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Subject[PATCH 2.6] clarify why DMA gets disabled on broken drives
Bartolomiej,

I just ran into this and had to look at the sources to find out why
the IDE driver was turning off DMA for a particular drive.

--
Tomas Szepe <szepe@pinerecords.com>

Patch against 2.6.0-test2-bk5.

diff -urN a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
--- a/drivers/ide/ide-dma.c 2003-07-27 19:50:57.000000000 +0200
+++ b/drivers/ide/ide-dma.c 2003-08-05 23:33:13.000000000 +0200
@@ -767,7 +767,8 @@

int blacklist = in_drive_list(id, drive_blacklist);
if (blacklist) {
- printk(KERN_WARNING "%s: Disabling (U)DMA for %s\n", drive->name, id->model);
+ printk(KERN_WARNING "%s: Disabling (U)DMA for %s (on blacklist)\n",
+ drive->name, id->model);
return(blacklist);
}
return 0;
-
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