redonkable/alistair23-linux
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Merge branch 'remotes/lorenzo/pci/keystone'

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- Fix link training so we can do it more than once (Yurii Monakov)

  - Fix keystone outbound window mapping (Yurii Monakov)

  - Fix error handling when DT lacks "num-viewport" (Kishon Vijay Abraham I)

* remotes/lorenzo/pci/keystone:
  PCI: keystone: Fix error handling when "num-viewport" DT property is not populated
  PCI: keystone: Fix outbound region mapping
  PCI: keystone: Fix link training retries initiation
This commit is contained in:
Bjorn Helgaas 2020-01-29 17:00:05 -06:00
parent 4c6a8fe3aa b0de922af5
commit 518fc4a3a6
1 changed files with 3 additions and 3 deletions
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6
drivers/pci/controller/dwc/pci-keystone.c
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@ -422,7 +422,7 @@ static void ks_pcie_setup_rc_app_regs(struct keystone_pcie *ks_pcie)
lower_32_bits(start) | OB_ENABLEN);
ks_pcie_app_writel(ks_pcie, OB_OFFSET_HI(i),
upper_32_bits(start));
start += OB_WIN_SIZE;
start += OB_WIN_SIZE * SZ_1M;
}
val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
@ -510,7 +510,7 @@ static void ks_pcie_stop_link(struct dw_pcie *pci)
/* Disable Link training */
val = ks_pcie_app_readl(ks_pcie, CMD_STATUS);
val &= ~LTSSM_EN_VAL;
ks_pcie_app_writel(ks_pcie, CMD_STATUS, LTSSM_EN_VAL | val);
ks_pcie_app_writel(ks_pcie, CMD_STATUS, val);
}
static int ks_pcie_start_link(struct dw_pcie *pci)
@ -1354,7 +1354,7 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
ret = of_property_read_u32(np, "num-viewport", &num_viewport);
if (ret < 0) {
dev_err(dev, "unable to read *num-viewport* property\n");
return ret;
goto err_get_sync;
}
/*