From: Stephen Warren <swarren@wwwdotorg.org>
To: Andrew Bresticker <abrestic@chromium.org>,
devicetree@vger.kernel.org, linux-doc@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, linux-usb@vger.kernel.org
Cc: 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>,
Randy Dunlap <rdunlap@infradead.org>,
Thierry Reding <thierry.reding@gmail.com>,
Russell King <linux@arm.linux.org.uk>,
Linus Walleij <linus.walleij@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mathias Nyman <mathias.nyman@intel.com>,
Grant Likely <grant.likely@linaro.org>,
Alan Stern <stern@rowland.harvard.edu>,
Kishon Vijay Abraham I <kishon@ti.com>,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH v1 2/9] mailbox: Add NVIDIA Tegra XUSB mailbox driver
Date: Wed, 25 Jun 2014 16:02:08 -0600 [thread overview]
Message-ID: <53AB46E0.5010908@wwwdotorg.org> (raw)
In-Reply-To: <1403072180-4944-3-git-send-email-abrestic@chromium.org>
On 06/18/2014 12:16 AM, Andrew Bresticker wrote:
> The Tegra XHCI controller communicates requests to the host through
> a mailbox interface. Host drivers which can handle these requests,
> such as the Tegra XUSB pad controller driver and upcoming Tegra XHCI
> host controller driver, can send messages and register to be notified
> of incoming messages.
> diff --git a/include/linux/tegra-xusb-mbox.h b/include/linux/tegra-xusb-mbox.h
> +extern int tegra_xusb_mbox_register_notifier(struct tegra_xusb_mbox *mbox,
> + struct notifier_block *nb);
> +extern void tegra_xusb_mbox_unregister_notifier(struct tegra_xusb_mbox *mbox,
> + struct notifier_block *nb);
> +extern int tegra_xusb_mbox_send(struct tegra_xusb_mbox *mbox,
> + enum tegra_xusb_mbox_cmd cmd, u32 data);
> +extern struct tegra_xusb_mbox *
> +tegra_xusb_mbox_lookup_by_phandle(struct device_node *np, const char *prop);
This seems to use a custom API. I've seen mention of a mailbox
subsystem, and I assume that has a standardized API. Should this driver
implement that instead?
next prev parent reply other threads:[~2014-06-25 22:02 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-18 6:16 [PATCH v1 0/9] Tegra XHCI support Andrew Bresticker
2014-06-18 6:16 ` [PATCH v1 1/9] of: Add NVIDIA Tegra XUSB mailbox binding Andrew Bresticker
2014-06-25 21:42 ` Stephen Warren
2014-06-25 22:37 ` Andrew Bresticker
2014-06-25 23:00 ` Stephen Warren
2014-06-18 6:16 ` [PATCH v1 2/9] mailbox: Add NVIDIA Tegra XUSB mailbox driver Andrew Bresticker
2014-06-25 22:02 ` Stephen Warren [this message]
2014-06-25 23:07 ` Andrew Bresticker
2014-06-18 6:16 ` [PATCH v1 3/9] of: Update Tegra XUSB pad controller binding for USB Andrew Bresticker
2014-06-25 21:46 ` Stephen Warren
2014-06-25 22:25 ` Andrew Bresticker
2014-06-26 20:00 ` Stephen Warren
2014-06-18 6:16 ` [PATCH v1 4/9] pinctrl: tegra-xusb: Add USB PHY support Andrew Bresticker
2014-06-25 22:12 ` Stephen Warren
2014-06-25 23:30 ` Andrew Bresticker
2014-06-26 18:08 ` Stephen Warren
2014-06-27 21:22 ` Andrew Bresticker
2014-06-27 15:00 ` Felipe Balbi
2014-06-27 16:05 ` Stephen Warren
2014-06-18 6:16 ` [PATCH v1 5/9] of: Add NVIDIA Tegra XHCI controller binding Andrew Bresticker
2014-06-25 21:52 ` Stephen Warren
2014-06-25 23:01 ` Andrew Bresticker
2014-06-25 23:13 ` Stephen Warren
2014-06-25 21:54 ` Stephen Warren
2014-06-25 23:02 ` Andrew Bresticker
2014-06-25 23:14 ` Stephen Warren
2014-06-18 6:16 ` [PATCH v1 6/9] usb: xhci: Add NVIDIA Tegra XHCI host-controller driver Andrew Bresticker
2014-06-20 16:58 ` Julius Werner
2014-07-08 21:52 ` Andrew Bresticker
2014-07-09 14:08 ` Alan Stern
2014-07-10 10:40 ` Arnd Bergmann
2014-06-25 22:37 ` Stephen Warren
2014-06-26 0:06 ` Andrew Bresticker
2014-06-26 18:07 ` Stephen Warren
2014-06-27 21:19 ` Andrew Bresticker
2014-06-27 22:01 ` Stephen Warren
2014-06-18 6:16 ` [PATCH v1 7/9] ARM: tegra: Add Tegra124 XUSB mailbox and XHCI controller Andrew Bresticker
2014-06-18 6:16 ` [PATCH v1 8/9] ARM: tegra: jetson-tk1: Add XHCI support Andrew Bresticker
2014-06-18 6:16 ` [PATCH v1 9/9] ARM: tegra: venice2: " Andrew Bresticker
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=53AB46E0.5010908@wwwdotorg.org \
--to=swarren@wwwdotorg.org \
--cc=abrestic@chromium.org \
--cc=arnd@arndb.de \
--cc=devicetree@vger.kernel.org \
--cc=galak@codeaurora.org \
--cc=grant.likely@linaro.org \
--cc=gregkh@linuxfoundation.org \
--cc=ijc+devicetree@hellion.org.uk \
--cc=kishon@ti.com \
--cc=linus.walleij@linaro.org \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-doc@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-tegra@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=linux@arm.linux.org.uk \
--cc=mark.rutland@arm.com \
--cc=mathias.nyman@intel.com \
--cc=pawel.moll@arm.com \
--cc=rdunlap@infradead.org \
--cc=robh+dt@kernel.org \
--cc=stern@rowland.harvard.edu \
--cc=thierry.reding@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
Powered by JetHome