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Merge branch 'stable/platform-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen 

* 'stable/platform-pci-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen:
  xen-platform: Fix compile errors if CONFIG_PCI is not enabled.
  xen: rename platform-pci module to xen-platform-pci.
  xen-platform: use PCI interfaces to request IO and MEM resources.
This commit is contained in:
Linus Torvalds 2011-01-13 18:44:52 -08:00
parent 50de1dd967 e528db5b39
commit 2c0076d8c7
3 changed files with 10 additions and 16 deletions
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2
drivers/xen/Kconfig
View File

@ -75,7 +75,7 @@ config XEN_XENBUS_FRONTEND
config XEN_PLATFORM_PCI
tristate "xen platform pci device driver"
depends on XEN_PVHVM
depends on XEN_PVHVM && PCI
default m
help
Driver for the Xen PCI Platform device: it is responsible for

3
drivers/xen/Makefile
View File

@ -11,9 +11,10 @@ obj-$(CONFIG_XEN_BALLOON) += balloon.o
obj-$(CONFIG_XEN_DEV_EVTCHN) += xen-evtchn.o
obj-$(CONFIG_XENFS) += xenfs/
obj-$(CONFIG_XEN_SYS_HYPERVISOR) += sys-hypervisor.o
obj-$(CONFIG_XEN_PLATFORM_PCI) += platform-pci.o
obj-$(CONFIG_XEN_PLATFORM_PCI) += xen-platform-pci.o
obj-$(CONFIG_SWIOTLB_XEN) += swiotlb-xen.o
obj-$(CONFIG_XEN_DOM0) += pci.o
xen-evtchn-y := evtchn.o
xen-platform-pci-y := platform-pci.o

21
drivers/xen/platform-pci.c
View File

@ -105,7 +105,7 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
const struct pci_device_id *ent)
{
int i, ret;
long ioaddr, iolen;
long ioaddr;
long mmio_addr, mmio_len;
unsigned int max_nr_gframes;
@ -114,7 +114,6 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
return i;
ioaddr = pci_resource_start(pdev, 0);
iolen = pci_resource_len(pdev, 0);
mmio_addr = pci_resource_start(pdev, 1);
mmio_len = pci_resource_len(pdev, 1);
@ -125,19 +124,13 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
goto pci_out;
}
if (request_mem_region(mmio_addr, mmio_len, DRV_NAME) == NULL) {
dev_err(&pdev->dev, "MEM I/O resource 0x%lx @ 0x%lx busy\n",
mmio_addr, mmio_len);
ret = -EBUSY;
ret = pci_request_region(pdev, 1, DRV_NAME);
if (ret < 0)
goto pci_out;
}
if (request_region(ioaddr, iolen, DRV_NAME) == NULL) {
dev_err(&pdev->dev, "I/O resource 0x%lx @ 0x%lx busy\n",
iolen, ioaddr);
ret = -EBUSY;
ret = pci_request_region(pdev, 0, DRV_NAME);
if (ret < 0)
goto mem_out;
}
platform_mmio = mmio_addr;
platform_mmiolen = mmio_len;
@ -169,9 +162,9 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
return 0;
out:
release_region(ioaddr, iolen);
pci_release_region(pdev, 0);
mem_out:
release_mem_region(mmio_addr, mmio_len);
pci_release_region(pdev, 1);
pci_out:
pci_disable_device(pdev);
return ret;