diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-13 14:52:03 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-12-13 14:52:03 -0800 |
| commit | 1d76c0792a0a12529b4d7b052d511dff9cc1b273 (patch) | |
| tree | e0363b929e22eb87c485c84e078b212d0ff9c31d /drivers | |
| parent | 3b2ee614cb4accb75080f00586bd762b0eab219c (diff) | |
| parent | ca01e7987463e8675f223c366e262e82f633481a (diff) | |
Merge tag 'pci-v5.5-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci
Pull PCI fix from Bjorn Helgaas:
"Fix rockchip outbound ATU issue that prevented Google Kevin
Chromebooks from booting (Enric Balletbo i Serra)"
* tag 'pci-v5.5-fixes-1' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci:
PCI: rockchip: Fix IO outbound ATU register number
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/pci/controller/pcie-rockchip-host.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/pci/controller/pcie-rockchip-host.c b/drivers/pci/controller/pcie-rockchip-host.c index d9b63bfa5dd7..94af6f5828a3 100644 --- a/drivers/pci/controller/pcie-rockchip-host.c +++ b/drivers/pci/controller/pcie-rockchip-host.c @@ -834,10 +834,12 @@ static int rockchip_pcie_cfg_atu(struct rockchip_pcie *rockchip) if (!entry) return -ENODEV; + /* store the register number offset to program RC io outbound ATU */ + offset = size >> 20; + size = resource_size(entry->res); pci_addr = entry->res->start - entry->offset; - offset = size >> 20; for (reg_no = 0; reg_no < (size >> 20); reg_no++) { err = rockchip_pcie_prog_ob_atu(rockchip, reg_no + 1 + offset, |