From: swarren@wwwdotorg•org (Stephen Warren)
To: linux-arm-kernel@lists•infradead.org
Subject: [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
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