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| author | Komuro <komurojun-mbn@nifty.com> | 2009-10-24 08:07:39 +0900 |
|---|---|---|
| committer | Dominik Brodowski <linux@dominikbrodowski.net> | 2009-10-24 17:08:37 +0200 |
| commit | 94efb72328afa29ea5fd93e48ed17489afcdaa12 (patch) | |
| tree | 1bfd6b30ff0d5b19c5a2b925f3b07495c32796b9 | |
| parent | 5f784336dc02a1c5be3dffac3506bc07c1604cee (diff) | |
| download | lwn-94efb72328afa29ea5fd93e48ed17489afcdaa12.tar.gz lwn-94efb72328afa29ea5fd93e48ed17489afcdaa12.zip | |
pcmcia: do not load the pd6729 driver if io_base is NULL
The CL-PD6729 chip in some docking station is not initialized properly
under Linux. In that case, do not load the pd6729 driver.
[Dominik Brodowski <linux@dominikbrodowski.net>: spelling fixes, check for NULL not 0]
Signed-off-by: Komuro <komurojun-mbn@nifty.com>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
| -rw-r--r-- | drivers/pcmcia/pd6729.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c index 1c39d3438f20..70a33468bcd0 100644 --- a/drivers/pcmcia/pd6729.c +++ b/drivers/pcmcia/pd6729.c @@ -641,6 +641,12 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev, if ((ret = pci_enable_device(dev))) goto err_out_free_mem; + if (!pci_resource_start(dev, 0)) { + printk(KERN_INFO "pd6729: refusing to load the driver " + "as the io_base is 0.\n"); + goto err_out_free_mem; + } + printk(KERN_INFO "pd6729: Cirrus PD6729 PCI to PCMCIA Bridge " "at 0x%llx on irq %d\n", (unsigned long long)pci_resource_start(dev, 0), dev->irq); |