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scsi: make imm depend on !HIGHMEM

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This is one of the last drivers depending on the block layer bounce
buffering code.  Restrict it to run on non-highmem configs so that the
bounce buffering code can be removed.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Link: https://lore.kernel.org/r/20250505081138.3435992-3-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2025-05-05 10:11:21 +02:00 committed by Jens Axboe
parent 7b32cb540b
commit bf69bd3fc2
2 changed files with 1 additions and 1 deletions
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1
drivers/scsi/Kconfig
View File

@ -823,6 +823,7 @@ config SCSI_PPA
config SCSI_IMM config SCSI_IMM
tristate "IOMEGA parallel port (imm - newer drives)" tristate "IOMEGA parallel port (imm - newer drives)"
depends on SCSI && PARPORT_PC depends on SCSI && PARPORT_PC
depends on !HIGHMEM
help help
This driver supports newer versions of IOMEGA's parallel port ZIP This driver supports newer versions of IOMEGA's parallel port ZIP
drive (a 100 MB removable media device). drive (a 100 MB removable media device).

1
drivers/scsi/imm.c
View File

@ -1224,7 +1224,6 @@ static int __imm_attach(struct parport *pb)
host = scsi_host_alloc(&imm_template, sizeof(imm_struct *)); host = scsi_host_alloc(&imm_template, sizeof(imm_struct *));
if (!host) if (!host)
goto out1; goto out1;
host->no_highmem = true;
host->io_port = pb->base; host->io_port = pb->base;
host->n_io_port = ports; host->n_io_port = ports;
host->dma_channel = -1; host->dma_channel = -1;