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-rw-r--r--drivers/serial/mpc52xx_uart.c28
-rw-r--r--drivers/serial/serial_cs.c119
2 files changed, 38 insertions, 109 deletions
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index b8727d9..1288d62 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -37,11 +37,11 @@
* by the bootloader or in the platform init code.
*
* The idx field must be equal to the PSC index ( e.g. 0 for PSC1, 1 for PSC2,
- * and so on). So the PSC1 is mapped to /dev/ttyS0, PSC2 to /dev/ttyS1 and so
- * on. But be warned, it's an ABSOLUTE REQUIREMENT ! This is needed mainly for
- * the console code : without this 1:1 mapping, at early boot time, when we are
- * parsing the kernel args console=ttyS?, we wouldn't know wich PSC it will be
- * mapped to.
+ * and so on). So the PSC1 is mapped to /dev/ttyPSC0, PSC2 to /dev/ttyPSC1 and
+ * so on. But be warned, it's an ABSOLUTE REQUIREMENT ! This is needed mainly
+ * fpr the console code : without this 1:1 mapping, at early boot time, when we
+ * are parsing the kernel args console=ttyPSC?, we wouldn't know wich PSC it
+ * will be mapped to.
*/
#include <linux/config.h>
@@ -65,6 +65,10 @@
#include <linux/serial_core.h>
+/* We've been assigned a range on the "Low-density serial ports" major */
+#define SERIAL_PSC_MAJOR 204
+#define SERIAL_PSC_MINOR 148
+
#define ISR_PASS_LIMIT 256 /* Max number of iteration in the interrupt */
@@ -668,15 +672,15 @@ mpc52xx_console_setup(struct console *co, char *options)
}
-extern struct uart_driver mpc52xx_uart_driver;
+static struct uart_driver mpc52xx_uart_driver;
static struct console mpc52xx_console = {
- .name = "ttyS",
+ .name = "ttyPSC",
.write = mpc52xx_console_write,
.device = uart_console_device,
.setup = mpc52xx_console_setup,
.flags = CON_PRINTBUFFER,
- .index = -1, /* Specified on the cmdline (e.g. console=ttyS0 ) */
+ .index = -1, /* Specified on the cmdline (e.g. console=ttyPSC0 ) */
.data = &mpc52xx_uart_driver,
};
@@ -703,10 +707,10 @@ console_initcall(mpc52xx_console_init);
static struct uart_driver mpc52xx_uart_driver = {
.owner = THIS_MODULE,
.driver_name = "mpc52xx_psc_uart",
- .dev_name = "ttyS",
- .devfs_name = "ttyS",
- .major = TTY_MAJOR,
- .minor = 64,
+ .dev_name = "ttyPSC",
+ .devfs_name = "ttyPSC",
+ .major = SERIAL_PSC_MAJOR,
+ .minor = SERIAL_PSC_MINOR,
.nr = MPC52xx_PSC_MAXNUM,
.cons = MPC52xx_PSC_CONSOLE,
};
diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index 7ce0c7e..96969cb 100644
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -114,15 +114,7 @@ struct serial_cfg_mem {
static void serial_config(dev_link_t * link);
-static int serial_event(event_t event, int priority,
- event_callback_args_t * args);
-static dev_info_t dev_info = "serial_cs";
-
-static dev_link_t *serial_attach(void);
-static void serial_detach(dev_link_t *);
-
-static dev_link_t *dev_list = NULL;
/*======================================================================
@@ -159,8 +151,9 @@ static void serial_remove(dev_link_t *link)
}
}
-static void serial_suspend(dev_link_t *link)
+static int serial_suspend(struct pcmcia_device *dev)
{
+ dev_link_t *link = dev_to_instance(dev);
link->state |= DEV_SUSPEND;
if (link->state & DEV_CONFIG) {
@@ -173,10 +166,13 @@ static void serial_suspend(dev_link_t *link)
if (!info->slave)
pcmcia_release_configuration(link->handle);
}
+
+ return 0;
}
-static void serial_resume(dev_link_t *link)
+static int serial_resume(struct pcmcia_device *dev)
{
+ dev_link_t *link = dev_to_instance(dev);
link->state &= ~DEV_SUSPEND;
if (DEV_OK(link)) {
@@ -189,6 +185,8 @@ static void serial_resume(dev_link_t *link)
for (i = 0; i < info->ndev; i++)
serial8250_resume_port(info->line[i]);
}
+
+ return 0;
}
/*======================================================================
@@ -199,19 +197,17 @@ static void serial_resume(dev_link_t *link)
======================================================================*/
-static dev_link_t *serial_attach(void)
+static int serial_probe(struct pcmcia_device *p_dev)
{
struct serial_info *info;
- client_reg_t client_reg;
dev_link_t *link;
- int ret;
DEBUG(0, "serial_attach()\n");
/* Create new serial device */
info = kmalloc(sizeof (*info), GFP_KERNEL);
if (!info)
- return NULL;
+ return -ENOMEM;
memset(info, 0, sizeof (*info));
link = &info->link;
link->priv = info;
@@ -227,20 +223,12 @@ static dev_link_t *serial_attach(void)
}
link->conf.IntType = INT_MEMORY_AND_IO;
- /* Register with Card Services */
- link->next = dev_list;
- dev_list = link;
- client_reg.dev_info = &dev_info;
- client_reg.Version = 0x0210;
- client_reg.event_callback_args.client_data = link;
- ret = pcmcia_register_client(&link->handle, &client_reg);
- if (ret != CS_SUCCESS) {
- cs_error(link->handle, RegisterClient, ret);
- serial_detach(link);
- return NULL;
- }
+ link->handle = p_dev;
+ p_dev->instance = link;
+ link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
+ serial_config(link);
- return link;
+ return 0;
}
/*======================================================================
@@ -252,21 +240,13 @@ static dev_link_t *serial_attach(void)
======================================================================*/
-static void serial_detach(dev_link_t * link)
+static void serial_detach(struct pcmcia_device *p_dev)
{
+ dev_link_t *link = dev_to_instance(p_dev);
struct serial_info *info = link->priv;
- dev_link_t **linkp;
- int ret;
DEBUG(0, "serial_detach(0x%p)\n", link);
- /* Locate device structure */
- for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
- if (*linkp == link)
- break;
- if (*linkp == NULL)
- return;
-
/*
* Ensure any outstanding scheduled tasks are completed.
*/
@@ -277,14 +257,7 @@ static void serial_detach(dev_link_t * link)
*/
serial_remove(link);
- if (link->handle) {
- ret = pcmcia_deregister_client(link->handle);
- if (ret != CS_SUCCESS)
- cs_error(link->handle, DeregisterClient, ret);
- }
-
- /* Unlink device structure, free bits */
- *linkp = link->next;
+ /* free bits */
kfree(info);
}
@@ -718,54 +691,6 @@ void serial_config(dev_link_t * link)
kfree(cfg_mem);
}
-/*======================================================================
-
- The card status event handler. Mostly, this schedules other
- stuff to run after an event is received. A CARD_REMOVAL event
- also sets some flags to discourage the serial drivers from
- talking to the ports.
-
-======================================================================*/
-
-static int
-serial_event(event_t event, int priority, event_callback_args_t * args)
-{
- dev_link_t *link = args->client_data;
- struct serial_info *info = link->priv;
-
- DEBUG(1, "serial_event(0x%06x)\n", event);
-
- switch (event) {
- case CS_EVENT_CARD_REMOVAL:
- serial_remove(link);
- break;
-
- case CS_EVENT_CARD_INSERTION:
- link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
- serial_config(link);
- break;
-
- case CS_EVENT_PM_SUSPEND:
- serial_suspend(link);
- break;
-
- case CS_EVENT_RESET_PHYSICAL:
- if ((link->state & DEV_CONFIG) && !info->slave)
- pcmcia_release_configuration(link->handle);
- break;
-
- case CS_EVENT_PM_RESUME:
- serial_resume(link);
- break;
-
- case CS_EVENT_CARD_RESET:
- if (DEV_OK(link) && !info->slave)
- pcmcia_request_configuration(link->handle, &link->conf);
- break;
- }
- return 0;
-}
-
static struct pcmcia_device_id serial_ids[] = {
PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0057, 0x0021),
PCMCIA_PFC_DEVICE_MANF_CARD(1, 0x0089, 0x110a),
@@ -877,10 +802,11 @@ static struct pcmcia_driver serial_cs_driver = {
.drv = {
.name = "serial_cs",
},
- .attach = serial_attach,
- .event = serial_event,
- .detach = serial_detach,
+ .probe = serial_probe,
+ .remove = serial_detach,
.id_table = serial_ids,
+ .suspend = serial_suspend,
+ .resume = serial_resume,
};
static int __init init_serial_cs(void)
@@ -891,7 +817,6 @@ static int __init init_serial_cs(void)
static void __exit exit_serial_cs(void)
{
pcmcia_unregister_driver(&serial_cs_driver);
- BUG_ON(dev_list != NULL);
}
module_init(init_serial_cs);
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