From: Laurent Pinchart The dm9000 driver accepts either 2 or 3 resources to describe the platform devices. The 2 resources case abuses the ioresource mechanism by passing ioremap()ed memory through the platform device resources. This patch removes that case and converts boards that were using it to the 3 resources scheme. Signed-off-by: Ben Dooks Signed-off-by: Laurent Pinchart --- Index: linux-2.6.26-rc7-next20080624/drivers/net/dm9000.c =================================================================== --- linux-2.6.26-rc7-next20080624.orig/drivers/net/dm9000.c 2008-06-24 21:58:09.000000000 +0100 +++ linux-2.6.26-rc7-next20080624/drivers/net/dm9000.c 2008-06-24 21:58:25.000000000 +0100 @@ -528,7 +528,6 @@ dm9000_probe(struct platform_device *pde struct board_info *db; /* Point a board information structure */ struct net_device *ndev; const unsigned char *mac_src; - unsigned long base; int ret = 0; int iosize; int i; @@ -558,81 +557,64 @@ dm9000_probe(struct platform_device *pde INIT_DELAYED_WORK(&db->phy_poll, dm9000_poll_work); - if (pdev->num_resources < 2) { + if (pdev->num_resources < 3) { ret = -ENODEV; goto out; - } else if (pdev->num_resources == 2) { - base = pdev->resource[0].start; - - if (!request_mem_region(base, 4, ndev->name)) { - ret = -EBUSY; - goto out; - } - - ndev->base_addr = base; - ndev->irq = pdev->resource[1].start; - db->io_addr = (void __iomem *)base; - db->io_data = (void __iomem *)(base + 4); - - /* ensure at least we have a default set of IO routines */ - dm9000_set_io(db, 2); - - } else { - db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); - db->irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); - - if (db->addr_res == NULL || db->data_res == NULL || - db->irq_res == NULL) { - dev_err(db->dev, "insufficient resources\n"); - ret = -ENOENT; - goto out; - } + } - i = res_size(db->addr_res); - db->addr_req = request_mem_region(db->addr_res->start, i, - pdev->name); - - if (db->addr_req == NULL) { - dev_err(db->dev, "cannot claim address reg area\n"); - ret = -EIO; - goto out; - } + db->addr_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + db->data_res = platform_get_resource(pdev, IORESOURCE_MEM, 1); + db->irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); + + if (db->addr_res == NULL || db->data_res == NULL || + db->irq_res == NULL) { + dev_err(db->dev, "insufficient resources\n"); + ret = -ENOENT; + goto out; + } - db->io_addr = ioremap(db->addr_res->start, i); + iosize = res_size(db->addr_res); + db->addr_req = request_mem_region(db->addr_res->start, iosize, + pdev->name); + + if (db->addr_req == NULL) { + dev_err(db->dev, "cannot claim address reg area\n"); + ret = -EIO; + goto out; + } - if (db->io_addr == NULL) { - dev_err(db->dev, "failed to ioremap address reg\n"); - ret = -EINVAL; - goto out; - } + db->io_addr = ioremap(db->addr_res->start, iosize); - iosize = res_size(db->data_res); - db->data_req = request_mem_region(db->data_res->start, iosize, - pdev->name); - - if (db->data_req == NULL) { - dev_err(db->dev, "cannot claim data reg area\n"); - ret = -EIO; - goto out; - } + if (db->io_addr == NULL) { + dev_err(db->dev, "failed to ioremap address reg\n"); + ret = -EINVAL; + goto out; + } - db->io_data = ioremap(db->data_res->start, iosize); + iosize = res_size(db->data_res); + db->data_req = request_mem_region(db->data_res->start, iosize, + pdev->name); + + if (db->data_req == NULL) { + dev_err(db->dev, "cannot claim data reg area\n"); + ret = -EIO; + goto out; + } - if (db->io_data == NULL) { - dev_err(db->dev,"failed to ioremap data reg\n"); - ret = -EINVAL; - goto out; - } + db->io_data = ioremap(db->data_res->start, iosize); - /* fill in parameters for net-dev structure */ + if (db->io_data == NULL) { + dev_err(db->dev, "failed to ioremap data reg\n"); + ret = -EINVAL; + goto out; + } - ndev->base_addr = (unsigned long)db->io_addr; - ndev->irq = db->irq_res->start; + /* fill in parameters for net-dev structure */ + ndev->base_addr = (unsigned long)db->io_addr; + ndev->irq = db->irq_res->start; - /* ensure at least we have a default set of IO routines */ - dm9000_set_io(db, iosize); - } + /* ensure at least we have a default set of IO routines */ + dm9000_set_io(db, iosize); /* check to see if anything is being over-ridden */ if (pdata != NULL) { -- Ben (ben@fluff.org, http://www.fluff.org/) 'a smiley only costs 4 bytes' -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html