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NAME

       check_signature - find BIOS signatures

SYNOPSIS

       int check_signature  (volatile void __iomem * io_addr,
                              const unsigned char * signature, int length);

ARGUMENTS

       io_addr
              mmio address to check

       signature
              signature block

       length length of signature

DESCRIPTION

       Perform a signature comparison with  the  mmio  address  io_addr.  This
       address should have been obtained by ioremap. Returns 1 on a match.

AUTHORS

       Matthew Wilcox <matthew@wil.cx>, Alan Cox <alan@redhat.com>.