The CL-PD6729 chip in some docking station is not initialized properly under
Linux.
in that case, does not load the pd6729 driver.
Signed-off-by: Komuro <komurojun-...@nifty.com>
---
--- linux-2.6.31/drivers/pcmcia/pd6729.c.orig 2009-09-12 11:14:37.000000000
+0900
+++ linux-2.6.31/drivers/pcmcia/pd6729.c 2009-09-12 11:40:01.000000000
+0900
@@ -641,6 +641,12 @@
if ((ret = pci_enable_device(dev)))
goto err_out_free_mem;
+ if ((unsigned long long)pci_resource_start(dev, 0) == 0) {
+ printk(KERN_INFO "pd6729: failed to load the driver."
+ "since 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);
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