Re: [PATCH 3/6] IP100A Remove CONFIG_SUNDANCE_MMIO, mask of mappingaddress

From: Jeff Garzik
Date: Thu Aug 17 2006 - 10:44:46 EST


Jesse Huang wrote:
-/* Work-around for Kendin chip bugs. */
-#ifndef CONFIG_SUNDANCE_MMIO
-#define USE_IO_OPS 1
-#endif

Why? This simply eliminates the ability of the user to set the driver configuration at Kconfig time, requiring them to edit the driver to achieve the same functionality.


@@ -491,10 +487,13 @@ #endif
if (pci_request_regions(pdev, DRV_NAME))
goto err_out_netdev;
- ioaddr = pci_iomap(pdev, bar, netdev_io_size);
+ ioaddr =(void __iomem *)
+ ((unsigned long)pci_iomap(pdev, bar, netdev_io_size) & + 0xffffff80);

NAK, this is very wrong. pci_iomap() returns a "cookie", which you are not allowed to modify in any way.

Jeff


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