[PATCH] PCI: mobiveil: Fix csr_read/write build issue

[Kefeng Wang <wangkefeng.wang@huawei.com>]

The riscv has csr_read/write macro, see arch/riscv/include/asm/csr.h,
the same function naming will cause build error, rename them to
__csr_read/write to fix it.

drivers/pci/controller/pcie-mobiveil.c:238:69: error: macro "csr_read" passed 3 arguments, but takes just 1
 static u32 csr_read(struct mobiveil_pcie *pcie, u32 off, size_t size)

drivers/pci/controller/pcie-mobiveil.c:253:80: error: macro "csr_write" passed 4 arguments, but takes just 2
 static void csr_write(struct mobiveil_pcie *pcie, u32 val, u32 off, size_t size)

Cc: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Minghuan Lian <Minghuan.Lian@nxp.com>
Cc: Subrahmanya Lingappa <l.subrahmanya@mobiveil.co.in>
Cc: Karthikeyan Mitran <m.karthikeyan@mobiveil.co.in>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Fixes: bcbe0d9a8d93 ("PCI: mobiveil: Unify register accessors")
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
---
 drivers/pci/controller/pcie-mobiveil.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/pci/controller/pcie-mobiveil.c b/drivers/pci/controller/pcie-mobiveil.c
index a45a6447b01d..7ba1138c3667 100644
--- a/drivers/pci/controller/pcie-mobiveil.c
+++ b/drivers/pci/controller/pcie-mobiveil.c
@@ -235,7 +235,7 @@ static int mobiveil_pcie_write(void __iomem *addr, int size, u32 val)
 	return PCIBIOS_SUCCESSFUL;
 }
 
-static u32 csr_read(struct mobiveil_pcie *pcie, u32 off, size_t size)
+static u32 __csr_read(struct mobiveil_pcie *pcie, u32 off, size_t size)
 {
 	void *addr;
 	u32 val;
@@ -250,7 +250,7 @@ static u32 csr_read(struct mobiveil_pcie *pcie, u32 off, size_t size)
 	return val;
 }
 
-static void csr_write(struct mobiveil_pcie *pcie, u32 val, u32 off, size_t size)
+static void __csr_write(struct mobiveil_pcie *pcie, u32 val, u32 off, size_t size)
 {
 	void *addr;
 	int ret;
@@ -264,12 +264,12 @@ static void csr_write(struct mobiveil_pcie *pcie, u32 val, u32 off, size_t size)
 
 static u32 csr_readl(struct mobiveil_pcie *pcie, u32 off)
 {
-	return csr_read(pcie, off, 0x4);
+	return __csr_read(pcie, off, 0x4);
 }
 
 static void csr_writel(struct mobiveil_pcie *pcie, u32 val, u32 off)
 {
-	csr_write(pcie, val, off, 0x4);
+	__csr_write(pcie, val, off, 0x4);
 }
 
 static bool mobiveil_pcie_link_up(struct mobiveil_pcie *pcie)
-- 
2.20.1