[PATCH v3 09/33] swim: Don't start motor until medium is present
From: Finn Thain <fthain@linux-m68k.org>
Date: 2026-09-04 09:32:48
Also in:
linux-m68k, lkml
Subsystem:
block layer, the rest · Maintainers:
Jens Axboe, Linus Torvalds
The spindle motor should not be running when a disk is to be inserted.
Don't start the motor while the drive is empty.
Reviewed-by: Laurent Vivier <redacted>
Fixes: 8852ecd97488 ("m68k: mac - Add SWIM floppy support")
Signed-off-by: Finn Thain <fthain@linux-m68k.org>
---
drivers/block/swim.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index 1ade5c497e10..64073e8f6c36 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c@@ -630,8 +630,7 @@ static int floppy_open(struct gendisk *disk, blk_mode_t mode) fs->ref_count++; swim_drive(base, fs->location); - swim_motor(base, ON); - swim_action(base, SETMFM); + if (fs->ejected) setup_medium(fs); if (!fs->disk_in) {
@@ -639,6 +638,9 @@ static int floppy_open(struct gendisk *disk, blk_mode_t mode) goto out; } + swim_motor(base, ON); + swim_action(base, SETMFM); + set_capacity(fs->disk, fs->total_secs); if (mode & BLK_OPEN_NDELAY)
--
2.52.0