Refactor parity calculations to use the standard parity8() helper. This change eliminates redundant implementations and improves code efficiency. Co-developed-by: Yu-Chun Lin <eleanor15x@xxxxxxxxx> Signed-off-by: Yu-Chun Lin <eleanor15x@xxxxxxxxx> Signed-off-by: Kuan-Wei Chiu <visitorckw@xxxxxxxxx> --- drivers/tty/serial/max3100.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/tty/serial/max3100.c b/drivers/tty/serial/max3100.c index cde5f1c86353..f5c487bdc56a 100644 --- a/drivers/tty/serial/max3100.c +++ b/drivers/tty/serial/max3100.c @@ -16,6 +16,7 @@ /* 4 MAX3100s should be enough for everyone */ #define MAX_MAX3100 4 +#include <linux/bitops.h> #include <linux/container_of.h> #include <linux/delay.h> #include <linux/device.h> @@ -133,7 +134,7 @@ static int max3100_do_parity(struct max3100_port *s, u16 c) else c &= 0xff; - parity = parity ^ (hweight8(c) & 1); + parity = parity ^ (parity8(c)); return parity; } -- 2.34.1