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Date: Wed, 11 Apr 2018 20:50:14 -0400 (EDT) From: Finn Thain <fthain@...egraphics.com.au> To: Geert Uytterhoeven <geert@...ux-m68k.org> Cc: Jens Axboe <axboe@...nel.dk>, Laurent Vivier <lvivier@...hat.com>, linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org, linux-block@...r.kernel.org, stable@...r.kernel.org Subject: [PATCH v2 08/10] block/swim: Check drive type 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@...hat.com> Cc: Jens Axboe <axboe@...nel.dk> Cc: stable@...r.kernel.org # v4.14+ Tested-by: Stan Johnson <userm57@...oo.com> Signed-off-by: Finn Thain <fthain@...egraphics.com.au> Acked-by: Laurent Vivier <lvivier@...hat.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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