linux-kernel - [PATCH 2/4] csky: apply page shift to PFN instead of VA in pfn_to

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Date: Wed, 31 Jan 2024 13:59:04 +0800
From: Yan Zhao <yan.y.zhao@...el.com>
To: arnd@...db.de,
	linus.walleij@...aro.org,
	guoren@...nel.org,
	bcain@...cinc.com,
	jonas@...thpole.se,
	stefan.kristiansson@...nalahti.fi,
	shorne@...il.com
Cc: linux-arch@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-csky@...r.kernel.org,
	linux-hexagon@...r.kernel.org,
	linux-openrisc@...r.kernel.org,
	Yan Zhao <yan.y.zhao@...el.com>
Subject: [PATCH 2/4] csky: apply page shift to PFN instead of VA in pfn_to_virt

Apply the page shift to PFN to get physical address for final VA.
The macro __va should take physical address instead of PFN as input.

Fixes: c1884e1e1164 ("csky: Make pfn accessors static inlines")
Signed-off-by: Yan Zhao <yan.y.zhao@...el.com>
---
 arch/csky/include/asm/page.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/csky/include/asm/page.h b/arch/csky/include/asm/page.h
index 4a0502e324a6..2c4cc7825a7b 100644
--- a/arch/csky/include/asm/page.h
+++ b/arch/csky/include/asm/page.h
@@ -84,7 +84,7 @@ static inline unsigned long virt_to_pfn(const void *kaddr)
 
 static inline void * pfn_to_virt(unsigned long pfn)
 {
-	return (void *)((unsigned long)__va(pfn) << PAGE_SHIFT);
+	return __va(pfn << PAGE_SHIFT);
 }
 
 #define MAP_NR(x)	PFN_DOWN((unsigned long)(x) - PAGE_OFFSET - \
-- 
2.17.1