change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/nds32/include/asm/io.h
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@@ -1,4 +1,4 @@
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-// SPDX-License-Identifier: GPL-2.0
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+/* SPDX-License-Identifier: GPL-2.0 */
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 // Copyright (C) 2005-2017 Andes Technology Corporation
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 #ifndef __ASM_NDS32_IO_H
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@@ -6,7 +6,6 @@
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 #include <linux/types.h>
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-extern void iounmap(volatile void __iomem *addr);
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 #define __raw_writeb __raw_writeb
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 static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
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 {
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@@ -55,8 +54,6 @@
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 #define __iormb()               rmb()
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 #define __iowmb()               wmb()
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-#define mmiowb()        __asm__ __volatile__ ("msync all" : : : "memory");
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-
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 /*
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  * {read,write}{b,w,l,q}_relaxed() are like the regular version, but
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  * are not guaranteed to provide ordering against spinlocks or memory
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@@ -81,5 +78,7 @@
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 #define writeb(v,c)	({ __iowmb(); writeb_relaxed((v),(c)); })
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 #define writew(v,c)	({ __iowmb(); writew_relaxed((v),(c)); })
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 #define writel(v,c)	({ __iowmb(); writel_relaxed((v),(c)); })
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+
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 #include <asm-generic/io.h>
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+
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 #endif /* __ASM_NDS32_IO_H */