[PATCHv4 17/28] PCI: mobiveil: fix the checking of valid device

From: Z.q. Hou
Date: Mon Mar 11 2019 - 05:32:36 EST


From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>

Allow CFG transactions to all functions of Endpoint implemented
multiple functions.

Fixes: 9af6bcb11e12 ("PCI: mobiveil: Add Mobiveil PCIe Host
Bridge IP driver")
Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
Reviewed-by: Minghuan Lian <Minghuan.Lian@xxxxxxx>
---
V4:
- Split the link up check to the 18th patch

drivers/pci/controller/mobiveil/pcie-mobiveil-host.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
index dc5324d94466..74a14f05115e 100644
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil-host.c
@@ -37,7 +37,7 @@ static bool mobiveil_pcie_valid_device(struct pci_bus *bus, unsigned int devfn)
* Do not read more than one device on the bus directly
* attached to RC
*/
- if ((bus->primary == pcie->rp.root_bus_nr) && (devfn > 0))
+ if ((bus->primary == pcie->rp.root_bus_nr) && (PCI_SLOT(devfn) > 0))
return false;

return true;
--
2.17.1