diff mbox series

[14/17] fsi: i2cr: Replace open-coded parity calculation with parity32()

Message ID 20250223164217.2139331-15-visitorckw@gmail.com (mailing list archive)
State New
Headers show
Series Introduce and use generic parity32/64 helper | expand

Checks

Context Check Description
netdev/series_format fail Series longer than 15 patches
netdev/tree_selection success Guessed tree name to be net-next
netdev/ynl success Generated files up to date; no warnings/errors; no diff in generated;
netdev/fixes_present success Fixes tag not required for -next series
netdev/header_inline success No static functions without inline keyword in header files
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/build_tools success No tools touched, skip
netdev/cc_maintainers success CCed 6 of 6 maintainers
netdev/build_clang success Errors and warnings before: 0 this patch: 0
netdev/verify_signedoff success Signed-off-by tag matches author and committer
netdev/deprecated_api success None detected
netdev/check_selftest success No net selftest shell script
netdev/verify_fixes success No Fixes tag
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 22 lines checked
netdev/build_clang_rust success No Rust files in patch. Skipping build
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/source_inline success Was 0 now: 0

Commit Message

Kuan-Wei Chiu Feb. 23, 2025, 4:42 p.m. UTC 
Refactor parity calculations to use the standard parity32() helper.
This change eliminates redundant implementations and improves code
efficiency.

Co-developed-by: Yu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: Yu-Chun Lin <eleanor15x@gmail.com>
Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com>
---
 drivers/fsi/fsi-master-i2cr.c | 10 ++--------
 1 file changed, 2 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/drivers/fsi/fsi-master-i2cr.c b/drivers/fsi/fsi-master-i2cr.c
index 40f1f4d231e5..8212b99ab2f9 100644
--- a/drivers/fsi/fsi-master-i2cr.c
+++ b/drivers/fsi/fsi-master-i2cr.c
@@ -1,6 +1,7 @@ 
 // SPDX-License-Identifier: GPL-2.0
 /* Copyright (C) IBM Corporation 2023 */
 
+#include <linux/bitops.h>
 #include <linux/device.h>
 #include <linux/fsi.h>
 #include <linux/i2c.h>
@@ -38,14 +39,7 @@  static const u8 i2cr_cfam[] = {
 
 static bool i2cr_check_parity32(u32 v, bool parity)
 {
-	u32 i;
-
-	for (i = 0; i < 32; ++i) {
-		if (v & (1u << i))
-			parity = !parity;
-	}
-
-	return parity;
+	return parity ^ parity32(v);
 }
 
 static bool i2cr_check_parity64(u64 v)