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SubjectRe: [DRIVER MODEL] Convert serial drivers
Convert platform drivers to use struct platform_driver

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

diff -u b/drivers/serial/8250.c b/drivers/serial/8250.c
--- b/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2311,9 +2311,9 @@
* list is terminated with a zero flags entry, which means we expect
* all entries to have at least UPF_BOOT_AUTOCONF set.
*/
-static int __devinit serial8250_probe(struct device *dev)
+static int __devinit serial8250_probe(struct platform_device *dev)
{
- struct plat_serial8250_port *p = dev->platform_data;
+ struct plat_serial8250_port *p = dev->dev.platform_data;
struct uart_port port;
int ret, i;

@@ -2329,12 +2329,12 @@
port.flags = p->flags;
port.mapbase = p->mapbase;
port.hub6 = p->hub6;
- port.dev = dev;
+ port.dev = &dev->dev;
if (share_irqs)
port.flags |= UPF_SHARE_IRQ;
ret = serial8250_register_port(&port);
if (ret < 0) {
- dev_err(dev, "unable to register port at index %d "
+ dev_err(&dev->dev, "unable to register port at index %d "
"(IO%lx MEM%lx IRQ%d): %d\n", i,
p->iobase, p->mapbase, p->irq, ret);
}
@@ -2345,14 +2345,14 @@
/*
* Remove serial ports registered against a platform device.
*/
-static int __devexit serial8250_remove(struct device *dev)
+static int __devexit serial8250_remove(struct platform_device *dev)
{
int i;

for (i = 0; i < UART_NR; i++) {
struct uart_8250_port *up = &serial8250_ports[i];

- if (up->port.dev == dev)
+ if (up->port.dev == &dev->dev)
serial8250_unregister_port(i);
}
return 0;
@@ -2358,28 +2358,28 @@
return 0;
}

-static int serial8250_suspend(struct device *dev, pm_message_t state)
+static int serial8250_suspend(struct platform_device *dev, pm_message_t state)
{
int i;

for (i = 0; i < UART_NR; i++) {
struct uart_8250_port *up = &serial8250_ports[i];

- if (up->port.type != PORT_UNKNOWN && up->port.dev == dev)
+ if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)
uart_suspend_port(&serial8250_reg, &up->port);
}

return 0;
}

-static int serial8250_resume(struct device *dev)
+static int serial8250_resume(struct platform_device *dev)
{
int i;

for (i = 0; i < UART_NR; i++) {
struct uart_8250_port *up = &serial8250_ports[i];

- if (up->port.type != PORT_UNKNOWN && up->port.dev == dev)
+ if (up->port.type != PORT_UNKNOWN && up->port.dev == &dev->dev)
uart_resume_port(&serial8250_reg, &up->port);
}

@@ -2386,13 +2386,14 @@
return 0;
}

-static struct device_driver serial8250_isa_driver = {
- .name = "serial8250",
- .bus = &platform_bus_type,
+static struct platform_driver serial8250_isa_driver = {
.probe = serial8250_probe,
.remove = __devexit_p(serial8250_remove),
.suspend = serial8250_suspend,
.resume = serial8250_resume,
+ .driver = {
+ .name = "serial8250",
+ },
};

/*
@@ -2538,7 +2539,7 @@

serial8250_register_ports(&serial8250_reg, &serial8250_isa_devs->dev);

- ret = driver_register(&serial8250_isa_driver);
+ ret = platform_driver_register(&serial8250_isa_driver);
if (ret == 0)
goto out;

@@ -2560,7 +2561,7 @@
*/
serial8250_isa_devs = NULL;

- driver_unregister(&serial8250_isa_driver);
+ platform_driver_unregister(&serial8250_isa_driver);
platform_device_unregister(isa_dev);

uart_unregister_driver(&serial8250_reg);
diff -u b/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
--- b/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -717,10 +717,9 @@
/* ======================================================================== */

static int __devinit
-mpc52xx_uart_probe(struct device *dev)
+mpc52xx_uart_probe(struct platform_device *dev)
{
- struct platform_device *pdev = to_platform_device(dev);
- struct resource *res = pdev->resource;
+ struct resource *res = dev->resource;

struct uart_port *port = NULL;
int i, idx, ret;
@@ -761,17 +760,17 @@
/* Add the port to the uart sub-system */
ret = uart_add_one_port(&mpc52xx_uart_driver, port);
if (!ret)
- dev_set_drvdata(dev, (void*)port);
+ platform_set_drvdata(dev, (void*)port);

return ret;
}

static int
-mpc52xx_uart_remove(struct device *dev)
+mpc52xx_uart_remove(struct platform_device *dev)
{
- struct uart_port *port = (struct uart_port *) dev_get_drvdata(dev);
+ struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);

- dev_set_drvdata(dev, NULL);
+ platform_set_drvdata(dev, NULL);

if (port)
uart_remove_one_port(&mpc52xx_uart_driver, port);
@@ -781,9 +780,9 @@

#ifdef CONFIG_PM
static int
-mpc52xx_uart_suspend(struct device *dev, pm_message_t state)
+mpc52xx_uart_suspend(struct platform_device *dev, pm_message_t state)
{
- struct uart_port *port = (struct uart_port *) dev_get_drvdata(dev);
+ struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);

if (sport)
uart_suspend_port(&mpc52xx_uart_driver, port);
@@ -792,9 +791,9 @@
}

static int
-mpc52xx_uart_resume(struct device *dev)
+mpc52xx_uart_resume(struct platform_device *dev)
{
- struct uart_port *port = (struct uart_port *) dev_get_drvdata(dev);
+ struct uart_port *port = (struct uart_port *) platform_get_drvdata(dev);

if (port)
uart_resume_port(&mpc52xx_uart_driver, port);
@@ -803,15 +802,16 @@
}
#endif

-static struct device_driver mpc52xx_uart_platform_driver = {
- .name = "mpc52xx-psc",
- .bus = &platform_bus_type,
+static struct platform_driver mpc52xx_uart_platform_driver = {
.probe = mpc52xx_uart_probe,
.remove = mpc52xx_uart_remove,
#ifdef CONFIG_PM
.suspend = mpc52xx_uart_suspend,
.resume = mpc52xx_uart_resume,
#endif
+ .driver = {
+ .name = "mpc52xx-psc",
+ },
};


@@ -828,7 +828,7 @@

ret = uart_register_driver(&mpc52xx_uart_driver);
if (ret == 0) {
- ret = driver_register(&mpc52xx_uart_platform_driver);
+ ret = platform_driver_register(&mpc52xx_uart_platform_driver);
if (ret)
uart_unregister_driver(&mpc52xx_uart_driver);
}
@@ -839,7 +839,7 @@
static void __exit
mpc52xx_uart_exit(void)
{
- driver_unregister(&mpc52xx_uart_platform_driver);
+ platform_driver_unregister(&mpc52xx_uart_platform_driver);
uart_unregister_driver(&mpc52xx_uart_driver);
}

diff -u b/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
--- b/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -1551,15 +1551,14 @@
}

static int
-mpsc_shared_drv_probe(struct device *dev)
+mpsc_shared_drv_probe(struct platform_device *dev)
{
- struct platform_device *pd = to_platform_device(dev);
struct mpsc_shared_pdata *pdata;
int rc = -ENODEV;

- if (pd->id == 0) {
- if (!(rc = mpsc_shared_map_regs(pd))) {
- pdata = (struct mpsc_shared_pdata *)dev->platform_data;
+ if (dev->id == 0) {
+ if (!(rc = mpsc_shared_map_regs(dev))) {
+ pdata = (struct mpsc_shared_pdata *)dev->dev.platform_data;

mpsc_shared_regs.MPSC_MRR_m = pdata->mrr_val;
mpsc_shared_regs.MPSC_RCRR_m= pdata->rcrr_val;
@@ -1577,12 +1576,11 @@
}

static int
-mpsc_shared_drv_remove(struct device *dev)
+mpsc_shared_drv_remove(struct platform_device *dev)
{
- struct platform_device *pd = to_platform_device(dev);
int rc = -ENODEV;

- if (pd->id == 0) {
+ if (dev->id == 0) {
mpsc_shared_unmap_regs();
mpsc_shared_regs.MPSC_MRR_m = 0;
mpsc_shared_regs.MPSC_RCRR_m = 0;
@@ -1595,11 +1593,12 @@ mpsc_shared_drv_remove(struct device *de
return rc;
}

-static struct device_driver mpsc_shared_driver = {
- .name = MPSC_SHARED_NAME,
- .bus = &platform_bus_type,
+static struct platform_driver mpsc_shared_driver = {
.probe = mpsc_shared_drv_probe,
.remove = mpsc_shared_drv_remove,
+ .driver = {
+ .name = MPSC_SHARED_NAME,
+ },
};

/*
@@ -1732,19 +1731,18 @@
}

static int
-mpsc_drv_probe(struct device *dev)
+mpsc_drv_probe(struct platform_device *dev)
{
- struct platform_device *pd = to_platform_device(dev);
struct mpsc_port_info *pi;
int rc = -ENODEV;

- pr_debug("mpsc_drv_probe: Adding MPSC %d\n", pd->id);
+ pr_debug("mpsc_drv_probe: Adding MPSC %d\n", dev->id);

- if (pd->id < MPSC_NUM_CTLRS) {
- pi = &mpsc_ports[pd->id];
+ if (dev->id < MPSC_NUM_CTLRS) {
+ pi = &mpsc_ports[dev->id];

- if (!(rc = mpsc_drv_map_regs(pi, pd))) {
- mpsc_drv_get_platform_data(pi, pd, pd->id);
+ if (!(rc = mpsc_drv_map_regs(pi, dev))) {
+ mpsc_drv_get_platform_data(pi, dev, dev->id);

if (!(rc = mpsc_make_ready(pi)))
if (!(rc = uart_add_one_port(&mpsc_reg,
@@ -1764,16 +1762,14 @@
}

static int
-mpsc_drv_remove(struct device *dev)
+mpsc_drv_remove(struct platform_device *dev)
{
- struct platform_device *pd = to_platform_device(dev);
+ pr_debug("mpsc_drv_exit: Removing MPSC %d\n", dev->id);

- pr_debug("mpsc_drv_exit: Removing MPSC %d\n", pd->id);
-
- if (pd->id < MPSC_NUM_CTLRS) {
- uart_remove_one_port(&mpsc_reg, &mpsc_ports[pd->id].port);
- mpsc_release_port((struct uart_port *)&mpsc_ports[pd->id].port);
- mpsc_drv_unmap_regs(&mpsc_ports[pd->id]);
+ if (dev->id < MPSC_NUM_CTLRS) {
+ uart_remove_one_port(&mpsc_reg, &mpsc_ports[dev->id].port);
+ mpsc_release_port((struct uart_port *)&mpsc_ports[dev->id].port);
+ mpsc_drv_unmap_regs(&mpsc_ports[dev->id]);
return 0;
}
else
@@ -1780,11 +1776,12 @@ mpsc_drv_remove(struct device *dev)
return -ENODEV;
}

-static struct device_driver mpsc_driver = {
- .name = MPSC_CTLR_NAME,
- .bus = &platform_bus_type,
+static struct platform_driver mpsc_driver = {
.probe = mpsc_drv_probe,
.remove = mpsc_drv_remove,
+ .driver = {
+ .name = MPSC_CTLR_NAME,
+ },
};

static int __init
@@ -1798,9 +1795,9 @@ mpsc_drv_init(void)
memset(&mpsc_shared_regs, 0, sizeof(mpsc_shared_regs));

if (!(rc = uart_register_driver(&mpsc_reg))) {
- if (!(rc = driver_register(&mpsc_shared_driver))) {
- if ((rc = driver_register(&mpsc_driver))) {
- driver_unregister(&mpsc_shared_driver);
+ if (!(rc = platform_driver_register(&mpsc_shared_driver))) {
+ if ((rc = platform_driver_register(&mpsc_driver))) {
+ platform_driver_unregister(&mpsc_shared_driver);
uart_unregister_driver(&mpsc_reg);
}
}
@@ -1815,8 +1812,8 @@ mpsc_drv_init(void)
static void __exit
mpsc_drv_exit(void)
{
- driver_unregister(&mpsc_driver);
- driver_unregister(&mpsc_shared_driver);
+ platform_driver_unregister(&mpsc_driver);
+ platform_driver_unregister(&mpsc_shared_driver);
uart_unregister_driver(&mpsc_reg);
memset(mpsc_ports, 0, sizeof(mpsc_ports));
memset(&mpsc_shared_regs, 0, sizeof(mpsc_shared_regs));
diff -u b/drivers/serial/pxa.c b/drivers/serial/pxa.c
--- b/drivers/serial/pxa.c
+++ b/drivers/serial/pxa.c
@@ -805,9 +805,9 @@
.cons = PXA_CONSOLE,
};

-static int serial_pxa_suspend(struct device *_dev, pm_message_t state)
+static int serial_pxa_suspend(struct platform_device *dev, pm_message_t state)
{
- struct uart_pxa_port *sport = dev_get_drvdata(_dev);
+ struct uart_pxa_port *sport = platform_get_drvdata(dev);

if (sport)
uart_suspend_port(&serial_pxa_reg, &sport->port);
@@ -815,9 +815,9 @@
return 0;
}

-static int serial_pxa_resume(struct device *_dev)
+static int serial_pxa_resume(struct platform_device *dev)
{
- struct uart_pxa_port *sport = dev_get_drvdata(_dev);
+ struct uart_pxa_port *sport = platform_get_drvdata(dev);

if (sport)
uart_resume_port(&serial_pxa_reg, &sport->port);
@@ -825,21 +825,19 @@
return 0;
}

-static int serial_pxa_probe(struct device *_dev)
+static int serial_pxa_probe(struct platform_device *dev)
{
- struct platform_device *dev = to_platform_device(_dev);
-
- serial_pxa_ports[dev->id].port.dev = _dev;
+ serial_pxa_ports[dev->id].port.dev = &dev->dev;
uart_add_one_port(&serial_pxa_reg, &serial_pxa_ports[dev->id].port);
- dev_set_drvdata(_dev, &serial_pxa_ports[dev->id]);
+ platform_set_drvdata(dev, &serial_pxa_ports[dev->id]);
return 0;
}

-static int serial_pxa_remove(struct device *_dev)
+static int serial_pxa_remove(struct platform_device *dev)
{
- struct uart_pxa_port *sport = dev_get_drvdata(_dev);
+ struct uart_pxa_port *sport = platform_get_drvdata(dev);

- dev_set_drvdata(_dev, NULL);
+ platform_set_drvdata(dev, NULL);

if (sport)
uart_remove_one_port(&serial_pxa_reg, &sport->port);
@@ -847,14 +845,15 @@
return 0;
}

-static struct device_driver serial_pxa_driver = {
- .name = "pxa2xx-uart",
- .bus = &platform_bus_type,
+static struct platform_driver serial_pxa_driver = {
.probe = serial_pxa_probe,
.remove = serial_pxa_remove,

.suspend = serial_pxa_suspend,
.resume = serial_pxa_resume,
+ .driver = {
+ .name = "pxa2xx-uart",
+ },
};

int __init serial_pxa_init(void)
@@ -865,7 +864,7 @@
if (ret != 0)
return ret;

- ret = driver_register(&serial_pxa_driver);
+ ret = platform_driver_register(&serial_pxa_driver);
if (ret != 0)
uart_unregister_driver(&serial_pxa_reg);

@@ -874,7 +873,7 @@

void __exit serial_pxa_exit(void)
{
- driver_unregister(&serial_pxa_driver);
+ platform_driver_unregister(&serial_pxa_driver);
uart_unregister_driver(&serial_pxa_reg);
}

diff -u b/drivers/serial/vr41xx_siu.c b/drivers/serial/vr41xx_siu.c
--- b/drivers/serial/vr41xx_siu.c
+++ b/drivers/serial/vr41xx_siu.c
@@ -924,7 +924,7 @@
.cons = SERIAL_VR41XX_CONSOLE,
};

-static int siu_probe(struct device *dev)
+static int siu_probe(struct platform_device *dev)
{
struct uart_port *port;
int num, i, retval;
@@ -941,7 +941,7 @@
for (i = 0; i < num; i++) {
port = &siu_uart_ports[i];
port->ops = &siu_uart_ops;
- port->dev = dev;
+ port->dev = &dev->dev;

retval = uart_add_one_port(&siu_uart_driver, port);
if (retval < 0) {
@@ -958,14 +958,14 @@
return 0;
}

-static int siu_remove(struct device *dev)
+static int siu_remove(struct platform_device *dev)
{
struct uart_port *port;
int i;

for (i = 0; i < siu_uart_driver.nr; i++) {
port = &siu_uart_ports[i];
- if (port->dev == dev) {
+ if (port->dev == &dev->dev) {
uart_remove_one_port(&siu_uart_driver, port);
port->dev = NULL;
}
@@ -976,7 +976,7 @@
return 0;
}

-static int siu_suspend(struct device *dev, pm_message_t state)
+static int siu_suspend(struct platform_device *dev, pm_message_t state)
{
struct uart_port *port;
int i;
@@ -984,7 +984,7 @@
for (i = 0; i < siu_uart_driver.nr; i++) {
port = &siu_uart_ports[i];
if ((port->type == PORT_VR41XX_SIU ||
- port->type == PORT_VR41XX_DSIU) && port->dev == dev)
+ port->type == PORT_VR41XX_DSIU) && port->dev == &dev->dev)
uart_suspend_port(&siu_uart_driver, port);

}
@@ -992,7 +992,7 @@
return 0;
}

-static int siu_resume(struct device *dev)
+static int siu_resume(struct platform_device *dev)
{
struct uart_port *port;
int i;
@@ -1000,7 +1000,7 @@
for (i = 0; i < siu_uart_driver.nr; i++) {
port = &siu_uart_ports[i];
if ((port->type == PORT_VR41XX_SIU ||
- port->type == PORT_VR41XX_DSIU) && port->dev == dev)
+ port->type == PORT_VR41XX_DSIU) && port->dev == &dev->dev)
uart_resume_port(&siu_uart_driver, port);
}

@@ -1009,13 +1009,14 @@

static struct platform_device *siu_platform_device;

-static struct device_driver siu_device_driver = {
- .name = "SIU",
- .bus = &platform_bus_type,
+static struct platform_driver siu_device_driver = {
.probe = siu_probe,
.remove = siu_remove,
.suspend = siu_suspend,
.resume = siu_resume,
+ .driver = {
+ .name = "SIU",
+ },
};

static int __devinit vr41xx_siu_init(void)
@@ -1026,7 +1027,7 @@
if (IS_ERR(siu_platform_device))
return PTR_ERR(siu_platform_device);

- retval = driver_register(&siu_device_driver);
+ retval = platform_driver_register(&siu_device_driver);
if (retval < 0)
platform_device_unregister(siu_platform_device);

@@ -1035,7 +1036,7 @@

static void __devexit vr41xx_siu_exit(void)
{
- driver_unregister(&siu_device_driver);
+ platform_driver_unregister(&siu_device_driver);

platform_device_unregister(siu_platform_device);
}

--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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