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2021-05-07lib: crc8: pointer to data block should be constRichard Fitzgerald1-1/+1
crc8() does not change the data passed to it, so the pointer argument should be declared const. This avoids callers that receive const data having to cast it to a non-const pointer to call crc8(). Link: https://lkml.kernel.org/r/20210329122409.3291-1-rf@opensource.cirrus.com Signed-off-by: Richard Fitzgerald <rf@opensource.cirrus.com> Acked-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-06-03lib: crc8: add new library module providing crc8 algorithmArend van Spriel1-0/+101
The brcm80211 driver in staging tree uses a crc8 function. Based on feedback from John Linville to move this to lib directory, the linux source has been searched. Although there is currently only one other kernel driver using this algorithm (ie. drivers/ssb) we are providing this as a library function for others to use. Cc: linux-kernel@vger.kernel.org Cc: linux-wireless@vger.kernel.org Cc: Dan Carpenter <error27@gmail.com> Cc: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@xenotime.net> Reviewed-by: Henry Ptasinski <henryp@broadcom.com> Reviewed-by: Roland Vossen <rvossen@broadcom.com> Reviewed-by: "Franky (Zhenhui) Lin" <frankyl@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>