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PCI: designware: Don't complain missing *config* reg space if va_cfg0 is set
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>
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@ -388,7 +388,7 @@ int dw_pcie_host_init(struct pcie_port *pp)
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addrp = of_get_address(np, index, NULL, NULL);
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addrp = of_get_address(np, index, NULL, NULL);
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pp->cfg0_mod_base = of_read_number(addrp, ns);
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pp->cfg0_mod_base = of_read_number(addrp, ns);
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pp->cfg1_mod_base = pp->cfg0_mod_base + pp->cfg0_size;
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pp->cfg1_mod_base = pp->cfg0_mod_base + pp->cfg0_size;
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} else {
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} else if (!pp->va_cfg0_base) {
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dev_err(pp->dev, "missing *config* reg space\n");
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dev_err(pp->dev, "missing *config* reg space\n");
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}
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}
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