
goto fail_release_port;
}
- gsbi_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "gsbi_resource");
+ gsbi_resource = platform_get_resource(pdev, IORESOURCE_MEM, 1);
/* Is this a GSBI-based port? */
if (gsbi_resource) {
size = resource_size(gsbi_resource);
@@ -857,6 +857,8 @@ static struct uart_driver msm_uart_driver = {
.cons = MSM_CONSOLE,
};
+static atomic_t msm_uart_next_id = ATOMIC_INIT(0);
+
static int __init msm_serial_probe(struct platform_device *pdev)
{
struct msm_port *msm_port;
@@ -864,6 +866,9 @@ static int __init msm_serial_probe(struct platform_device *pdev)
struct uart_port *port;
int irq;
+ if (pdev->id == -1)
+ pdev->id = atomic_inc_return(&msm_uart_next_id) - 1;
+
if (unlikely(pdev->id < 0 || pdev->id >= UART_NR))
return -ENXIO;
@@ -873,7 +878,7 @@ static int __init msm_serial_probe(struct platform_device *pdev)
port->dev = &pdev->dev;
msm_port = UART_TO_MSM(port);
- if (platform_get_resource_byname(pdev, IORESOURCE_MEM, "gsbi_resource"))
+ if (platform_get_resource(pdev, IORESOURCE_MEM, 1))
msm_port->is_uartdm = 1;
else
msm_port->is_uartdm = 0;
@@ -897,8 +902,7 @@ static int __init msm_serial_probe(struct platform_device *pdev)
printk(KERN_INFO "uartclk = %d\n", port->uartclk);
- resource = platform_get_resource_byname(pdev, IORESOURCE_MEM,
- "uart_resource");
+ resource = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (unlikely(!resource))
return -ENXIO;
port->mapbase = resource->start;
@@ -922,11 +926,17 @@ static int __devexit msm_serial_remove(struct platform_device *pdev)
return 0;
}
+static struct of_device_id msm_match_table[] = {
+ { .compatible = "qcom,msm-uart" },
+ {}
+};
+
static struct platform_driver msm_platform_driver = {
.remove = msm_serial_remove,
.driver = {
.name = "msm_serial",
.owner = THIS_MODULE,
+ .of_match_table = msm_match_table,
},
};
diff --git a/drivers/tty/serial/nwpserial.c b/drivers/tty/serial/nwpserial.c
index 9beaff1cec24..dd4c31d1aee5 100644
--- a/drivers/tty/serial/nwpserial.c
+++ b/drivers/tty/serial/nwpserial.c
@@ -10,6 +10,7 @@
*
*/
#include <linux/init.h>
+#include <linux/export.h>
#include <linux/console.h>
#include <linux/serial.h>
#include <linux/serial_reg.h>
diff --git a/drivers/tty/serial/of_serial.c b/drivers/tty/serial/of_serial.c
index e58cece6f443..e8c9cee07d00 100644
--- a/drivers/tty/serial/of_serial.c
+++ b/drivers/tty/serial/of_serial.c
@@ -200,17 +200,7 @@ static struct platform_driver of_platform_serial_driver = {
.remove = of_platform_serial_remove,
};
-static int __init of_platform_serial_init(void)
-{
- return platform_driver_register(&of_platform_serial_driver);
-}
-module_init(of_platform_serial_init);
-
-static void __exit of_platform_serial_exit(void)
-{
- return platform_driver_unregister(&of_platform_serial_driver);
-};
-module_exit(of_platform_serial_exit);
+module_platform_driver(of_platform_serial_driver);
MODULE_AUTHOR("Arnd Bergmann <arnd@arndb.de>");
MODULE_LICENSE("GPL");
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 9871c57b348e..aff9d612dff0 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -207,6 +207,25 @@ static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
},
/*
+ * Common SH-2(A) SCIF definitions for ports with FIFO data
+ * count registers.
+ */
+ [SCIx_SH2_SCIF_FIFODATA_REGTYPE] = {
+ [SCSMR] = { 0x00, 16 },
+ [SCBRR] = { 0x04, 8 },
+ [SCSCR] = { 0x08, 16 },
+ [SCxTDR] = { 0x0c, 8 },
+ [SCxSR] = { 0x10, 16 },
+ [SCxRDR] = { 0x14, 8 },
+ [SCFCR] = { 0x18, 16 },
+ [SCFDR] = { 0x1c, 16 },
+ [SCTFDR] = sci_reg_invalid,
+ [SCRFDR] = sci_reg_invalid,
+ [SCSPTR] = { 0x20, 16 },
+ [SCLSR] = { 0x24, 16 },
+ },
+
+ /*
* Common SH-3 SCIF definitions.
*/
[SCIx_SH3_SCIF_REGTYPE] = {
@@ -1446,12 +1465,8 @@ static bool filter(struct dma_chan *chan, void *slave)
dev_dbg(chan->device->dev, "%s: slave ID %d\n", __func__,
param->slave_id);
- if (param->dma_dev == chan->device->dev) {
- chan->private = param;
- return true;
- } else {
- return false;
- }
+ chan->private = param;
+ return true;
}
static void rx_timer_fn(unsigned long arg)
@@ -1477,10 +1492,10 @@ static void sci_request_dma(struct uart_port *port)
dma_cap_mask_t mask;
int nent;
- dev_dbg(port->dev, "%s: port %d DMA %p\n", __func__,
- port->line, s->cfg->dma_dev);
+ dev_dbg(port->dev, "%s: port %d\n", __func__,
+ port->line);
- if (!s->cfg->dma_dev)
+ if (s->cfg->dma_slave_tx <= 0 || s->cfg->dma_slave_rx <= 0)
return;
dma_cap_zero(mask);
@@ -1490,7 +1505,6 @@ static void sci_request_dma(struct uart_port *port)
/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_TX */
param->slave_id = s->cfg->dma_slave_tx;
- param->dma_dev = s->cfg->dma_dev;
s->cookie_tx = -EINVAL;
chan = dma_request_channel(mask, filter, param);
@@ -1519,7 +1533,6 @@ static void sci_request_dma(struct uart_port *port)
/* Slave ID, e.g., SHDMA_SLAVE_SCIF0_RX */
param->slave_id = s->cfg->dma_slave_rx;
- param->dma_dev = s->cfg->dma_dev;
chan = dma_request_channel(mask, filter, param);
dev_dbg(port->dev, "%s: RX: got channel %p\n", __func__, chan);
@@ -1564,9 +1577,6 @@ static void sci_free_dma(struct uart_port *port)
{
struct sci_port *s = to_sci_port(port);
- if (!s->cfg->dma_dev)
- return;
-
if (s->chan_tx)
sci_tx_dma_release(s, false);
if (s->chan_rx)
@@ -1981,9 +1991,9 @@ static int __devinit sci_init_single(struct platform_device *dev,
port->serial_in = sci_serial_in;
port->serial_out = sci_serial_out;
- if (p->dma_dev)
- dev_dbg(port->dev, "DMA device %p, tx %d, rx %d\n",
- p->dma_dev, p->dma_slave_tx, p->dma_slave_rx);
+ if (p->dma_slave_tx > 0 && p->dma_slave_rx > 0)
+ dev_dbg(port->dev, "DMA tx %d, rx %d\n",
+ p->dma_slave_tx, p->dma_slave_rx);
return 0;
}
diff --git a/drivers/tty/serial/timbuart.c b/drivers/tty/serial/timbuart.c
index a4b63bfeaa2f..e76c8b747fb8 100644
--- a/drivers/tty/serial/timbuart.c
+++ b/drivers/tty/serial/timbuart.c
@@ -29,6 +29,7 @@
#include <linux/platform_device.h>
#include <linux/ioport.h>
#include <linux/slab.h>
+#include <linux/module.h>
#include "timbuart.h"
diff --git a/drivers/tty/serial/uartlite.c b/drivers/tty/serial/uartlite.c
index b908615ccaaf..6cd414341d5e 100644
--- a/drivers/tty/serial/uartlite.c
+++ b/drivers/tty/serial/uartlite.c
@@ -569,8 +569,6 @@ static struct of_device_id ulite_of_match[] __devinitdata = {
{}
};
MODULE_DEVICE_TABLE(of, ulite_of_match);
-#else /* CONFIG_OF */
-#define ulite_of_match NULL
#endif /* CONFIG_OF */
static int __devinit ulite_probe(struct platform_device *pdev)
@@ -610,7 +608,7 @@ static struct platform_driver ulite_platform_driver = {
.driver = {
.owner = THIS_MODULE,
.name = "uartlite",
- .of_match_table = ulite_of_match,
+ .of_match_table = of_match_ptr(ulite_of_match),
},
};
diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c
index 8c03b127fd03..b627363352e5 100644
--- a/drivers/tty/serial/xilinx_uartps.c
+++ b/drivers/tty/serial/xilinx_uartps.c
@@ -20,6 +20,7 @@
#include <linux/irq.h>
#include <linux/io.h>
#include <linux/of.h>
+#include <linux/module.h>
#define XUARTPS_TTY_NAME "ttyPS"
#define XUARTPS_NAME "xuartps"
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-02 22:56:13 +0300