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Message-Id: <20200317145125.3682-1-Zhiqiang.Hou@nxp.com>
Date:   Tue, 17 Mar 2020 22:51:25 +0800
From:   Zhiqiang Hou <Zhiqiang.Hou@....com>
To:     linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org,
        lorenzo.pieralisi@....com, amurray@...goodpenguin.co.uk,
        bhelgaas@...gle.com
Cc:     Hou Zhiqiang <Zhiqiang.Hou@....com>
Subject: [PATCH] PCI: mobiveil: fix different address space warnings of sparse

From: Hou Zhiqiang <Zhiqiang.Hou@....com>

Fix the sparse warnings below:

drivers/pci/controller/mobiveil/pcie-mobiveil.c:44:49: warning: incorrect type in return expression (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:44:49:    expected void *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:44:49:    got void [noderef] <asn:2> *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:48:41: warning: incorrect type in return expression (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:48:41:    expected void *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:48:41:    got void [noderef] <asn:2> *
drivers/pci/controller/mobiveil/pcie-mobiveil.c:106:34: warning: incorrect type in argument 1 (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:106:34:    expected void [noderef] <asn:2> *addr
drivers/pci/controller/mobiveil/pcie-mobiveil.c:106:34:    got void *[assigned] addr
drivers/pci/controller/mobiveil/pcie-mobiveil.c:121:35: warning: incorrect type in argument 1 (different address spaces)
drivers/pci/controller/mobiveil/pcie-mobiveil.c:121:35:    expected void [noderef] <asn:2> *addr
drivers/pci/controller/mobiveil/pcie-mobiveil.c:121:35:    got void *[assigned] addr

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@....com>
Reported-by: kbuild test robot <lkp@...el.com>
---
 drivers/pci/controller/mobiveil/pcie-mobiveil.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/controller/mobiveil/pcie-mobiveil.c b/drivers/pci/controller/mobiveil/pcie-mobiveil.c
index 23ab904989ea..62ecbaeb0a60 100644
--- a/drivers/pci/controller/mobiveil/pcie-mobiveil.c
+++ b/drivers/pci/controller/mobiveil/pcie-mobiveil.c
@@ -36,7 +36,8 @@ static void mobiveil_pcie_sel_page(struct mobiveil_pcie *pcie, u8 pg_idx)
 	writel(val, pcie->csr_axi_slave_base + PAB_CTRL);
 }
 
-static void *mobiveil_pcie_comp_addr(struct mobiveil_pcie *pcie, u32 off)
+static void __iomem *mobiveil_pcie_comp_addr(struct mobiveil_pcie *pcie,
+					     u32 off)
 {
 	if (off < PAGED_ADDR_BNDRY) {
 		/* For directly accessed registers, clear the pg_sel field */
@@ -97,7 +98,7 @@ static int mobiveil_pcie_write(void __iomem *addr, int size, u32 val)
 
 u32 mobiveil_csr_read(struct mobiveil_pcie *pcie, u32 off, size_t size)
 {
-	void *addr;
+	void __iomem *addr;
 	u32 val;
 	int ret;
 
@@ -113,7 +114,7 @@ u32 mobiveil_csr_read(struct mobiveil_pcie *pcie, u32 off, size_t size)
 void mobiveil_csr_write(struct mobiveil_pcie *pcie, u32 val, u32 off,
 			       size_t size)
 {
-	void *addr;
+	void __iomem *addr;
 	int ret;
 
 	addr = mobiveil_pcie_comp_addr(pcie, off);
-- 
2.17.1

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