clarify why DMA gets disabled on broken drives
PATCH 1/1 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.
Signature · 17 lines
Tomas Szepe <[email protected]> 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;