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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 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 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261014_073232_975272_A4784D17 X-CRM114-Status: UNSURE ( 8.97 ) X-CRM114-Notice: Please train this message. X-BeenThere: b43-dev@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: b43/b43legacy Linux driver discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: julian.calaby@gmail.com, kvalo@kernel.org, linux-kernel@vger.kernel.org, b43-dev@lists.infradead.org, Michael Buesch , Johannes Berg Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "b43-dev" Errors-To: b43-dev-bounces+b43-dev=archiver.kernel.org@lists.infradead.org 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(-) _______________________________________________ b43-dev mailing list b43-dev@lists.infradead.org http://lists.infradead.org/mailman/listinfo/b43-dev