linux-kernel - [RFC 5/5] RISC-V: define ioremap

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Message-Id: <20250206131926.91289-6-qirui.001@bytedance.com>
Date: Thu,  6 Feb 2025 21:19:26 +0800
From: Rui Qi <qirui.001@...edance.com>
To: paul.walmsley@...ive.com,
	palmer@...belt.com,
	aou@...s.berkeley.edu,
	ardb@...nel.org,
	haibo1.xu@...el.com,
	guohanjun@...wei.com,
	sunilvl@...tanamicro.com,
	samuel.holland@...ive.com,
	parri.andrea@...il.com,
	ericchancf@...gle.com
Cc: linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-efi@...r.kernel.org,
	Rui Qi <qirui.001@...edance.com>
Subject: [RFC 5/5] RISC-V: define ioremap_cache

From: Rui Qi <qirui.001@...edance.com>

Define ioremap_cache for riscv, otherwise it will
cause compile errors for bert.c and einj.c

Signed-off-by: Rui Qi <qirui.001@...edance.com>
---
 arch/riscv/include/asm/io.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/riscv/include/asm/io.h b/arch/riscv/include/asm/io.h
index 1c5c641075d2..c81d2de007bc 100644
--- a/arch/riscv/include/asm/io.h
+++ b/arch/riscv/include/asm/io.h
@@ -134,6 +134,11 @@ __io_writes_outs(outs, u64, q, __io_pbr(), __io_paw())
 #endif
 
 #include <asm-generic/io.h>
+#define ioremap_cache ioremap_cache
+static inline void __iomem *ioremap_cache(phys_addr_t addr, size_t size)
+{
+	return (__force void *)ioremap_prot(addr, size, _PAGE_KERNEL);
+}
 
 #ifdef CONFIG_MMU
 #define arch_memremap_wb(addr, size)	\
-- 
2.20.1