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https://github.com/brain-hackers/linux-brain.git
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8bc3bcc93a
For files only using THIS_MODULE and/or EXPORT_SYMBOL, map them onto including export.h -- or if the file isn't even using those, then just delete the include. Fix up any implicit include dependencies that were being masked by module.h along the way. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
27 lines
599 B
C
27 lines
599 B
C
#include <linux/io.h>
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#include <linux/export.h>
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/**
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* check_signature - find BIOS signatures
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* @io_addr: mmio address to check
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* @signature: signature block
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* @length: length of signature
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*
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* Perform a signature comparison with the mmio address io_addr. This
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* address should have been obtained by ioremap.
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* Returns 1 on a match.
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*/
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int check_signature(const volatile void __iomem *io_addr,
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const unsigned char *signature, int length)
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{
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while (length--) {
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if (readb(io_addr) != *signature)
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return 0;
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io_addr++;
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signature++;
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}
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return 1;
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}
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EXPORT_SYMBOL(check_signature);
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