From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Z.q. Hou" Subject: [PATCHv8 4/7] PCI: mobiveil: Add 8-bit and 16-bit CSR register accessors Date: Tue, 13 Aug 2019 11:04:18 +0000 Message-ID: <20190813110557.45643-5-Zhiqiang.Hou@nxp.com> References: <20190813110557.45643-1-Zhiqiang.Hou@nxp.com> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <20190813110557.45643-1-Zhiqiang.Hou@nxp.com> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: "linux-pci@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "bhelgaas@google.com" , "robh+dt@kernel.org" , "arnd@arndb.de" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , "m.karthikeyan@mobiveil.co.in" , Leo Li , "lorenzo.pieralisi@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" Cc: Mingkai Hu , "M.h. Lian" , Xiaowei Bao , "Z.q. Hou" List-Id: devicetree@vger.kernel.org From: Hou Zhiqiang There are some 8-bit and 16-bit registers in PCIe configuration space, so add these accessors accordingly. Signed-off-by: Hou Zhiqiang Reviewed-by: Minghuan Lian Reviewed-by: Subrahmanya Lingappa --- V8: - 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 4f17a9837fe9..8c07f69e0330 100644 --- a/drivers/pci/controller/mobiveil/pcie-mobiveil.h +++ b/drivers/pci/controller/mobiveil/pcie-mobiveil.h @@ -182,9 +182,29 @@ static inline u32 csr_readl(struct mobiveil_pcie *pcie= , u32 off) return csr_read(pcie, off, 0x4); } =20 +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); } =20 +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 */ --=20 2.17.1