From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 BF883455175; Thu, 1 Oct 2026 06:09:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790834978; cv=none; b=GkN8JtsfjgPz/eerw3f4gKHlQarK2Q4A2bAaDEX92FHr6WXcqxvzoRz3ZpXCT1aA1VfIQTzQrkjNMSvMjfbs5Rr5zocgfWrg9LP+CA4CjJeaHLaT/F2y93FzURQDk6gB4LwhssEW7Ty0arvFGQXuq9ww8n1o6RTo5kElCkSBOlY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790834978; c=relaxed/simple; bh=EHKrPpDCNhv6BQzGGnriUztHQgdz/urVIgBUWbuBA6w=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=TXTkgvoBrC4U0JJWEwSqLBy8X0i9PilYCHQ1QZ86TbVgZhg98ATdp0IxVaqF3Sp85fWQOR4kz253LkEHhVeP2AM7OhwLbT6nevxxt/bki9df/8Gkdj2b+fRpbrzmqaOiwn1/MPr3q4jweNHYbuVrolrdmZ8xc8XQfvJUoYYEoxU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NZixzwri; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="NZixzwri" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D356C1F000FF; Thu, 1 Oct 2026 06:09:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790834977; bh=chw6/SdajFRbZqWoHfe7q1GxdMMrIeRtmFotLArWKGA=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=NZixzwri3NCcgArc2NjHI0EQFcS17sYKA6WzedENfwxceNqJmah7pokNpWpflqFEa dSMlHANcGFc4bK2caafpL8g0UTbK8lH0lKfwIjt5jj69jhpHOaLpJaLEJtkhSpr+ee mzq9PWRv/Z+A7wUB9mtPGzz5LdheaZBie+44KDKQt2RPFmPCX3UPTU/yJKpwRDWB/L J4qyi7OmvZWdb9spt0TU8pz8qJUzNkHpigh0rSzZsiR12Z4Q3m2zJunWxBpG5Q4nNG PUFx5BnB2qcLA9vS5h9tipag2vFD3ilAOzEsWPEd4ozhzj7xjHRGOpTy1JO99MeS+H Gr7lKRzcNp0yQ== Message-ID: <2e420fc4-e829-42ea-99c2-48e518ac59d9@kernel.org> Date: Thu, 1 Oct 2026 08:09:32 +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] serial: 8250_bcm2835aux: Add support for RTS/CTS auto flow control To: =?UTF-8?B?SmFuIMSMZXJtw6Fr?= , gregkh@linuxfoundation.org, florian.fainelli@broadcom.com, rjui@broadcom.com, sbranden@broadcom.com Cc: phil@raspberrypi.com, stefan@agner.ch, bcm-kernel-feedback-list@broadcom.com, linux-serial@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260930125620.221836-1-sairon@sairon.cz> Content-Language: en-US From: Jiri Slaby Autocrypt: addr=jirislaby@kernel.org; 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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 30. 09. 26, 14:56, Jan Čermák wrote: > --- a/drivers/tty/serial/8250/8250_bcm2835aux.c > +++ b/drivers/tty/serial/8250/8250_bcm2835aux.c ... > @@ -46,6 +59,150 @@ struct bcm2835aux_data { > u32 cntl; > }; > > +static bool bcm2835aux_tty_throttled(struct uart_port *port) > +{ > + struct tty_struct *tty; > + bool throttled; > + > + if (!port->state) > + return false; > + > + tty = tty_port_tty_get(&port->state->port); > + throttled = tty && tty_throttled(tty); > + tty_kref_put(tty); > + > + return throttled; Instead: scoped_guard(tty_port_tty, port) return tty_throttled(scoped_tty()); return false; > +} thanks, -- js suse labs