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| author | Herbert Xu <herbert@gondor.apana.org.au> | 2015-06-19 14:07:07 (GMT) |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-06-19 14:07:07 (GMT) |
| commit | c0b59fafe31bf91f589736be304d739b13952fdd (patch) | |
| tree | 0088a41c6b68132739294643be06734e3af67677 /drivers/xen/pci.c | |
| parent | 28bceeaaf81140d69647acd0eb7dc9312f27844a (diff) | |
| parent | bfa1ce5f38938cc9e6c7f2d1011f88eba2b9e2b2 (diff) | |
| download | linux-c0b59fafe31bf91f589736be304d739b13952fdd.tar.xz | |
Merge branch 'mvebu/drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Merge the mvebu/drivers branch of the arm-soc tree which contains
just a single patch bfa1ce5f38938cc9e6c7f2d1011f88eba2b9e2b2 ("bus:
mvebu-mbus: add mv_mbus_dram_info_nooverlap()") that happens to be
a prerequisite of the new marvell/cesa crypto driver.
Diffstat (limited to 'drivers/xen/pci.c')
| -rw-r--r-- | drivers/xen/pci.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/xen/pci.c b/drivers/xen/pci.c index 95ee430..7494dbe 100644 --- a/drivers/xen/pci.c +++ b/drivers/xen/pci.c @@ -19,6 +19,7 @@ #include <linux/pci.h> #include <linux/acpi.h> +#include <linux/pci-acpi.h> #include <xen/xen.h> #include <xen/interface/physdev.h> #include <xen/interface/xen.h> @@ -67,12 +68,22 @@ static int xen_add_device(struct device *dev) #ifdef CONFIG_ACPI handle = ACPI_HANDLE(&pci_dev->dev); - if (!handle && pci_dev->bus->bridge) - handle = ACPI_HANDLE(pci_dev->bus->bridge); #ifdef CONFIG_PCI_IOV if (!handle && pci_dev->is_virtfn) handle = ACPI_HANDLE(physfn->bus->bridge); #endif + if (!handle) { + /* + * This device was not listed in the ACPI name space at + * all. Try to get acpi handle of parent pci bus. + */ + struct pci_bus *pbus; + for (pbus = pci_dev->bus; pbus; pbus = pbus->parent) { + handle = acpi_pci_get_bridge_handle(pbus); + if (handle) + break; + } + } if (handle) { acpi_status status; |