[PATCH] wifi: mt76: connac3: use __le32 for mt7925_regd_rule fields

JB Tsai jb.tsai at mediatek.com
Fri Jul 24 01:51:44 PDT 2026


From: Charlie-cy Wu <Charlie-cy.Wu at mediatek.com>

The mt7925_regd_rule structure is parsed directly from the firmware
regulatory event, whose fields are little-endian. Declaring start_freq,
end_freq, max_bw, eirp and flags as u32 misrepresents this wire format
and triggers sparse endianness warnings on big-endian aware builds.

Change these fields to __le32 to reflect the firmware byte order.

Fixes: 4ce639ea518f ("wifi: mt76: mt7925: add regulatory wiphy self manager support")
Signed-off-by: Charlie-cy Wu <Charlie-cy.Wu at mediatek.com>
---
 drivers/net/wireless/mediatek/mt76/mt7925/regd.h | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7925/regd.h b/drivers/net/wireless/mediatek/mt76/mt7925/regd.h
index 2feacf42dc22..373992558974 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7925/regd.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7925/regd.h
@@ -13,11 +13,11 @@ struct mt7925_regd_rule_header {
 };
 
 struct mt7925_regd_rule {
-	u32 start_freq;
-	u32 end_freq;
-	u32 max_bw;
-	u32 eirp;
-	u32 flags;
+	__le32 start_freq;
+	__le32 end_freq;
+	__le32 max_bw;
+	__le32 eirp;
+	__le32 flags;
 	u8 rsv[12];
 };
 
-- 
2.18.0




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