| commit | 2eba08270990b99fb5429b76ee97184ddd272f7f | |
| author | Borislav Petkov <petkovbb@gmail.com> | |
| Tue, 31 Mar 2009 18:14:58 +0000 (31 20:14 +0200) | ||
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | |
| Tue, 31 Mar 2009 18:14:58 +0000 (31 20:14 +0200) | ||
| tree | ed34e557681f7cf6c78144703eb84931377adcc3 | treesnapshot (tar.gz zip) |
| parent | da19620d99377a52b953245089f831a9c3f049c2 | commitdiff |
ide-atapi: start DMA after issuing a packet command
Apparently¹, some ATAPI devices want to see the packet command first
before enabling DMA otherwise they simply hang indefinitely. Reorder the
two steps and start DMA only after having issued the command first.
[1] http://marc.info/?l=linux-kernel&m=123835520317235&w=2
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Reported-by: Michael Roth <mroth@nessie.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Apparently¹, some ATAPI devices want to see the packet command first
before enabling DMA otherwise they simply hang indefinitely. Reorder the
two steps and start DMA only after having issued the command first.
[1] http://marc.info/?l=linux-kernel&m=123835520317235&w=2
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Reported-by: Michael Roth <mroth@nessie.de>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
| drivers/ide/ide-atapi.c | diffblobblamehistory |