The patch titled
Subject: cciss: add cciss_allow_hpsa module parameter
has been added to the -mm tree. Its filename is
cciss-add-cciss_allow_hpsa-module-parameter.patch
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------------------------------------------------------
From: Mike Miller <mike.miller@xxxxxx>
Subject: cciss: add cciss_allow_hpsa module parameter
Add the cciss_allow_hpsa modules parameter. This allows users to use the
hpsa driver instead of cciss for older controllers.
Signed-off-by: Mike Miller <mike.miller@xxxxxx>
Cc: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/cciss.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff -puN drivers/block/cciss.c~cciss-add-cciss_allow_hpsa-module-parameter drivers/block/cciss.c
--- a/drivers/block/cciss.c~cciss-add-cciss_allow_hpsa-module-parameter
+++ a/drivers/block/cciss.c
@@ -75,6 +75,12 @@ module_param(cciss_simple_mode, int, S_I
MODULE_PARM_DESC(cciss_simple_mode,
"Use 'simple mode' rather than 'performant mode'");
+static int cciss_allow_hpsa;
+module_param(cciss_allow_hpsa, int, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(cciss_allow_hpsa,
+ "Prevent cciss driver from accessing hardware known to be "
+ " supported by the hpsa driver");
+
static DEFINE_MUTEX(cciss_mutex);
static struct proc_dir_entry *proc_cciss;
@@ -4116,9 +4122,13 @@ static int cciss_lookup_board_id(struct
*board_id = ((subsystem_device_id << 16) & 0xffff0000) |
subsystem_vendor_id;
- for (i = 0; i < ARRAY_SIZE(products); i++)
+ for (i = 0; i < ARRAY_SIZE(products); i++) {
+ /* Stand aside for hpsa driver on request */
+ if (cciss_allow_hpsa)
+ return -ENODEV;
if (*board_id == products[i].board_id)
return i;
+ }
dev_warn(&pdev->dev, "unrecognized board ID: 0x%08x, ignoring.\n",
*board_id);
return -ENODEV;
_
Patches currently in -mm which might be from mike.miller@xxxxxx are
cciss-add-cciss_allow_hpsa-module-parameter.patch
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