diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2015-10-03 21:13:38 +0300 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-10-09 19:23:37 +0300 |
| commit | d1a082cc2512f4ddaff5e1f35bc831773c08a7fe (patch) | |
| tree | b567ba7a233387d5fa10d5f8e32773cecca6a84c /drivers/pci/host | |
| parent | dc0352ab0b2a0c0c4fd11be89b83f4c693a8f662 (diff) | |
| download | linux-d1a082cc2512f4ddaff5e1f35bc831773c08a7fe.tar.xz | |
PCI: mvebu: Remove code restricting accesses to slot 0
Now that we advertise a PCIe capability, the Linux PCI layer will not scan
the bus for devices other than in slot 0. This makes the work-around to
trap accesses to devices other than slot 0 unnecessary.
Tested-by: Willy Tarreau <w@1wt.eu> (Iomega iConnect Kirkwood, MiraBox Armada 370)
Tested-by: Andrew Lunn <andrew@lunn.ch> (D-Link DIR664 Kirkwood)
Tested-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> (Armada XP GP)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Diffstat (limited to 'drivers/pci/host')
| -rw-r--r-- | drivers/pci/host/pci-mvebu.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/drivers/pci/host/pci-mvebu.c b/drivers/pci/host/pci-mvebu.c index 6310f2a84cfd..53b79c5f0559 100644 --- a/drivers/pci/host/pci-mvebu.c +++ b/drivers/pci/host/pci-mvebu.c @@ -794,17 +794,6 @@ static int mvebu_pcie_wr_conf(struct pci_bus *bus, u32 devfn, if (!mvebu_pcie_link_up(port)) return PCIBIOS_DEVICE_NOT_FOUND; - /* - * On the secondary bus, we don't want to expose any other - * device than the device physically connected in the PCIe - * slot, visible in slot 0. In slot 1, there's a special - * Marvell device that only makes sense when the Armada is - * used as a PCIe endpoint. - */ - if (bus->number == port->bridge.secondary_bus && - PCI_SLOT(devfn) != 0) - return PCIBIOS_DEVICE_NOT_FOUND; - /* Access the real PCIe interface */ ret = mvebu_pcie_hw_wr_conf(port, bus, devfn, where, size, val); @@ -835,19 +824,6 @@ static int mvebu_pcie_rd_conf(struct pci_bus *bus, u32 devfn, int where, return PCIBIOS_DEVICE_NOT_FOUND; } - /* - * On the secondary bus, we don't want to expose any other - * device than the device physically connected in the PCIe - * slot, visible in slot 0. In slot 1, there's a special - * Marvell device that only makes sense when the Armada is - * used as a PCIe endpoint. - */ - if (bus->number == port->bridge.secondary_bus && - PCI_SLOT(devfn) != 0) { - *val = 0xffffffff; - return PCIBIOS_DEVICE_NOT_FOUND; - } - /* Access the real PCIe interface */ ret = mvebu_pcie_hw_rd_conf(port, bus, devfn, where, size, val); |