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From: Stephen M. Cameron on 19 Jul 2010 14:50
From: Stephen M. Cameron <scameron(a)beardog.cce.hp.com>

cciss: factor out cciss_find_cfgtables

Signed-off-by: Stephen M. Cameron <scameron(a)beardog.cce.hp.com>
---
drivers/block/cciss.c | 68 +++++++++++++++++++++++++------------------------
1 files changed, 34 insertions(+), 34 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 286c81d..c297d31 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4041,13 +4041,40 @@ static int __devinit cciss_wait_for_board_ready(ctlr_info_t *h)
return -ENODEV;
}

+static int __devinit cciss_find_cfgtables(ctlr_info_t *h)
+{
+ u64 cfg_offset;
+ u32 cfg_base_addr;
+ u64 cfg_base_addr_index;
+ u32 trans_offset;
+
+ /* get the address index number */
+ cfg_base_addr = readl(h->vaddr + SA5_CTCFG_OFFSET);
+ cfg_base_addr &= (u32) 0x0000ffff;
+ cfg_base_addr_index = find_PCI_BAR_index(h->pdev, cfg_base_addr);
+ if (cfg_base_addr_index == -1) {
+ dev_warn(&h->pdev->dev, "cannot find cfg_base_addr_index\n");
+ return -ENODEV;
+ }
+ cfg_offset = readl(h->vaddr + SA5_CTMEM_OFFSET);
+ h->cfgtable = remap_pci_mem(pci_resource_start(h->pdev,
+ cfg_base_addr_index) + cfg_offset,
+ sizeof(h->cfgtable));
+ if (!h->cfgtable)
+ return -ENOMEM;
+ /* Find performant mode table. */
+ trans_offset = readl(&(h->cfgtable->TransMethodOffset));
+ h->transtable = remap_pci_mem(pci_resource_start(h->pdev,
+ cfg_base_addr_index)+cfg_offset+trans_offset,
+ sizeof(*h->transtable));
+ if (!h->transtable)
+ return -ENOMEM;
+ return 0;
+}
+
static int __devinit cciss_pci_init(ctlr_info_t *c)
{
- __u64 cfg_offset;
- __u32 cfg_base_addr;
- __u64 cfg_base_addr_index;
- __u32 trans_offset;
- int i, prod_index, err;
+ int prod_index, err;

prod_index = cciss_lookup_board_id(c->pdev, &c->board_id);
if (prod_index < 0)
@@ -4090,36 +4117,9 @@ static int __devinit cciss_pci_init(ctlr_info_t *c)
err = cciss_wait_for_board_ready(c);
if (err)
goto err_out_free_res;
-
- /* get the address index number */
- cfg_base_addr = readl(c->vaddr + SA5_CTCFG_OFFSET);
- cfg_base_addr &= (__u32) 0x0000ffff;
-#ifdef CCISS_DEBUG
- printk("cfg base address = %x\n", cfg_base_addr);
-#endif /* CCISS_DEBUG */
- cfg_base_addr_index = find_PCI_BAR_index(c->pdev, cfg_base_addr);
-#ifdef CCISS_DEBUG
- printk("cfg base address index = %llx\n",
- (unsigned long long)cfg_base_addr_index);
-#endif /* CCISS_DEBUG */
- if (cfg_base_addr_index == -1) {
- printk(KERN_WARNING "cciss: Cannot find cfg_base_addr_index\n");
- err = -ENODEV;
+ err = cciss_find_cfgtables(c);
+ if (err)
goto err_out_free_res;
- }
-
- cfg_offset = readl(c->vaddr + SA5_CTMEM_OFFSET);
-#ifdef CCISS_DEBUG
- printk("cfg offset = %llx\n", (unsigned long long)cfg_offset);
-#endif /* CCISS_DEBUG */
- c->cfgtable = remap_pci_mem(pci_resource_start(c->pdev,
- cfg_base_addr_index) +
- cfg_offset, sizeof(CfgTable_struct));
- /* Find performant mode table. */
- trans_offset = readl(&(c->cfgtable->TransMethodOffset));
- c->transtable = remap_pci_mem(pci_resource_start(c->pdev,
- cfg_base_addr_index) + cfg_offset+trans_offset,
- sizeof(*c->transtable));
#ifdef CCISS_DEBUG
print_cfg_table(c->cfgtable);
#endif /* CCISS_DEBUG */

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Next: [PATCH 20/26] cciss: fix hard reset code.