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authorJu, Seokmann <Seokmann.Ju@lsil.com>2006-07-25 08:44:48 -0600
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>2006-07-28 13:10:23 -0500
commitfbf6080225a03aa2b3671acacebdf615f1d3f6ba (patch)
tree8813b1849713b29b52e73bfef8912b7e35b547ea /drivers/scsi/megaraid/megaraid_mbox.h
parentf4246b33c774bb4330eb6286beed6d3c9f4373c4 (diff)
[SCSI] megaraid_{mm,mbox}: 64-bit DMA capability checker
This patch contains - a fix for 64-bit DMA capability check in megaraid_{mm,mbox} driver. - includes changes (going back to 32-bit DMA mask if 64-bit DMA mask failes) suggested by James with previous patch. - addition of SATA 150-4/6 as commented by Vasily Averin. With patch, the driver access PCIconfiguration space with dedicated offset to read a signature. If the signature read, it means that the controller has capability to handle 64-bit DMA. Without this patch, the driver used to blindly claim 64-bit DMA capability. The issue has been reported by Vasily Averin [vvs@sw.ru]. Thank you Vasily for the reporting. Signed-Off By: Seokmann Ju <seokmann.ju@lsil.com> Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/megaraid/megaraid_mbox.h')
-rw-r--r--drivers/scsi/megaraid/megaraid_mbox.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/scsi/megaraid/megaraid_mbox.h b/drivers/scsi/megaraid/megaraid_mbox.h
index 868fb0ec93e7..2b5a3285f799 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.h
+++ b/drivers/scsi/megaraid/megaraid_mbox.h
@@ -21,8 +21,8 @@
#include "megaraid_ioctl.h"
-#define MEGARAID_VERSION "2.20.4.8"
-#define MEGARAID_EXT_VERSION "(Release Date: Mon Apr 11 12:27:22 EST 2006)"
+#define MEGARAID_VERSION "2.20.4.9"
+#define MEGARAID_EXT_VERSION "(Release Date: Sun Jul 16 12:27:22 EST 2006)"
/*

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