From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bali.collaboradmins.com (bali.collaboradmins.com [148.251.105.195]) (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 4C0463F210A; Tue, 22 Sep 2026 11:46:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.251.105.195 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790077592; cv=none; b=EcjdL6H+57HRg13RqJUFDTdkefK739bowOnjIq5LkXorJcbfYfITgufvDMdQDV1G3cjbQ9VQXWy7rdP2FbnGKuYHPcNx6ekjwn0aQ4WBxN+pRzh8PoYEb7ioJN1szWa+ejAVgs44etV3jomKHIO1JX1efayf1jB5Y8afcvWdikA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790077592; c=relaxed/simple; bh=te2JAZugR4Cday7luW0127qIkQZLtCEubZxNQ0OLhgE=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=KbaC4x8YBZljJFnqgCkEbRpDz+Zt8vB08rQCou7F8aVabdABPKSP9y1d2weU/jpcyAYLfiXutIHo7n5Cea0T35wsUgJuwcA/hV9ga1XEvnTPIaMPjij1Z7hRV5zWB4j9a2cSDfn2FLGKNpO0umBy+/dTXOnXLpSP+bVws7A5xQs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=fqdtkySa; arc=none smtp.client-ip=148.251.105.195 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="fqdtkySa" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1790077589; bh=te2JAZugR4Cday7luW0127qIkQZLtCEubZxNQ0OLhgE=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=fqdtkySabCRzSaWqtTdrlKXCEer1OK37ujRXvMxkRKNIJY6rgzyDRlSBFHZdA2nh6 bgpJiRyjZOs7/w1/70BIz8HcDfZKbpLFpfSnAXR9wozZ2u3un2EtDTNxK64IovEk3m 8Q+BXqFB35o7swuZsnWwAnYWLZjJ4wEI88pVUK73209oc2sP1/t5bwVsKv+ubs8y3f 4sm69h9eNtRe0PTQTUebmx7L7TuSZW41hPDAKmfr0S8hkBNBBKlboUoT2GbGticQfz qyNk4P50MkJ4E3qF2zx1E7pSL+4tdkIJrrYPflZ/MG4pssnMNzoYbnqrJb74HbA4TI ZdfmK44fFJe1Q== Received: from [100.64.1.21] (unknown [100.64.1.21]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange x25519) (No client certificate requested) (Authenticated sender: kholk11) by bali.collaboradmins.com (Postfix) with ESMTPSA id E410017E03B6; Tue, 22 Sep 2026 13:46:28 +0200 (CEST) Message-ID: <433d8c01-ad33-45cc-82a2-0b5f2a14c2a1@collabora.com> Date: Tue, 22 Sep 2026 13:46:28 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/3] usb: mtu3: add SoC platform data for FIFO quirk handling To: rva333@protonmail.com, Chunfeng Yun , Greg Kroah-Hartman , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger Cc: linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260922-6595-mtu3-v2-0-71203a362b36@protonmail.com> <20260922-6595-mtu3-v2-2-71203a362b36@protonmail.com> From: AngeloGioacchino Del Regno Content-Language: en-US In-Reply-To: <20260922-6595-mtu3-v2-2-71203a362b36@protonmail.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 9/22/26 12:36, Roman Vivchar via B4 Relay wrote: > From: Roman Vivchar > > Some SoCs, such as mt6595, require specific quirks for the MTU3 to > function properly. > > The mt6595 IP block doesn't support multiple slots for the FIFO, > resulting FIFO wrap. > > Fix this by adding platform data with a field to handle FIFO limitation. > No functional changes for existing SoCs. > > Assisted-by: LLM (debugging) > Signed-off-by: Roman Vivchar Reviewed-by: AngeloGioacchino Del Regno