Commit 063a8964 authored by Kuan-Wei Chiu's avatar Kuan-Wei Chiu Committed by Greg Kroah-Hartman
Browse files

serial: max3100: Replace open-coded parity calculation with parity8() 



Refactor parity calculations to use the standard parity8() helper.
This change eliminates redundant implementations.

Co-developed-by: default avatarYu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: default avatarYu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: default avatarKuan-Wei Chiu <visitorckw@gmail.com>
Link: https://lore.kernel.org/r/20250515081311.775559-1-visitorckw@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 857eec46

drivers/tty/serial/max3100.c

+2 −1
Original line number Diff line number Diff line
@@ -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;

}