reviewed-by: Minghuan Lian <minghuan.l...@nxp.com>
> -----Original Message----- > From: Z.q. Hou > Sent: Tuesday, November 20, 2018 5:27 PM > To: linux-...@vger.kernel.org; linux-arm-ker...@lists.infradead.org; > devicet...@vger.kernel.org; linux-kernel@vger.kernel.org; > bhelg...@google.com; robh...@kernel.org; mark.rutl...@arm.com; > l.subrahma...@mobiveil.co.in; shawn...@kernel.org; Leo Li > <leoyang...@nxp.com>; lorenzo.pieral...@arm.com; > catalin.mari...@arm.com; will.dea...@arm.com > Cc: Mingkai Hu <mingkai...@nxp.com>; M.h. Lian > <minghuan.l...@nxp.com>; Xiaowei Bao <xiaowei....@nxp.com>; Z.q. Hou > <zhiqiang....@nxp.com> > Subject: [PATCHv2 14/25] PCI: mobiveil: initialize > Primary/Secondary/Subordinate bus number > > From: Hou Zhiqiang <zhiqiang....@nxp.com> > > The reset value is all zero, so set a workable value for Primary, Secondary > and Subordinate bus numbers. > > Signed-off-by: Hou Zhiqiang <zhiqiang....@nxp.com> > --- > V2: > - no change > > drivers/pci/controller/pcie-mobiveil.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/pci/controller/pcie-mobiveil.c > b/drivers/pci/controller/pcie-mobiveil.c > index db7ecb021c63..9210165fe8c0 100644 > --- a/drivers/pci/controller/pcie-mobiveil.c > +++ b/drivers/pci/controller/pcie-mobiveil.c > @@ -582,6 +582,12 @@ static int mobiveil_host_init(struct mobiveil_pcie > *pcie) > u32 value, pab_ctrl, type; > struct resource_entry *win; > > + /* setup bus numbers */ > + value = csr_readl(pcie, PCI_PRIMARY_BUS); > + value &= 0xff000000; > + value |= 0x00ff0100; > + csr_writel(pcie, value, PCI_PRIMARY_BUS); > + > /* > * program Bus Master Enable Bit in Command Register in PAB Config > * Space > -- > 2.17.1
