diff options
| author | Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com> | 2015-02-02 14:09:58 +0900 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-02-24 00:23:32 -0600 |
| commit | 2ea2a2734cd850d8d270022e9aaabc02a931c172 (patch) | |
| tree | 66c363e5d92a15716898762a3f9e33be86a686cf /drivers/pci/host/pcie-rcar.c | |
| parent | 1fc6aa96ead7535e0fa7458881b07cbc58a9fd89 (diff) | |
PCI: rcar: Write zeroes to reserved PCIEPARL bits
The lower 7 bits of PCIEPARL are reserved. When we write to this register,
these bits must be 0.
Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Phil Edworthy <phil.edworthy@renesas.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 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c index 8f5490f443ff..a910f795bfee 100644 --- a/drivers/pci/host/pcie-rcar.c +++ b/drivers/pci/host/pcie-rcar.c @@ -342,7 +342,8 @@ static void rcar_pcie_setup_window(int win, struct rcar_pcie *pcie) res_start = res->start; rcar_pci_write_reg(pcie, upper_32_bits(res_start), PCIEPARH(win)); - rcar_pci_write_reg(pcie, lower_32_bits(res_start), PCIEPARL(win)); + rcar_pci_write_reg(pcie, lower_32_bits(res_start) & ~0x7F, + PCIEPARL(win)); /* First resource is for IO */ mask = PAR_ENABLE; |