From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Lu Baolu <baolu.lu@linux.intel.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v6 03/12] usb: dbc: probe and setup xhci debug capability
Date: Mon, 25 Jan 2016 23:36:53 -0800 [thread overview]
Message-ID: <20160126073653.GB24272@kroah.com> (raw)
In-Reply-To: <1453781665-4714-4-git-send-email-baolu.lu@linux.intel.com>
On Tue, Jan 26, 2016 at 12:14:16PM +0800, Lu Baolu wrote:
> xHCI debug capability (DbC) is an optional functionality provided
> by an xHCI host controller. Software learns this capability by
> walking through the extended capability list in mmio of the host.
>
> This patch introduces the code to probe and initialize the debug
> capability hardware during early boot. With hardware initialization
> done, the debug target (system under debug which has DbC enabled)
> will present a debug device through the debug port. The debug device
> is fully compliant with the USB framework and provides the equivalent
> of a very high performance (USB3) full-duplex serial link between the
> debug host and target.
>
> Signed-off-by: Lu Baolu <baolu.lu@linux.intel.com>
> ---
> MAINTAINERS | 7 +
> arch/x86/Kconfig.debug | 12 +
> drivers/usb/early/Makefile | 1 +
Why did you make a whole new subdirectory, just for your one driver?
Please don't do that, just put it in the host controller directory where
it belongs...
next prev parent reply other threads:[~2016-01-26 7:36 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-26 4:14 [PATCH v6 00/12] usb: early: add support for early printk through USB3 debug port Lu Baolu
2016-01-26 4:14 ` [PATCH v6 01/12] usb: xhci: add sysfs file for xHCI " Lu Baolu
2016-01-26 4:14 ` [PATCH v6 02/12] x86: fixmap: add permanent fixmap for xhci " Lu Baolu
2016-01-26 4:14 ` [PATCH v6 03/12] usb: dbc: probe and setup xhci debug capability Lu Baolu
2016-01-26 7:36 ` Greg Kroah-Hartman [this message]
2016-01-26 10:27 ` Lu Baolu
2016-02-03 21:42 ` Greg Kroah-Hartman
2016-01-26 4:14 ` [PATCH v6 04/12] usb: dbc: add support for Intel xHCI dbc quirk Lu Baolu
2016-01-26 4:14 ` [PATCH v6 05/12] usb: dbc: add debug buffer Lu Baolu
2016-01-26 4:14 ` [PATCH v6 06/12] usb: dbc: add bulk out and bulk in interfaces Lu Baolu
2016-01-26 4:14 ` [PATCH v6 07/12] usb: dbc: handle dbc-configured exit Lu Baolu
2016-01-26 4:14 ` [PATCH v6 08/12] usb: dbc: handle endpoint stall Lu Baolu
2016-01-26 4:14 ` [PATCH v6 09/12] x86: early_printk: add USB3 debug port earlyprintk support Lu Baolu
2016-01-26 6:44 ` kbuild test robot
2016-01-26 4:14 ` [PATCH v6 10/12] usb: dbc: add handshake between debug target and host Lu Baolu
2016-01-26 4:14 ` [PATCH v6 11/12] usb: serial: usb_debug: add support for dbc debug device Lu Baolu
2016-01-26 4:14 ` [PATCH v6 12/12] usb: doc: add document for xHCI DbC driver Lu Baolu
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