diff options
Diffstat (limited to 'target/linux/layerscape/patches-4.4/8115-PCI-layerscape-call-dw_pcie_setup_rc-in-host-initial.patch')
| -rw-r--r-- | target/linux/layerscape/patches-4.4/8115-PCI-layerscape-call-dw_pcie_setup_rc-in-host-initial.patch | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-4.4/8115-PCI-layerscape-call-dw_pcie_setup_rc-in-host-initial.patch b/target/linux/layerscape/patches-4.4/8115-PCI-layerscape-call-dw_pcie_setup_rc-in-host-initial.patch new file mode 100644 index 0000000..cf67e59 --- /dev/null +++ b/target/linux/layerscape/patches-4.4/8115-PCI-layerscape-call-dw_pcie_setup_rc-in-host-initial.patch @@ -0,0 +1,30 @@ +From 5d661761fd2354e4f976c83143a1bf7c1ecad766 Mon Sep 17 00:00:00 2001 +From: Yangbo Lu <yangbo.lu@nxp.com> +Date: Tue, 20 Sep 2016 16:07:10 +0800 +Subject: [PATCH 115/115] PCI: layerscape: call dw_pcie_setup_rc() in host + initialization + +A previous patch moved some Root Complex programming from +dw_pcie_host_init() to dw_pcie_setup_rc() where it belongs, +while the pci-layerscape driver didn't call dw_pcie_setup_rc() +anywhere after that. This patch is to add dw_pcie_setup_rc() +calling in layerscape host initialization to fix ls1012a pci +issue caused by that patch. + +Fixes: c49b76f3c613("PCI: designware: Move Root Complex setup + code to dw_pcie_setup_rc()") +Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com> +--- + drivers/pci/host/pci-layerscape.c | 1 + + 1 file changed, 1 insertion(+) + +--- a/drivers/pci/host/pci-layerscape.c ++++ b/drivers/pci/host/pci-layerscape.c +@@ -148,6 +148,7 @@ static void ls_pcie_host_init(struct pci + { + struct ls_pcie *pcie = to_ls_pcie(pp); + ++ dw_pcie_setup_rc(pp); + iowrite32(1, pcie->dbi + PCIE_DBI_RO_WR_EN); + ls_pcie_fix_class(pcie); + ls_pcie_clear_multifunction(pcie); |