Hi Andrew, Thanks a lot for your review! Thanks, Zhiqiang > -----Original Message----- > From: Andrew Murray <amurray@xxxxxxxxxxxxxxxxxxxx> > Sent: 2020年2月21日 1:29 > To: Z.q. Hou <zhiqiang.hou@xxxxxxx> > Cc: linux-pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; > devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > bhelgaas@xxxxxxxxxx; robh+dt@xxxxxxxxxx; andrew.murray@xxxxxxx; > arnd@xxxxxxxx; mark.rutland@xxxxxxx; l.subrahmanya@xxxxxxxxxxxxxx; > shawnguo@xxxxxxxxxx; m.karthikeyan@xxxxxxxxxxxxxx; Leo Li > <leoyang.li@xxxxxxx>; lorenzo.pieralisi@xxxxxxx; > catalin.marinas@xxxxxxx; will.deacon@xxxxxxx; Mingkai Hu > <mingkai.hu@xxxxxxx>; M.h. Lian <minghuan.lian@xxxxxxx>; Xiaowei Bao > <xiaowei.bao@xxxxxxx> > Subject: Re: [PATCHv10 08/13] PCI: mobiveil: Add 8-bit and 16-bit CSR > register accessors > > On Thu, Feb 13, 2020 at 12:06:39PM +0800, Zhiqiang Hou wrote: > > From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx> > > > > There are some 8-bit and 16-bit registers in PCIe configuration space, > > so add these accessors accordingly. > > > > Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx> > > Reviewed-by: Minghuan Lian <Minghuan.Lian@xxxxxxx> > > Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@xxxxxxxxxxxxxx> > > Reviewed-by: Andrew Murray <amurray@xxxxxxxxxxxxxxxxxxxx> > > > --- > > V10: > > - Changed the return types to reflect the size of the access. > > > > .../pci/controller/mobiveil/pcie-mobiveil.h | 23 > +++++++++++++++++++ > > 1 file changed, 23 insertions(+) > > > > diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil.h > > b/drivers/pci/controller/mobiveil/pcie-mobiveil.h > > index 623c5f0c4441..72c62b4d8f7b 100644 > > --- a/drivers/pci/controller/mobiveil/pcie-mobiveil.h > > +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil.h > > @@ -182,10 +182,33 @@ static inline u32 mobiveil_csr_readl(struct > mobiveil_pcie *pcie, u32 off) > > return mobiveil_csr_read(pcie, off, 0x4); } > > > > +static inline u16 mobiveil_csr_readw(struct mobiveil_pcie *pcie, u32 > > +off) { > > + return mobiveil_csr_read(pcie, off, 0x2); } > > + > > +static inline u8 mobiveil_csr_readb(struct mobiveil_pcie *pcie, u32 > > +off) { > > + return mobiveil_csr_read(pcie, off, 0x1); } > > + > > + > > static inline void mobiveil_csr_writel(struct mobiveil_pcie *pcie, u32 val, > > u32 off) > > { > > mobiveil_csr_write(pcie, val, off, 0x4); } > > > > +static inline void mobiveil_csr_writew(struct mobiveil_pcie *pcie, u16 val, > > + u32 off) > > +{ > > + mobiveil_csr_write(pcie, val, off, 0x2); } > > + > > +static inline void mobiveil_csr_writeb(struct mobiveil_pcie *pcie, u8 val, > > + u32 off) > > +{ > > + mobiveil_csr_write(pcie, val, off, 0x1); } > > + > > #endif /* _PCIE_MOBIVEIL_H */ > > -- > > 2.17.1 > >