X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fide%2Fide-proc.c;h=84665e2ba3c85844436c1a1970d3ce6e7686987e;hb=4f3a36a7d0eb420471506fcd46ee46f4b5cd4ebc;hp=4b1e43b4118b696eec9a0d1a7609d9099110e863;hpb=9636273dae265b9354b861b373cd43cd76a6d0fe;p=powerpc.git diff --git a/drivers/ide/ide-proc.c b/drivers/ide/ide-proc.c index 4b1e43b411..84665e2ba3 100644 --- a/drivers/ide/ide-proc.c +++ b/drivers/ide/ide-proc.c @@ -64,6 +64,7 @@ static int proc_ide_read_imodel case ide_cy82c693: name = "cy82c693"; break; case ide_4drives: name = "4drives"; break; case ide_pmac: name = "mac-io"; break; + case ide_au1xxx: name = "au1xxx"; break; default: name = "(unknown)"; break; } len = sprintf(page, "%s\n", name); @@ -307,17 +308,41 @@ static int proc_ide_read_driver (char *page, char **start, off_t off, int count, int *eof, void *data) { ide_drive_t *drive = (ide_drive_t *) data; - ide_driver_t *driver = drive->driver; + struct device *dev = &drive->gendev; + ide_driver_t *ide_drv; int len; - if (driver) { + down_read(&dev->bus->subsys.rwsem); + if (dev->driver) { + ide_drv = container_of(dev->driver, ide_driver_t, gen_driver); len = sprintf(page, "%s version %s\n", - driver->name, driver->version); + dev->driver->name, ide_drv->version); } else len = sprintf(page, "ide-default version 0.9.newide\n"); + up_read(&dev->bus->subsys.rwsem); PROC_IDE_READ_RETURN(page,start,off,count,eof,len); } +static int ide_replace_subdriver(ide_drive_t *drive, const char *driver) +{ + struct device *dev = &drive->gendev; + int ret = 1; + + down_write(&dev->bus->subsys.rwsem); + device_release_driver(dev); + /* FIXME: device can still be in use by previous driver */ + strlcpy(drive->driver_req, driver, sizeof(drive->driver_req)); + device_attach(dev); + drive->driver_req[0] = 0; + if (dev->driver == NULL) + device_attach(dev); + if (dev->driver && !strcmp(dev->driver->name, driver)) + ret = 0; + up_write(&dev->bus->subsys.rwsem); + + return ret; +} + static int proc_ide_write_driver (struct file *file, const char __user *buffer, unsigned long count, void *data) { @@ -488,16 +513,32 @@ void destroy_proc_ide_interface(ide_hwif_t *hwif) } } -extern struct seq_operations ide_drivers_op; +static int proc_print_driver(struct device_driver *drv, void *data) +{ + ide_driver_t *ide_drv = container_of(drv, ide_driver_t, gen_driver); + struct seq_file *s = data; + + seq_printf(s, "%s version %s\n", drv->name, ide_drv->version); + + return 0; +} + +static int ide_drivers_show(struct seq_file *s, void *p) +{ + bus_for_each_drv(&ide_bus_type, NULL, s, proc_print_driver); + return 0; +} + static int ide_drivers_open(struct inode *inode, struct file *file) { - return seq_open(file, &ide_drivers_op); + return single_open(file, &ide_drivers_show, NULL); } + static struct file_operations ide_drivers_operations = { .open = ide_drivers_open, .read = seq_read, .llseek = seq_lseek, - .release = seq_release, + .release = single_release, }; void proc_ide_create(void)