RE: [PATCHv2 20/25] PCI: mobiveil: add Byte and Half-Word width register accessors

[M.h. Lian]

reviewed-by: Minghuan Lian <Minghuan.Lian@xxxxxxx>

> -----Original Message-----
> From: Z.q. Hou
> Sent: Tuesday, November 20, 2018 5:28 PM
> To: linux-pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> bhelgaas@xxxxxxxxxx; robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx;
> l.subrahmanya@xxxxxxxxxxxxxx; shawnguo@xxxxxxxxxx; Leo Li
> <leoyang.li@xxxxxxx>; lorenzo.pieralisi@xxxxxxx;
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> Cc: Mingkai Hu <mingkai.hu@xxxxxxx>; M.h. Lian
> <minghuan.lian@xxxxxxx>; Xiaowei Bao <xiaowei.bao@xxxxxxx>; Z.q. Hou
> <zhiqiang.hou@xxxxxxx>
> Subject: [PATCHv2 20/25] PCI: mobiveil: add Byte and Half-Word width
> register accessors
> 
> From: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> 
> As there are some Byte and Half-Work width registers in PCIe configuration
> space, add Byte and Half-Word width register accessors.
> 
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@xxxxxxx>
> ---
> V2:
>  - no change
> 
>  .../pci/controller/mobiveil/pcie-mobiveil.h   | 20 +++++++++++++++++++
>  1 file changed, 20 insertions(+)
> 
> diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil.h
> b/drivers/pci/controller/mobiveil/pcie-mobiveil.h
> index 81685840b378..933c2f34bc52 100644
> --- a/drivers/pci/controller/mobiveil/pcie-mobiveil.h
> +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil.h
> @@ -181,9 +181,29 @@ static inline u32 csr_readl(struct mobiveil_pcie *pcie,
> u32 off)
>  	return csr_read(pcie, off, 0x4);
>  }
> 
> +static inline u32 csr_readw(struct mobiveil_pcie *pcie, u32 off) {
> +	return csr_read(pcie, off, 0x2);
> +}
> +
> +static inline u32 csr_readb(struct mobiveil_pcie *pcie, u32 off) {
> +	return csr_read(pcie, off, 0x1);
> +}
> +
>  static inline void csr_writel(struct mobiveil_pcie *pcie, u32 val, u32 off)  {
>  	csr_write(pcie, val, off, 0x4);
>  }
> 
> +static inline void csr_writew(struct mobiveil_pcie *pcie, u32 val, u32
> +off) {
> +	csr_write(pcie, val, off, 0x2);
> +}
> +
> +static inline void csr_writeb(struct mobiveil_pcie *pcie, u32 val, u32
> +off) {
> +	csr_write(pcie, val, off, 0x1);
> +}
> +
>  #endif /* _PCIE_MOBIVEIL_H */
> --
> 2.17.1