diff options
author | Geert Uytterhoeven <geert@linux-m68k.org> | 2009-04-05 13:12:30 +0200 |
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committer | Geert Uytterhoeven <geert@linux-m68k.org> | 2010-05-26 19:51:09 +0200 |
commit | 826e8c8c804e5a38586c6b48ef38d1e755789f0c (patch) | |
tree | f71bbfbbe4edcc26e7e9cf470b0b506b20714da5 /drivers/char/amiserial.c | |
parent | 314c926f64b345f153b9180a2c79333657dbec48 (diff) |
m68k: amiga - Serial port platform device conversion
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Diffstat (limited to 'drivers/char/amiserial.c')
-rw-r--r-- | drivers/char/amiserial.c | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 56b27671adc..4f8d60c25a9 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -84,6 +84,7 @@ static char *serial_version = "4.30"; #include <linux/smp_lock.h> #include <linux/init.h> #include <linux/bitops.h> +#include <linux/platform_device.h> #include <asm/setup.h> @@ -1954,29 +1955,16 @@ static const struct tty_operations serial_ops = { /* * The serial driver boot-time initialization code! */ -static int __init rs_init(void) +static int __init amiga_serial_probe(struct platform_device *pdev) { unsigned long flags; struct serial_state * state; int error; - if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_SERIAL)) - return -ENODEV; - serial_driver = alloc_tty_driver(1); if (!serial_driver) return -ENOMEM; - /* - * We request SERDAT and SERPER only, because the serial registers are - * too spreaded over the custom register space - */ - if (!request_mem_region(CUSTOM_PHYSADDR+0x30, 4, - "amiserial [Paula]")) { - error = -EBUSY; - goto fail_put_tty_driver; - } - IRQ_ports = NULL; show_serial_version(); @@ -1998,7 +1986,7 @@ static int __init rs_init(void) error = tty_register_driver(serial_driver); if (error) - goto fail_release_mem_region; + goto fail_put_tty_driver; state = rs_table; state->magic = SSTATE_MAGIC; @@ -2050,23 +2038,24 @@ static int __init rs_init(void) ciab.ddra |= (SER_DTR | SER_RTS); /* outputs */ ciab.ddra &= ~(SER_DCD | SER_CTS | SER_DSR); /* inputs */ + platform_set_drvdata(pdev, state); + return 0; fail_free_irq: free_irq(IRQ_AMIGA_TBE, state); fail_unregister: tty_unregister_driver(serial_driver); -fail_release_mem_region: - release_mem_region(CUSTOM_PHYSADDR+0x30, 4); fail_put_tty_driver: put_tty_driver(serial_driver); return error; } -static __exit void rs_exit(void) +static int __exit amiga_serial_remove(struct platform_device *pdev) { int error; - struct async_struct *info = rs_table[0].info; + struct serial_state *state = platform_get_drvdata(pdev); + struct async_struct *info = state->info; /* printk("Unloading %s: version %s\n", serial_name, serial_version); */ tasklet_kill(&info->tlet); @@ -2075,19 +2064,38 @@ static __exit void rs_exit(void) error); put_tty_driver(serial_driver); - if (info) { - rs_table[0].info = NULL; - kfree(info); - } + rs_table[0].info = NULL; + kfree(info); free_irq(IRQ_AMIGA_TBE, rs_table); free_irq(IRQ_AMIGA_RBF, rs_table); - release_mem_region(CUSTOM_PHYSADDR+0x30, 4); + platform_set_drvdata(pdev, NULL); + + return error; +} + +static struct platform_driver amiga_serial_driver = { + .remove = __exit_p(amiga_serial_remove), + .driver = { + .name = "amiga-serial", + .owner = THIS_MODULE, + }, +}; + +static int __init amiga_serial_init(void) +{ + return platform_driver_probe(&amiga_serial_driver, amiga_serial_probe); +} + +module_init(amiga_serial_init); + +static void __exit amiga_serial_exit(void) +{ + platform_driver_unregister(&amiga_serial_driver); } -module_init(rs_init) -module_exit(rs_exit) +module_exit(amiga_serial_exit); #if defined(CONFIG_SERIAL_CONSOLE) && !defined(MODULE) @@ -2154,3 +2162,4 @@ console_initcall(amiserial_console_init); #endif /* CONFIG_SERIAL_CONSOLE && !MODULE */ MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:amiga-serial"); |