From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CCC24140366; Thu, 11 Apr 2024 10:41:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712832115; cv=none; b=I+qKujOaNIlQfQpXEQyT3cZMR3lTxemRteprFcrLGuQzBwITByXXGsC3BDP00ostWBkE0+Mhlg3d7YxsNM2RsSUelXqG1lPvqNY0jmETdTVarDoCuTfU3VJaLVsm5pY5dhtXCRNPgUjse5J9z80sBlCNel57dgbIQsjw+W4pF60= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712832115; c=relaxed/simple; bh=bhSMqcHLpn8mg01zn0c9ocJ8XFxgggCm6tVT2UVYLM4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=XyO+Ceaa86Kh10VdAVpY6MfVs6S/zNdYJaGZ6AqFxvypuujvaSH96k5LdRbdHdnnAHdF6I+Dgx79a143zNJ40/aBQrw9oBolOUfYu3ejRA03R+QzzZBkidND4Uhou+nmdpxvmAhEovi+05ZjVV6HafHKInPCBvvdK3vDTf4GCps= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=o9WEQgjW; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="o9WEQgjW" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5105FC433F1; Thu, 11 Apr 2024 10:41:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1712832115; bh=bhSMqcHLpn8mg01zn0c9ocJ8XFxgggCm6tVT2UVYLM4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=o9WEQgjWOqYHQm6XIwg61r9Tp3hn4YIoSho89fp4617rG65aA+eFiAsrRY0/o61YI 3vQ7hnWvWcaTmNsKVkOswd6FBd8fl2GhzPJRxCTDy27q6qe3V2ZABVeK87FvjzJr0M Ia57fBmSEU/vI0ZOpx3YuK3WGzTMnVIgnTfev2N8= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Rob Clark , Douglas Anderson , Johan Hovold , Bjorn Andersson , Luiz Augusto von Dentz , Sasha Levin Subject: [PATCH 5.10 227/294] arm64: dts: qcom: sc7180-trogdor: mark bluetooth address as broken Date: Thu, 11 Apr 2024 11:56:30 +0200 Message-ID: <20240411095442.421381653@linuxfoundation.org> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240411095435.633465671@linuxfoundation.org> References: <20240411095435.633465671@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.10-stable review patch. If anyone has any objections, please let me know. ------------------ From: Johan Hovold [ Upstream commit e12e28009e584c8f8363439f6a928ec86278a106 ] Several Qualcomm Bluetooth controllers lack persistent storage for the device address and instead one can be provided by the boot firmware using the 'local-bd-address' devicetree property. The Bluetooth bindings clearly states that the address should be specified in little-endian order, but due to a long-standing bug in the Qualcomm driver which reversed the address some boot firmware has been providing the address in big-endian order instead. The boot firmware in SC7180 Trogdor Chromebooks is known to be affected so mark the 'local-bd-address' property as broken to maintain backwards compatibility with older firmware when fixing the underlying driver bug. Note that ChromeOS always updates the kernel and devicetree in lockstep so that there is no need to handle backwards compatibility with older devicetrees. Fixes: 7ec3e67307f8 ("arm64: dts: qcom: sc7180-trogdor: add initial trogdor and lazor dt") Cc: stable@vger.kernel.org # 5.10 Cc: Rob Clark Reviewed-by: Douglas Anderson Signed-off-by: Johan Hovold Acked-by: Bjorn Andersson Reviewed-by: Bjorn Andersson Signed-off-by: Luiz Augusto von Dentz Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi index 3f5883e8bf319..9ce8bfbf7ea21 100644 --- a/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi +++ b/arch/arm64/boot/dts/qcom/sc7180-trogdor.dtsi @@ -810,6 +810,8 @@ ap_spi_fp: &spi10 { vddrf-supply = <&pp1300_l2c>; vddch0-supply = <&pp3300_l10c>; max-speed = <3200000>; + + qcom,local-bd-address-broken; }; }; -- 2.43.0