[PATCH 07/18] swim: don't call blk_register_region
From: Christoph Hellwig <hch@lst.de>
Date: 2020-10-29 15:16:38
Also in:
linux-block, linux-ide, linux-m68k, linux-scsi, lkml
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
The swim driver (unlike various other floppy drivers) doesn't have magic device nodes for certain modes, and already registers a gendisk for each of the floppies supported by a device. Thus the region registered is a no-op and can be removed. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Hannes Reinecke <hare@suse.de> --- drivers/block/swim.c | 17 ----------------- 1 file changed, 17 deletions(-)
diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index 52dd1efa00f9c5..cc6a0bc6c005a7 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c@@ -745,18 +745,6 @@ static const struct block_device_operations floppy_fops = { .check_events = floppy_check_events, }; -static struct kobject *floppy_find(dev_t dev, int *part, void *data) -{ - struct swim_priv *swd = data; - int drive = (*part & 3); - - if (drive >= swd->floppy_count) - return NULL; - - *part = 0; - return get_disk_and_module(swd->unit[drive].disk); -} - static int swim_add_floppy(struct swim_priv *swd, enum drive_location location) { struct floppy_state *fs = &swd->unit[swd->floppy_count];
@@ -846,9 +834,6 @@ static int swim_floppy_init(struct swim_priv *swd) add_disk(swd->unit[drive].disk); } - blk_register_region(MKDEV(FLOPPY_MAJOR, 0), 256, THIS_MODULE, - floppy_find, NULL, swd); - return 0; exit_put_disks:
@@ -932,8 +917,6 @@ static int swim_remove(struct platform_device *dev) int drive; struct resource *res; - blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256); - for (drive = 0; drive < swd->floppy_count; drive++) { del_gendisk(swd->unit[drive].disk); blk_cleanup_queue(swd->unit[drive].disk->queue);
--
2.28.0