Linus, please pull from the for-linus branch at
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6.git for-linus
to receive a fix for a regression since 2.6.19 inclusive.
(Or apply from this mail.)
drivers/ieee1394/sbp2.c | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
commit 1a74bc68e4c0534d150e6454b45a70dab831fa32
Author: Stefan Richter <[email protected]>
Date: Wed Jan 10 20:17:15 2007 +0100
ieee1394: sbp2: fix probing of some DVD-ROM/RWs
Since commit 98e238cd42be6c0852da519303cf0182690f8d9f in Linux 2.6.19,
"ieee1394: sbp2: don't prefer MODE SENSE 10", some FireWire DVD-ROMs and
DVD-RWs were mistaken as CD-ROM because sr_mod now sent MODE SENSE 6.
The MMC command set includes only MODE SENSE 10.
http://bugzilla.kernel.org/show_bug.cgi?id=7800
This fix lets sbp2 switch scsi_device.use_10_for_rw on for MMC LUs.
This should rather be done in the command set driver sr_mod, not in the
sbp2 transport driver, and an according patch will follow for a next
Linux release.
Signed-off-by: Stefan Richter <[email protected]>
---
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 2b5d7ab..4325aac 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -2020,6 +2020,8 @@ static int sbp2scsi_slave_configure(stru
blk_queue_dma_alignment(sdev->request_queue, (512 - 1));
sdev->use_10_for_rw = 1;
+ if (sdev->type == TYPE_ROM)
+ sdev->use_10_for_ms = 1;
if (sdev->type == TYPE_DISK &&
lu->workarounds & SBP2_WORKAROUND_MODE_SENSE_8)
sdev->skip_ms_page_8 = 1;
--
Stefan Richter
-=====-=-=== ---= -=-=-
http://arcgraph.de/sr/
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