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| author | Dave Airlie <airlied@redhat.com> | 2010-09-24 15:37:33 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-09-24 15:37:33 +1000 |
| commit | 4a445f291ac3faa08f56eaeb6e44856b6b72b74c (patch) | |
| tree | b66cc93311dc4c623113a87aa9b40730a21ac18e /drivers/block/cciss.c | |
| parent | cbc60ca04b342a4e1f2a1086a7277c077f07dbed (diff) | |
| parent | a850ea30374ebed32a0724742601861853fde869 (diff) | |
| download | kernel_goldelico_gta04-4a445f291ac3faa08f56eaeb6e44856b6b72b74c.zip kernel_goldelico_gta04-4a445f291ac3faa08f56eaeb6e44856b6b72b74c.tar.gz kernel_goldelico_gta04-4a445f291ac3faa08f56eaeb6e44856b6b72b74c.tar.bz2 | |
Merge remote branch 'origin/master' of /home/airlied/kernel//linux-2.6 into drm-core-next
Diffstat (limited to 'drivers/block/cciss.c')
| -rw-r--r-- | drivers/block/cciss.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 31064df..5e4fadc 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -297,6 +297,8 @@ static void enqueue_cmd_and_start_io(ctlr_info_t *h, spin_lock_irqsave(&h->lock, flags); addQ(&h->reqQ, c); h->Qdepth++; + if (h->Qdepth > h->maxQsinceinit) + h->maxQsinceinit = h->Qdepth; start_io(h); spin_unlock_irqrestore(&h->lock, flags); } @@ -4519,6 +4521,12 @@ static __devinit int cciss_kdump_hard_reset_controller(struct pci_dev *pdev) misc_fw_support = readl(&cfgtable->misc_fw_support); use_doorbell = misc_fw_support & MISC_FW_DOORBELL_RESET; + /* The doorbell reset seems to cause lockups on some Smart + * Arrays (e.g. P410, P410i, maybe others). Until this is + * fixed or at least isolated, avoid the doorbell reset. + */ + use_doorbell = 0; + rc = cciss_controller_hard_reset(pdev, vaddr, use_doorbell); if (rc) goto unmap_cfgtable; @@ -4712,6 +4720,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, h->scatter_list = kmalloc(h->max_commands * sizeof(struct scatterlist *), GFP_KERNEL); + if (!h->scatter_list) + goto clean4; + for (k = 0; k < h->nr_cmds; k++) { h->scatter_list[k] = kmalloc(sizeof(struct scatterlist) * h->maxsgentries, @@ -4781,7 +4792,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, clean4: kfree(h->cmd_pool_bits); /* Free up sg elements */ - for (k = 0; k < h->nr_cmds; k++) + for (k-- ; k >= 0; k--) kfree(h->scatter_list[k]); kfree(h->scatter_list); cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); |