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authorVaibhav Jain <vaibhav@linux.vnet.ibm.com>2016-02-29 08:40:53 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2016-03-09 15:40:03 +0300
commit17eb3eef19f2c0541a7f04ad37c4a7fec89f0822 (patch)
tree46bd579b3d7fd63d3d8b7e19814952b04ae82ac9 /drivers/misc/cxl/vphb.c
parent0d3a13fbf1d1f3323d04499a727c17c80d156168 (diff)
downloadlinux-17eb3eef19f2c0541a7f04ad37c4a7fec89f0822.tar.xz
cxl: Ignore probes for virtual afu pci devices
Add a check at the beginning of cxl_probe function to ignore virtual pci devices created for each afu registered. This fixes the the errors messages logged about missing CXL vsec, when cxl probe is unable to find necessary vsec entries in device pci config space. The error message logged are of the form : cxl-pci 0004:00:00.0: ABORTING: CXL VSEC not found! cxl-pci 0004:00:00.0: cxl_init_adapter failed: -19 Cc: Ian Munsie <imunsie@au1.ibm.com> Cc: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Signed-off-by: Vaibhav Jain <vaibhav@linux.vnet.ibm.com> Reviewed-by: fbarrat@linux.vnet.ibm.com Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Acked-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc/cxl/vphb.c')
-rw-r--r--drivers/misc/cxl/vphb.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/misc/cxl/vphb.c b/drivers/misc/cxl/vphb.c
index 490b93486451..cdc7723b845d 100644
--- a/drivers/misc/cxl/vphb.c
+++ b/drivers/misc/cxl/vphb.c
@@ -272,6 +272,15 @@ void cxl_pci_vphb_remove(struct cxl_afu *afu)
pcibios_free_controller(phb);
}
+bool cxl_pci_is_vphb_device(struct pci_dev *dev)
+{
+ struct pci_controller *phb;
+
+ phb = pci_bus_to_host(dev->bus);
+
+ return (phb->ops == &cxl_pcie_pci_ops);
+}
+
struct cxl_afu *cxl_pci_to_afu(struct pci_dev *dev)
{
struct pci_controller *phb;