redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

sh: pci: Allow register_pci_controller() to handle overlapping regions.

Browse source 
Some host controllers (such as SH7786) have overlapping regions that are
fixed in hardware. The resource allocator does the right thing in
managing this space already, so the conflict case is non-fatal.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2009-06-16 06:01:58 +09:00
parent 8b27fc6de1
commit 8c6b44d00a
1 changed files with 2 additions and 12 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

14
arch/sh/drivers/pci/pci.c
View file

@ -53,12 +53,8 @@ static DEFINE_MUTEX(pci_scan_mutex);
void __devinit register_pci_controller(struct pci_channel *hose)
{
if (request_resource(&iomem_resource, hose->mem_resource) < 0)
goto out;
if (request_resource(&ioport_resource, hose->io_resource) < 0) {
release_resource(hose->mem_resource);
goto out;
}
request_resource(&iomem_resource, hose->mem_resource);
request_resource(&ioport_resource, hose->io_resource);
*hose_tail = hose;
hose_tail = &hose->next;
@ -80,12 +76,6 @@ void __devinit register_pci_controller(struct pci_channel *hose)
pcibios_scanbus(hose);
mutex_unlock(&pci_scan_mutex);
}
return;
out:
printk(KERN_WARNING
"Skipping PCI bus scan due to resource conflict\n");
}
static int __init pcibios_init(void)