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ARM: 6275/1: ux500: don't use writeb() in uncompress.h
Don't use writeb() in uncompress.h, to avoid the following build errors when the "Add barriers to the I/O accessors" series is applied. Use __raw_writeb() instead. arch/arm/boot/compressed/misc.o: In function `putc': arch/arm/mach-ux500/include/mach/uncompress.h:41: undefined reference to `outer_cache' Acked-by: Linus Walleij <linus.walleij@stericsson.com> Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1 changed files with 5 additions and 5 deletions
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@ -30,22 +30,22 @@
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static void putc(const char c)
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{
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/* Do nothing if the UART is not enabled. */
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if (!(readb(U8500_UART_CR) & 0x1))
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if (!(__raw_readb(U8500_UART_CR) & 0x1))
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return;
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if (c == '\n')
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putc('\r');
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while (readb(U8500_UART_FR) & (1 << 5))
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while (__raw_readb(U8500_UART_FR) & (1 << 5))
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barrier();
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writeb(c, U8500_UART_DR);
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__raw_writeb(c, U8500_UART_DR);
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}
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static void flush(void)
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{
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if (!(readb(U8500_UART_CR) & 0x1))
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if (!(__raw_readb(U8500_UART_CR) & 0x1))
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return;
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while (readb(U8500_UART_FR) & (1 << 3))
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while (__raw_readb(U8500_UART_FR) & (1 << 3))
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barrier();
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}
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