From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Andrew Bresticker
<abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>,
linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Rob Herring <robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Pawel Moll <pawel.moll-5wv7dgnIgG8@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
Ian Campbell
<ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>,
Kumar Gala <galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>,
Thierry Reding
<thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Russell King <linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org>,
Peter De Schrijver
<pdeschrijver-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Prashant Gaikwad
<pgaikwad-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>,
Mike Turquette
<mturquette-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Kishon Vijay Abraham I <kishon-l0cyMroinI0@public.gmane.org>,
Greg Kroah-Hartman
<gregkh-hQyY1W1yCW8ekmWlsbkhG0B+6BGkLq7r@public.gmane.org>,
Mathias Nyman
<mathias.nyman-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Grant Likely
<grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>,
Randy Dunlap <rdunlap-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
Subject: Re: [RFC PATCH 08/10] ARM: tegra124: Bind CAR to syscon device
Date: Thu, 15 May 2014 13:25:02 -0600 [thread overview]
Message-ID: <5375148E.6040905@wwwdotorg.org> (raw)
In-Reply-To: <1400113986-339-9-git-send-email-abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
On 05/14/2014 06:33 PM, Andrew Bresticker wrote:
> The XUSB PHY driver will be accessing the CAR registers through the
> syscon interface.
I very strongly don't want to use the syscon concept on Tegra. Instead,
I want only the CAR driver touching the CAR registers. If other drivers
need some CAR registers manipulated, that should happen by that other
driver calling some explicit semantic API in the CAR driver to do so.
Take a look at how the Tegra SMMU and Tegra AHB driver communicate for
an example.
WARNING: multiple messages have this Message-ID (diff)
From: swarren@wwwdotorg.org (Stephen Warren)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 08/10] ARM: tegra124: Bind CAR to syscon device
Date: Thu, 15 May 2014 13:25:02 -0600 [thread overview]
Message-ID: <5375148E.6040905@wwwdotorg.org> (raw)
In-Reply-To: <1400113986-339-9-git-send-email-abrestic@chromium.org>
On 05/14/2014 06:33 PM, Andrew Bresticker wrote:
> The XUSB PHY driver will be accessing the CAR registers through the
> syscon interface.
I very strongly don't want to use the syscon concept on Tegra. Instead,
I want only the CAR driver touching the CAR registers. If other drivers
need some CAR registers manipulated, that should happen by that other
driver calling some explicit semantic API in the CAR driver to do so.
Take a look at how the Tegra SMMU and Tegra AHB driver communicate for
an example.
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Warren <swarren@wwwdotorg.org>
To: Andrew Bresticker <abrestic@chromium.org>, linux-tegra@vger.kernel.org
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org,
Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Thierry Reding <thierry.reding@gmail.com>,
Russell King <linux@arm.linux.org.uk>,
Peter De Schrijver <pdeschrijver@nvidia.com>,
Prashant Gaikwad <pgaikwad@nvidia.com>,
Mike Turquette <mturquette@linaro.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mathias Nyman <mathias.nyman@intel.com>,
Grant Likely <grant.likely@linaro.org>,
Randy Dunlap <rdunlap@infradead.org>
Subject: Re: [RFC PATCH 08/10] ARM: tegra124: Bind CAR to syscon device
Date: Thu, 15 May 2014 13:25:02 -0600 [thread overview]
Message-ID: <5375148E.6040905@wwwdotorg.org> (raw)
In-Reply-To: <1400113986-339-9-git-send-email-abrestic@chromium.org>
On 05/14/2014 06:33 PM, Andrew Bresticker wrote:
> The XUSB PHY driver will be accessing the CAR registers through the
> syscon interface.
I very strongly don't want to use the syscon concept on Tegra. Instead,
I want only the CAR driver touching the CAR registers. If other drivers
need some CAR registers manipulated, that should happen by that other
driver calling some explicit semantic API in the CAR driver to do so.
Take a look at how the Tegra SMMU and Tegra AHB driver communicate for
an example.
next prev parent reply other threads:[~2014-05-15 19:25 UTC|newest]
Thread overview: 74+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-15 0:32 [RFC PATCH 00/10] Tegra XHCI support Andrew Bresticker
2014-05-15 0:32 ` Andrew Bresticker
2014-05-15 0:32 ` Andrew Bresticker
2014-05-15 0:32 ` [RFC PATCH 01/10] clk: tegra: Enable hardware control of PLLE Andrew Bresticker
2014-05-15 0:32 ` Andrew Bresticker
2014-05-15 0:32 ` [RFC PATCH 02/10] clk: tegra: Fix xusb_fs_src mux Andrew Bresticker
2014-05-15 0:32 ` Andrew Bresticker
2014-05-15 0:32 ` Andrew Bresticker
2014-05-15 0:32 ` [RFC PATCH 03/10] clk: tegra: Fix xusb_hs_src clock hierarchy Andrew Bresticker
2014-05-15 0:32 ` Andrew Bresticker
2014-05-15 0:32 ` Andrew Bresticker
2014-05-15 0:33 ` [RFC PATCH 04/10] clk: tegra: Initialize xusb clocks Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
[not found] ` <1400113986-339-5-git-send-email-abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2014-05-15 19:22 ` Stephen Warren
2014-05-15 19:22 ` Stephen Warren
2014-05-15 19:22 ` Stephen Warren
[not found] ` <537513D8.7060203-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-05-20 15:41 ` Peter De Schrijver
2014-05-20 15:41 ` Peter De Schrijver
2014-05-20 15:41 ` Peter De Schrijver
2014-05-15 0:33 ` [RFC PATCH 05/10] ARM: tegra: Export function to read USB calibration data Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 20:39 ` Stephen Warren
2014-05-15 20:39 ` Stephen Warren
2014-05-15 0:33 ` [RFC PATCH 07/10] phy: Add Tegra XUSB PHY driver Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
[not found] ` <1400113986-339-1-git-send-email-abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2014-05-15 0:33 ` [RFC PATCH 06/10] usb: xhci: Add Tegra XHCI host-controller driver Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
[not found] ` <1400113986-339-7-git-send-email-abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2014-05-15 8:17 ` Arnd Bergmann
2014-05-15 8:17 ` Arnd Bergmann
2014-05-15 8:17 ` Arnd Bergmann
2014-05-15 9:19 ` Thierry Reding
2014-05-15 9:19 ` Thierry Reding
2014-05-15 9:19 ` Thierry Reding
2014-05-15 13:30 ` Arnd Bergmann
2014-05-15 13:30 ` Arnd Bergmann
2014-05-15 13:30 ` Arnd Bergmann
2014-05-15 20:18 ` Andrew Bresticker
2014-05-15 20:18 ` Andrew Bresticker
2014-05-15 20:18 ` Andrew Bresticker
[not found] ` <CAL1qeaHm7U2NVDeVZS-Tiz5ntkk4c13RR_1ws9MTYGGoGCOB5A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-05-15 21:16 ` Alan Stern
2014-05-15 21:16 ` Alan Stern
2014-05-15 21:16 ` Alan Stern
2014-05-15 21:18 ` Thierry Reding
2014-05-15 21:18 ` Thierry Reding
2014-05-15 21:18 ` Thierry Reding
2014-05-16 16:52 ` Andrew Bresticker
2014-05-16 16:52 ` Andrew Bresticker
2014-05-16 16:52 ` Andrew Bresticker
2014-05-15 0:33 ` [RFC PATCH 08/10] ARM: tegra124: Bind CAR to syscon device Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
[not found] ` <1400113986-339-9-git-send-email-abrestic-F7+t8E8rja9g9hUCZPvPmw@public.gmane.org>
2014-05-15 19:25 ` Stephen Warren [this message]
2014-05-15 19:25 ` Stephen Warren
2014-05-15 19:25 ` Stephen Warren
[not found] ` <5375148E.6040905-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-05-15 20:22 ` Andrew Bresticker
2014-05-15 20:22 ` Andrew Bresticker
2014-05-15 20:22 ` Andrew Bresticker
2014-05-15 0:33 ` [RFC PATCH 09/10] ARM: tegra124: Add XHCI controller and PHY Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 0:33 ` [RFC PATCH 10/10] ARM: tegra124: Enable XHCI on Venice2 Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 0:33 ` Andrew Bresticker
2014-05-15 19:33 ` [RFC PATCH 00/10] Tegra XHCI support Stephen Warren
2014-05-15 19:33 ` Stephen Warren
2014-05-15 19:33 ` Stephen Warren
[not found] ` <5375169F.3060809-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2014-05-15 20:44 ` Andrew Bresticker
2014-05-15 20:44 ` Andrew Bresticker
2014-05-15 20:44 ` Andrew Bresticker
2014-05-19 13:38 ` Tuomas Tynkkynen
[not found] ` <537A0949.1050509-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2014-05-19 18:30 ` Andrew Bresticker
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