Matthew Wilcox wrote:
-#ifdef CONFIG_PCI
- pci_memory_address = pci_resource_start(pdev, 1);
- ASC_DBG1(1,
- "advansys_board_found: pci_memory_address: 0x%lx\n",
- (ulong)pci_memory_address);
- if ((boardp->ioremap_addr =
- ioremap(pci_memory_address & PAGE_MASK, PAGE_SIZE)) == 0) {
+ boardp->asc_n_io_port = pci_resource_len(pdev, 1);
+ boardp->ioremap_addr = ioremap(pci_resource_start(pdev, 1),
+ boardp->asc_n_io_port);
+ if (!boardp->ioremap_addr) {
ASC_PRINT3
As mentioned before you should check pci_resource_{start,len} do not
return zero in pci_driver::probe().
For PCI BAR length, the end result is just a more friendly error
message, since ioremap will return NULL for !size.
But ioremap will do the wrong thing, if passed zero for PCI BAR bus address.
Jeff
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