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| author | yu kuai <yukuai3@huawei.com> | 2020-01-20 09:23:31 +0800 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-01-23 00:26:13 +0100 |
| commit | 786c87cd312ad2ec774bc4606834b06844dada6c (patch) | |
| tree | d13b7685b1e0b27cedfc3ef64cf4346cb008e87e /drivers/pnp | |
| parent | 04c589f35bc57d2f2495fc065ad2ac0ee271ce93 (diff) | |
| download | lwn-786c87cd312ad2ec774bc4606834b06844dada6c.tar.gz lwn-786c87cd312ad2ec774bc4606834b06844dada6c.zip | |
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 <yukuai3@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/pnp')
| -rw-r--r-- | drivers/pnp/isapnp/core.c | 22 |
1 files changed, 0 insertions, 22 deletions
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 @@ -747,28 +747,6 @@ __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. */ static int __init isapnp_build_device_list(void) |