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authorPaul Mundt <lethal@linux-sh.org>2009-06-16 06:01:58 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-06-16 06:01:58 +0900
commit8c6b44d00aca45edf69b35220ba4dce962c482f8 (patch)
treee6d011180cf99d7541c1f12d0605025353fd81c3 /arch/sh/drivers
parent8b27fc6de184d66347e4aceeb5c0a4262732cc03 (diff)
downloadop-kernel-dev-8c6b44d00aca45edf69b35220ba4dce962c482f8.zip
op-kernel-dev-8c6b44d00aca45edf69b35220ba4dce962c482f8.tar.gz
sh: pci: Allow register_pci_controller() to handle overlapping regions.
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>
Diffstat (limited to 'arch/sh/drivers')
-rw-r--r--arch/sh/drivers/pci/pci.c14
1 files changed, 2 insertions, 12 deletions
diff --git a/arch/sh/drivers/pci/pci.c b/arch/sh/drivers/pci/pci.c
index 54d77cb..9a1c423 100644
--- a/arch/sh/drivers/pci/pci.c
+++ b/arch/sh/drivers/pci/pci.c
@@ -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)
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