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Message-ID: <tkrat.d4c825f325c015da@s5r6.in-berlin.de> Date: Thu, 11 Jan 2007 08:50:27 +0100 (CET) From: Stefan Richter <stefanr@...6.in-berlin.de> To: stable@...nel.org cc: linux-kernel@...r.kernel.org Subject: [PATCH 2.6.19.y] 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 <stefanr@...6.in-berlin.de> --- same as commit 1a74bc68e4c0534d150e6454b45a70dab831fa32 Index: linux-2.6.19.1/drivers/ieee1394/sbp2.c =================================================================== --- linux-2.6.19.1.orig/drivers/ieee1394/sbp2.c +++ linux-2.6.19.1/drivers/ieee1394/sbp2.c @@ -2530,6 +2530,8 @@ 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 && scsi_id->workarounds & SBP2_WORKAROUND_MODE_SENSE_8) sdev->skip_ms_page_8 = 1; -- Stefan Richter -=====-=-=== ---= -=-== http://arcgraph.de/sr/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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