diff options
| author | Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> | 2010-05-11 23:53:04 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-05-12 23:02:30 -0700 |
| commit | 14e2cfbb79712f07962be027016868ba487c696b (patch) | |
| tree | fca7f5aa766b74df48d3b2b8d61a6be3632ef9e2 /drivers/net/netxen | |
| parent | 215387a4b51f346418c285176f752ccf3609b6fb (diff) | |
| download | lwn-14e2cfbb79712f07962be027016868ba487c696b.tar.gz lwn-14e2cfbb79712f07962be027016868ba487c696b.zip | |
netxen: to fix onchip memory access.
Remove unnecessary remap of the region in bar 0 to access onhip memory
for NX3031.
Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/netxen')
| -rw-r--r-- | drivers/net/netxen/netxen_nic_hw.c | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/drivers/net/netxen/netxen_nic_hw.c b/drivers/net/netxen/netxen_nic_hw.c index 87bc910f9772..be6398860781 100644 --- a/drivers/net/netxen/netxen_nic_hw.c +++ b/drivers/net/netxen/netxen_nic_hw.c @@ -32,7 +32,6 @@ #define MASK(n) ((1ULL<<(n))-1) #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff)) #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff)) -#define OCM_WIN_P3P(addr) (addr & 0xffc0000) #define MS_WIN(addr) (addr & 0x0ffc0000) #define GET_MEM_OFFS_2M(addr) (addr & MASK(18)) @@ -1391,18 +1390,8 @@ netxen_nic_pci_set_window_2M(struct netxen_adapter *adapter, u64 addr, u32 *start) { u32 window; - struct pci_dev *pdev = adapter->pdev; - if ((addr & 0x00ff800) == 0xff800) { - if (printk_ratelimit()) - dev_warn(&pdev->dev, "QM access not handled\n"); - return -EIO; - } - - if (NX_IS_REVISION_P3P(adapter->ahw.revision_id)) - window = OCM_WIN_P3P(addr); - else - window = OCM_WIN(addr); + window = OCM_WIN(addr); writel(window, adapter->ahw.ocm_win_crb); /* read back to flush */ @@ -1419,7 +1408,7 @@ netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off, { void __iomem *addr, *mem_ptr = NULL; resource_size_t mem_base; - int ret = -EIO; + int ret; u32 start; spin_lock(&adapter->ahw.mem_lock); @@ -1428,20 +1417,23 @@ netxen_nic_pci_mem_access_direct(struct netxen_adapter *adapter, u64 off, if (ret != 0) goto unlock; - addr = pci_base_offset(adapter, start); - if (addr) - goto noremap; - - mem_base = pci_resource_start(adapter->pdev, 0) + (start & PAGE_MASK); + if (NX_IS_REVISION_P3(adapter->ahw.revision_id)) { + addr = adapter->ahw.pci_base0 + start; + } else { + addr = pci_base_offset(adapter, start); + if (addr) + goto noremap; + + mem_base = pci_resource_start(adapter->pdev, 0) + + (start & PAGE_MASK); + mem_ptr = ioremap(mem_base, PAGE_SIZE); + if (mem_ptr == NULL) { + ret = -EIO; + goto unlock; + } - mem_ptr = ioremap(mem_base, PAGE_SIZE); - if (mem_ptr == NULL) { - ret = -EIO; - goto unlock; + addr = mem_ptr + (start & (PAGE_SIZE-1)); } - - addr = mem_ptr + (start & (PAGE_SIZE - 1)); - noremap: if (op == 0) /* read */ *data = readq(addr); |