]> err.no Git - linux-2.6/commitdiff
[SCSI] imm: no need for unchecked_isa_dma
authorRandy Dunlap <rdunlap@xenotime.net>
Fri, 19 May 2006 18:55:58 +0000 (11:55 -0700)
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>
Sat, 20 May 2006 14:56:15 +0000 (09:56 -0500)
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>
drivers/scsi/imm.c

index fc0f30ae0f77fc251b48bc70e011c53bc816f3fa..cd2dffdab77a491e46f2e6f8ffafd944bc79b936 100644 (file)
@@ -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 */
 };
 
 /***************************************************************************