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OpenCloudOS-Kernel
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Merge branch 'for-linus' into pci/host-designware 

* for-linus:
  PCI: designware: Check for iATU unroll only on platforms that use ATU
This commit is contained in:
Bjorn Helgaas 2017-02-21 14:59:14 -06:00
parent 7ce7d89f48 a782b5f986
commit 656795c887
1 changed files with 5 additions and 5 deletions
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10
drivers/pci/host/pcie-designware.c
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@ -807,11 +807,6 @@ void dw_pcie_setup_rc(struct pcie_port *pp)
{
u32 val;
/* get iATU unroll support */
pp->iatu_unroll_enabled = dw_pcie_iatu_unroll_enabled(pp);
dev_dbg(pp->dev, "iATU unroll: %s\n",
pp->iatu_unroll_enabled ? "enabled" : "disabled");
/* set the number of lanes */
val = dw_pcie_readl_rc(pp, PCIE_PORT_LINK_CONTROL);
val &= ~PORT_LINK_MODE_MASK;
@ -882,6 +877,11 @@ void dw_pcie_setup_rc(struct pcie_port *pp)
* we should not program the ATU here.
*/
if (!pp->ops->rd_other_conf) {
/* get iATU unroll support */
pp->iatu_unroll_enabled = dw_pcie_iatu_unroll_enabled(pp);
dev_dbg(pp->dev, "iATU unroll: %s\n",
pp->iatu_unroll_enabled ? "enabled" : "disabled");
dw_pcie_prog_outbound_atu(pp, PCIE_ATU_REGION_INDEX0,
PCIE_ATU_TYPE_MEM, pp->mem_base,
pp->mem_bus_addr, pp->mem_size);