summary refs log tree commit diff
path: root/drivers/scsi/imm.c
diff options
context:
space:
mode:
authorRandy Dunlap <rdunlap@xenotime.net>2006-05-19 11:55:58 -0700
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-05-20 09:56:15 -0500
commit979dca3826841e5dc9170c28f20bd75ece266a9a (patch)
tree1cfeb1d2b47314a50d2e2e567e89cdbfa69f8162 /drivers/scsi/imm.c
parent818bf493525d2a0ce3ddaefb2b78db1635596666 (diff)
downloadlinux-979dca3826841e5dc9170c28f20bd75ece266a9a.tar.gz
[SCSI] imm: no need for unchecked_isa_dma
Relax the lowmem bounce buffer requirement for imm so that any
low memory page will do -- they don't need to be below the
ISA 16 MB limit, just need to be mapped in low memory.

Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/imm.c')
-rw-r--r--drivers/scsi/imm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/scsi/imm.c b/drivers/scsi/imm.c
index fc0f30ae0f77..cd2dffdab77a 100644
--- a/drivers/scsi/imm.c
+++ b/drivers/scsi/imm.c
@@ -1119,6 +1119,10 @@ static int device_check(imm_struct *dev)
 	return -ENODEV;
 }
 
+/*
+ * imm cannot deal with highmem, so this causes all IO pages for this host
+ * to reside in low memory (hence mapped)
+ */
 static int imm_adjust_queue(struct scsi_device *device)
 {
 	blk_queue_bounce_limit(device->request_queue, BLK_BOUNCE_HIGH);
@@ -1141,10 +1145,6 @@ static struct scsi_host_template imm_template = {
 	.use_clustering		= ENABLE_CLUSTERING,
 	.can_queue		= 1,
 	.slave_alloc		= imm_adjust_queue,
-	.unchecked_isa_dma	= 1, /* imm cannot deal with highmem, so
-				      * this is an easy trick to ensure
-				      * all io pages for this host reside
-				      * in low memory */
 };
 
 /***************************************************************************