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| author | Phil Edworthy <phil.edworthy@renesas.com> | 2015-10-02 11:25:07 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-10-30 08:23:15 -0500 |
| commit | 8c53e8ed009c68e9a1fdeaf3d36e094db7a262a6 (patch) | |
| tree | 54425f7f72ebff9ea3c3a0edf10fc7ff1262cf27 /drivers/pci/host/pcie-rcar.c | |
| parent | 42175a35534aab13016297fb48763e9f1126a0ab (diff) | |
| download | lwn-8c53e8ed009c68e9a1fdeaf3d36e094db7a262a6.tar.gz lwn-8c53e8ed009c68e9a1fdeaf3d36e094db7a262a6.zip | |
PCI: rcar: Fix I/O offset for multiple host bridges
Fix I/O offset for multiple host bridges.
Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'drivers/pci/host/pcie-rcar.c')
| -rw-r--r-- | drivers/pci/host/pcie-rcar.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c index 8e583c200f02..f4fa6c537448 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -108,6 +108,8 @@ #define RCAR_PCI_MAX_RESOURCES 4 #define MAX_NR_INBOUND_MAPS 6 +static unsigned long global_io_offset; + struct rcar_msi { DECLARE_BITMAP(used, INT_PCI_MSI_NR); struct irq_domain *domain; @@ -357,7 +359,7 @@ static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie) rcar_pci_write_reg(pcie, mask, PCIEPTCTLR(win)); } -static int rcar_pcie_setup(int nr, struct list_head *resource, struct rcar_pcie *pcie) +static int rcar_pcie_setup(struct list_head *resource, struct rcar_pcie *pcie) { struct resource *res; int i; @@ -375,7 +377,8 @@ static int rcar_pcie_setup(int nr, struct list_head *resource, struct rcar_pcie if (res->flags & IORESOURCE_IO) { phys_addr_t io_start = pci_pio_to_address(res->start); - pci_ioremap_io(nr * SZ_64K, io_start); + pci_ioremap_io(global_io_offset, io_start); + global_io_offset += SZ_64K; } pci_add_resource(resource, res); @@ -390,7 +393,7 @@ static int rcar_pcie_enable(struct rcar_pcie *pcie) struct pci_bus *bus, *child; LIST_HEAD(res); - rcar_pcie_setup(1, &res, pcie); + rcar_pcie_setup(&res, pcie); /* Do not reassign resources if probe only */ if (!pci_has_flag(PCI_PROBE_ONLY)) |