| Message ID | 1413782724-30795-3-git-send-email-richard.zhu@freescale.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
Am Montag, den 20.10.2014, 13:25 +0800 schrieb Richard Zhu: > From: Richard Zhu <r65037@freescale.com> > > if va_cfg0_base/va_cfg1_base are initialized by > designware core, the pp->cfg.start is not initialized > properly, when IORESOURCE_MEM "config" is represented > as cfg space resource. > solution: assign cfg_res->start to pp->cfg.start. > > Signed-off-by: Richard Zhu <richard.zhu@freescale.com> > --- > drivers/pci/host/pcie-designware.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c > index 8d1c809..e3cd54a 100644 > --- a/drivers/pci/host/pcie-designware.c > +++ b/drivers/pci/host/pcie-designware.c > @@ -472,6 +472,7 @@ int __init dw_pcie_host_init(struct pcie_port *pp) > if (cfg_res) { > pp->config.cfg0_size = resource_size(cfg_res)/2; > pp->config.cfg1_size = resource_size(cfg_res)/2; > + pp->cfg.start = cfg_res->start; > pp->cfg0_base = cfg_res->start; > pp->cfg1_base = cfg_res->start + pp->config.cfg0_size; > I think this patch should not be needed anymore. Please look at commit ec98e9ab6f24 (PCI: designware: Fix configuration base address when using 'reg') in 3.18-rc1. I think it fixes the same bug, but in a different way. Can you confirm that this works for you? Regards, Lucas
diff --git a/drivers/pci/host/pcie-designware.c b/drivers/pci/host/pcie-designware.c index 8d1c809..e3cd54a 100644 --- a/drivers/pci/host/pcie-designware.c +++ b/drivers/pci/host/pcie-designware.c @@ -472,6 +472,7 @@ int __init dw_pcie_host_init(struct pcie_port *pp) if (cfg_res) { pp->config.cfg0_size = resource_size(cfg_res)/2; pp->config.cfg1_size = resource_size(cfg_res)/2; + pp->cfg.start = cfg_res->start; pp->cfg0_base = cfg_res->start; pp->cfg1_base = cfg_res->start + pp->config.cfg0_size;