From 786c87cd312ad2ec774bc4606834b06844dada6c Mon Sep 17 00:00:00 2001 From: yu kuai Date: Mon, 20 Jan 2020 09:23:31 +0800 Subject: PNP: isapnp: remove defined but not used function 'isapnp_checksum' Fix gcc '-Wunused-function' warnning: drivers/pnp/isapnp/core.c:752:29: warning: 'isapnp_checksum' defined but not used [-Wunused-function] 752 | static unsigned char __init isapnp_checksum(unsigned char *data) Commit 04c589f35bc5 ("PNP: isapnp: remove set but not used variable 'checksum'") removes the last caller of the function. It is never used and so can be removed. Fixes: 04c589f35bc5 ("PNP: isapnp: remove set but not used variable 'checksum'") Signed-off-by: yu kuai Signed-off-by: Rafael J. Wysocki --- drivers/pnp/isapnp/core.c | 22 ---------------------- 1 file changed, 22 deletions(-) (limited to 'drivers/pnp') diff --git a/drivers/pnp/isapnp/core.c b/drivers/pnp/isapnp/core.c index e39d49bceae0..c43d8ad02529 100644 --- a/drivers/pnp/isapnp/core.c +++ b/drivers/pnp/isapnp/core.c @@ -746,28 +746,6 @@ __skip: } } -/* - * Compute ISA PnP checksum for first eight bytes. - */ -static unsigned char __init isapnp_checksum(unsigned char *data) -{ - int i, j; - unsigned char checksum = 0x6a, bit, b; - - for (i = 0; i < 8; i++) { - b = data[i]; - for (j = 0; j < 8; j++) { - bit = 0; - if (b & (1 << j)) - bit = 1; - checksum = - ((((checksum ^ (checksum >> 1)) & 0x01) ^ bit) << 7) - | (checksum >> 1); - } - } - return checksum; -} - /* * Build device list for all present ISA PnP devices. */ -- cgit v1.2.1