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Wed, 14 Oct 2026 07:32:30 -0700 (PDT) Received: from zitrone ([2a02:810d:a1:6000:62d3:e68c:3175:a538]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4a1bd068126sm3411345e9.11.2026.10.14.07.32.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Oct 2026 07:32:28 -0700 (PDT) From: Andreas Wendleder To: linux-wireless@vger.kernel.org Cc: Johannes Berg , b43-dev@lists.infradead.org, Michael Buesch , Alessio Ferri , kvalo@kernel.org, julian.calaby@gmail.com, jpeisach@ubuntu.com, linux-kernel@vger.kernel.org Subject: [PATCH wireless-next 0/2] wifi: b43: MAC filter and 64-bit DMA fixes for the BCM4360 Date: Wed, 14 Oct 2026 16:32:23 +0200 Message-ID: <20261014143225.82149-1-gonsolo@gmail.com> X-Mailer: git-send-email 2.54.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Two fixes found while bringing up a BCM4360 (MacBookAir6,1). Neither depends on the AC PHY. 1. After an interface restart nothing was received until some other change touched the filter: b43_op_start() zeroes wl->filter_flags, but mac80211 computes the change against its own cached flags. 2. The 64-bit DMA engines of the BCM4352/BCM4360 cores use bus addresses in the index and status registers. They are detected by probe, as brcmsmac does; engines that keep offsets are untouched. The rest of the BCM4360 support will follow once these land. Tested on a MacBookAir6,1 (BCM4360, core revision 42) with the whole BCM4360 support applied. Andreas Wendleder (2): wifi: b43: reprogram the MAC filter after an interface restart wifi: b43: handle 64-bit DMA engines whose index registers hold bus addresses drivers/net/wireless/broadcom/b43/b43.h | 1 + drivers/net/wireless/broadcom/b43/dma.c | 52 +++++++++++++++++++----- drivers/net/wireless/broadcom/b43/dma.h | 3 ++ drivers/net/wireless/broadcom/b43/main.c | 8 ++++++++ 4 files changed, 53 insertions(+), 11 deletions(-)