From: Murali Karicheri Date: Tue, 21 Jul 2015 21:54:11 +0000 (-0400) Subject: PCI: designware: Don't complain missing *config* reg space if va_cfg0 is set X-Git-Tag: v4.3-rc1~145^2~5^2 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0f41421256afdfcadf0ae2d8bf83ecb7ff3ac49e;p=karo-tx-linux.git 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 Signed-off-by: Bjorn Helgaas --- diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 69486be7181e..b48b8a2c50b9 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -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"); }