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[v3,14/16] fsi: i2cr: Replace open-coded parity calculation with parity64()

Message ID 20250306162541.2633025-15-visitorckw@gmail.com (mailing list archive)
State Not Applicable
Delegated to: Johannes Berg
Headers show
Series Introduce and use generic parity16/32/64 helper | expand

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Context Check Description
wifibot/fixes_present success Fixes tag not required for -next series
wifibot/series_format fail Series longer than 15 patches
wifibot/tree_selection success Guessed tree name to be wireless-next
wifibot/ynl success Generated files up to date; no warnings/errors; no diff in generated;
wifibot/build_32bit success Errors and warnings before: 0 this patch: 0
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wifibot/build_clang_rust success No Rust files in patch. Skipping build
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wifibot/check_selftest success No net selftest shell script
wifibot/checkpatch success total: 0 errors, 0 warnings, 0 checks, 16 lines checked
wifibot/deprecated_api success None detected
wifibot/header_inline success No static functions without inline keyword in header files
wifibot/kdoc success Errors and warnings before: 0 this patch: 0
wifibot/source_inline success Was 0 now: 0
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Commit Message

Kuan-Wei Chiu March 6, 2025, 4:25 p.m. UTC 
Refactor parity calculations to use the standard parity64() 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>
---
Changes in v3:
- Change parity ^= parity64(v) to parity != parity64(v).

 drivers/fsi/fsi-master-i2cr.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/drivers/fsi/fsi-master-i2cr.c b/drivers/fsi/fsi-master-i2cr.c
index 46511236bbca..3356c478e395 100644
--- a/drivers/fsi/fsi-master-i2cr.c
+++ b/drivers/fsi/fsi-master-i2cr.c
@@ -44,15 +44,9 @@  static bool i2cr_check_parity32(u32 v, bool parity)
 
 static bool i2cr_check_parity64(u64 v)
 {
-	u32 i;
 	bool parity = I2CR_INITIAL_PARITY;
 
-	for (i = 0; i < 64; ++i) {
-		if (v & (1llu << i))
-			parity = !parity;
-	}
-
-	return parity;
+	return parity != parity64(v);
 }
 
 static u32 i2cr_get_command(u32 address, bool parity)