The patch titled
cciss: change to discover first memory BAR
has been added to the -mm tree. Its filename is
cciss-change-to-discover-first-memory-bar.patch
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------------------------------------------------------
Subject: cciss: change to discover first memory BAR
From: Mike Miller <mike.miller@xxxxxx>
Add a method for discovering the first memory BAR. All Smart Array
controllers to date have always had the the memory BAR as the first BAR.
A new controller to be released later this year breaks that model.
Signed-off-by: Mike Miller <mike.miller@xxxxxx>
Cc: Jens Axboe <jens.axboe@xxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/block/cciss.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff -puN drivers/block/cciss.c~cciss-change-to-discover-first-memory-bar drivers/block/cciss.c
--- a/drivers/block/cciss.c~cciss-change-to-discover-first-memory-bar
+++ a/drivers/block/cciss.c
@@ -3181,12 +3181,21 @@ static int __devinit cciss_pci_init(ctlr
*/
cciss_interrupt_mode(c, pdev, board_id);
- /*
- * Memory base addr is first addr , the second points to the config
- * table
- */
+ /* find the memory BAR */
+ for (i = 0; i < DEVICE_COUNT_RESOURCE; i++) {
+ if (pci_resource_flags(pdev, i) & IORESOURCE_MEM)
+ break;
+ }
+ if (i == DEVICE_COUNT_RESOURCE) {
+ printk(KERN_WARNING "cciss: No memory BAR found\n");
+ err = -ENODEV;
+ goto err_out_free_res;
+ }
+
+ c->paddr = pci_resource_start(pdev, i); /* addressing mode bits
+ * already removed
+ */
- c->paddr = pci_resource_start(pdev, 0); /* addressing mode bits already removed */
#ifdef CCISS_DEBUG
printk("address 0 = %lx\n", c->paddr);
#endif /* CCISS_DEBUG */
_
Patches currently in -mm which might be from mike.miller@xxxxxx are
cciss-change-to-discover-first-memory-bar.patch
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