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PCI: designware: Don't complain missing *config* reg space if va_cfg0 is set

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Currently on Keystone SoCs, we always complain:

  keystone-pcie 21021000.pcie: missing *config* reg space

Keystone uses an older version of DesignWare hardware that doesn't have
ATU support.  So va_cfg0_base and va_cfg1_base are already set up in
ks_dw_pcie_host_init() before calling dw_pcie_host_init(), and they point
to the remote config space address va (both same for Keystone).  Add a
check to avoid this boot noise on Keystone.

Signed-off-by: Murali Karicheri <m-karicheri2@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Murali Karicheri 2015-07-21 17:54:11 -04:00 committed by Bjorn Helgaas
parent bc0195aad0
commit 0f41421256
1 changed files with 1 additions and 1 deletions
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2
drivers/pci/host/pcie-designware.c
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@ -388,7 +388,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
addrp = of_get_address(np, index, NULL, NULL);
pp->cfg0_mod_base = of_read_number(addrp, ns);
pp->cfg1_mod_base = pp->cfg0_mod_base + pp->cfg0_size;
} else {
} else if (!pp->va_cfg0_base) {
dev_err(pp->dev, "missing *config* reg space\n");
}