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[217.229.17.248]) by smtp.gmail.com with ESMTPSA id 21-v6sm93509wmv.5.2018.10.29.03.11.04 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 29 Oct 2018 03:11:04 -0700 (PDT) Date: Mon, 29 Oct 2018 11:11:03 +0100 From: Thierry Reding To: Pekka Pessi Cc: Jassi Brar , Greg Kroah-Hartman , Jiri Slaby , Mikko Perttunen , Jon Hunter , Timo Alho , Mika Liljeberg , linux-tegra@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 0/9] serial: Add Tegra Combined UART driver Message-ID: <20181029101103.GA26393@ulmo> References: <20181026111638.10759-1-thierry.reding@gmail.com> <85092b49-2b62-bd76-05a3-521415835b6e@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="OXfL5xGRrasGEqWY" Content-Disposition: inline In-Reply-To: <85092b49-2b62-bd76-05a3-521415835b6e@nvidia.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --OXfL5xGRrasGEqWY Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Oct 29, 2018 at 11:04:06AM +0200, Pekka Pessi wrote: > Hi Thierry, >=20 > What is the use case for the mailbox driver? What kind of entity will be > there consuming sent messages and sending messages to kernel? This is currently only used for the TCU. I'm sure there could be other cases, but we support none of the upstream at the moment. Are you aware of any others that we need to take into account? 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