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Subject[PATCHv10 08/13] PCI: mobiveil: Add 8-bit and 16-bit CSR register accessors
Date
From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>

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@nxp.com>
Reviewed-by: Minghuan Lian <Minghuan.Lian@nxp.com>
Reviewed-by: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
---
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
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