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Message-ID: <20220901085416.204378-1-ruanjinjie@huawei.com>
Date: Thu, 1 Sep 2022 16:54:16 +0800
From: ruanjinjie <ruanjinjie@...wei.com>
To: <mpe@...erman.id.au>, <npiggin@...il.com>,
<christophe.leroy@...roup.eu>, <joel@....id.au>,
<Julia.Lawall@...ia.fr>, <linuxppc-dev@...ts.ozlabs.org>,
<linux-kernel@...r.kernel.org>
CC: <ruanjinjie@...wei.com>
Subject: [PATCH -next] powerpc/mpic_msgr: fix cast removes address space of expression warnings
When build Linux kernel, encounter the following warnings:
./arch/powerpc/sysdev/mpic_msgr.c:230:38: warning: cast removes address space '__iomem' of expression
./arch/powerpc/sysdev/mpic_msgr.c:230:27: warning: incorrect type in assignment (different address spaces)
The data type of msgr->mer and msgr->base are 'u32 __iomem *', but
converted to 'u32 *' and 'u8 *' directly and cause above warnings, now
recover their data types to fix these warnings.
Signed-off-by: ruanjinjie <ruanjinjie@...wei.com>
---
arch/powerpc/sysdev/mpic_msgr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/sysdev/mpic_msgr.c b/arch/powerpc/sysdev/mpic_msgr.c
index 698fefaaa6dd..cbb0d24f15ba 100644
--- a/arch/powerpc/sysdev/mpic_msgr.c
+++ b/arch/powerpc/sysdev/mpic_msgr.c
@@ -227,7 +227,7 @@ static int mpic_msgr_probe(struct platform_device *dev)
reg_number = block_number * MPIC_MSGR_REGISTERS_PER_BLOCK + i;
msgr->base = msgr_block_addr + i * MPIC_MSGR_STRIDE;
- msgr->mer = (u32 *)((u8 *)msgr->base + MPIC_MSGR_MER_OFFSET);
+ msgr->mer = (u32 __iomem *)((u8 __iomem *)msgr->base + MPIC_MSGR_MER_OFFSET);
msgr->in_use = MSGR_FREE;
msgr->num = i;
raw_spin_lock_init(&msgr->lock);
--
2.25.1
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