Re: [PATCH 2.6] Hydra i2c
From: Christoph Hellwig <hch@lst.de>
Date: 2004-01-18 12:49:57
On Sun, Jan 18, 2004 at 01:28:22PM +0100, Geert Uytterhoeven wrote:
+static int __devinit hydra_probe(struct pci_dev *dev,
+ const struct pci_device_id *id)
+{
+ unsigned int base_addr;
+
+ base_addr = dev->resource[0].start;I think you should use pci_resource_start here.
+ hydra_bit_data.data = ioremap(base_addr, 0x100);
And pci_resource len instead of hardcoding it? Also you need to check the ioremap return value. You should also add a safety exit for the case the probe callback is called more than once. Or dynamic allocate a per-device struct instead of using hydra_bit_data.
+static void __exit i2c_hydra_exit(void)
+{
+ pci_unregister_driver(&hydra_driver);
+ iounmap(hydra_bit_data.data);The ioremap should move into the hydra_remove. ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/