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Hou" 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" , "mark.rutland@arm.com" , "l.subrahmanya@mobiveil.co.in" , "shawnguo@kernel.org" , Leo Li , "lorenzo.pieralisi@arm.com" , "catalin.marinas@arm.com" , "will.deacon@arm.com" Subject: [PATCHv2 20/25] PCI: mobiveil: add Byte and Half-Word width register accessors Thread-Topic: [PATCHv2 20/25] PCI: mobiveil: add Byte and Half-Word width register accessors Thread-Index: AQHUgLNHzqe5uulTrkKuclVdC+mE8w== Date: Tue, 20 Nov 2018 09:27:39 +0000 Message-ID: <20181120092615.11680-21-Zhiqiang.Hou@nxp.com> References: <20181120092615.11680-1-Zhiqiang.Hou@nxp.com> In-Reply-To: <20181120092615.11680-1-Zhiqiang.Hou@nxp.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HK2PR03CA0050.apcprd03.prod.outlook.com (2603:1096:202:17::20) To AM6PR04MB5781.eurprd04.prod.outlook.com (2603:10a6:20b:aa::16) authentication-results: spf=none (sender IP is ) smtp.mailfrom=zhiqiang.hou@nxp.com; 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Lian" , "Z.q. Hou" , Xiaowei Bao , Mingkai Hu Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Hou Zhiqiang 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 --- 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 */