Messages in this thread Patch in this message | | | From | Finn Thain <> | Subject | [PATCH v2 08/10] block/swim: Check drive type | Date | Wed, 11 Apr 2018 20:50:14 -0400 (EDT) |
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The SWIM chip is compatible with GCR-mode Sony 400K/800K drives but this driver only supports MFM mode. Therefore only Sony FDHD drives are supported. Skip incompatible drives.
Cc: Laurent Vivier <lvivier@redhat.com> Cc: Jens Axboe <axboe@kernel.dk> Cc: stable@vger.kernel.org # v4.14+ Tested-by: Stan Johnson <userm57@yahoo.com> Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Acked-by: Laurent Vivier <lvivier@redhat.com> --- 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 d1ee4670666a..c8c8b9da3edd 100644 --- a/drivers/block/swim.c +++ b/drivers/block/swim.c @@ -829,10 +829,12 @@ static int swim_floppy_init(struct swim_priv *swd) /* scan floppy drives */ swim_drive(base, INTERNAL_DRIVE); - if (swim_readbit(base, DRIVE_PRESENT)) + if (swim_readbit(base, DRIVE_PRESENT) && + !swim_readbit(base, ONEMEG_DRIVE)) swim_add_floppy(swd, INTERNAL_DRIVE); swim_drive(base, EXTERNAL_DRIVE); - if (swim_readbit(base, DRIVE_PRESENT)) + if (swim_readbit(base, DRIVE_PRESENT) && + !swim_readbit(base, ONEMEG_DRIVE)) swim_add_floppy(swd, EXTERNAL_DRIVE); /* register floppy drives */ -- 2.16.1
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