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From: Mark Rutland <mark.rutland@arm.com>
To: Felipe Balbi <balbi@ti.com>
Cc: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"michals@xilinx.com" <michals@xilinx.com>,
	Subbaraya Sundeep Bhatta <sbhatta@xilinx.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>
Subject: Re: [PATCH RFC] usb: gadget: Add xilinx axi usb2 device support
Date: Fri, 21 Feb 2014 16:13:12 +0000	[thread overview]
Message-ID: <20140221161312.GA28555@e106331-lin.cambridge.arm.com> (raw)
In-Reply-To: <20140221154103.GF31902@saruman.home>

On Fri, Feb 21, 2014 at 03:41:03PM +0000, Felipe Balbi wrote:
> Hi,
> 
> On Fri, Feb 21, 2014 at 12:04:54PM +0000, Mark Rutland wrote:
> > > > +Example:
> > > > + 		axi-usb2-device@42e00000 {
> > > > +                        compatible = "xlnx,axi-usb2-device-4.00.a";
> > > > +                        interrupt-parent = <0x1>;
> > > > +                        interrupts = <0x0 0x39 0x1>;
> > > > +                        reg = <0x42e00000 0x10000>;
> > > > +                        xlnx,include-dma = <0x1>;
> > > > +                };
> > > > +
> > > 
> > > you need to Cc devicetree@vger.kernel.org for this.
> > 
> > Cheers Filipe; thanks for adding us to Cc :)
> 
> sure, but it's "Felipe" ;-)

Whoops; sorry Felipe :)

> 
> > > > +	/* Map the registers */
> > > > +	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > > > +	udc->base_address = devm_ioremap_nocache(&pdev->dev, res->start,
> > > > +						 resource_size(res));
> > > 
> > > use devm_ioremap_resource() instead.
> > 
> > Also, res might be NULL. You should check that before dereferencing it.
> 
> not needed when using devm_ioremap_resource(), see the implementation.

Ah, good to know.

Cheers,
Mark.

  reply	other threads:[~2014-02-21 16:13 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-19  9:40 [PATCH RFC] usb: gadget: Add xilinx axi usb2 device support Subbaraya Sundeep Bhatta
2014-02-20 18:23 ` Felipe Balbi
2014-02-21  6:38   ` Michal Simek
2014-02-21 16:04     ` Greg Kroah-Hartman
2014-02-21 16:04       ` Michal Simek
2014-02-21 16:12         ` SPDX-License-Identifier (was: Re: [PATCH RFC] usb: gadget: Add xilinx axi usb2 device support) Felipe Balbi
2014-02-21 16:18           ` SPDX-License-Identifier Michal Simek
2014-02-21 16:20             ` SPDX-License-Identifier Felipe Balbi
2014-02-21 16:56               ` SPDX-License-Identifier Greg Kroah-Hartman
2014-02-21 17:26                 ` SPDX-License-Identifier Michal Simek
2014-02-21 17:57                   ` SPDX-License-Identifier Greg Kroah-Hartman
2014-02-21 19:01                     ` SPDX-License-Identifier Theodore Ts'o
2014-02-24 10:12                       ` SPDX-License-Identifier Michal Simek
2014-02-24 13:41                         ` SPDX-License-Identifier Theodore Ts'o
2014-02-24 14:03                           ` SPDX-License-Identifier Michal Simek
2014-02-24 14:26                             ` SPDX-License-Identifier Greg Kroah-Hartman
2014-02-25 12:10                               ` SPDX-License-Identifier One Thousand Gnomes
2014-02-25 12:25                                 ` SPDX-License-Identifier Geert Uytterhoeven
2015-02-02 15:43             ` SPDX-License-Identifier Stefan Roese
2015-02-02 16:06               ` SPDX-License-Identifier Greg Kroah-Hartman
2015-02-04 16:41                 ` SPDX-License-Identifier Stefan Roese
2015-02-05  4:21                   ` SPDX-License-Identifier Theodore Ts'o
2015-02-05  6:41                   ` SPDX-License-Identifier Greg Kroah-Hartman
2015-02-25 21:49                     ` SPDX-License-Identifier Pavel Machek
2015-02-25 22:00                       ` SPDX-License-Identifier Felipe Balbi
2015-02-26 21:49                         ` SPDX-License-Identifier Pavel Machek
2015-02-26 10:26                       ` SPDX-License-Identifier One Thousand Gnomes
2015-02-26 13:39                         ` SPDX-License-Identifier Theodore Ts'o
2015-02-26 21:53                         ` SPDX-License-Identifier Pavel Machek
2015-02-05 11:49                   ` SPDX-License-Identifier One Thousand Gnomes
2014-02-21 16:23         ` [PATCH RFC] usb: gadget: Add xilinx axi usb2 device support Greg Kroah-Hartman
2014-02-21 11:27   ` Subbaraya Sundeep Bhatta
2014-02-21 15:39     ` Felipe Balbi
2014-03-10 13:36       ` sundeep subbaraya
2014-03-10 18:44         ` Felipe Balbi
2014-02-21 12:04   ` Mark Rutland
2014-02-21 13:41     ` Michal Simek
2014-02-21 13:57       ` Mark Rutland
2014-02-21 14:06         ` Michal Simek
2014-02-21 15:42       ` Felipe Balbi
2014-02-21 15:51         ` Michal Simek
2014-02-21 16:00           ` Felipe Balbi
2014-02-21 16:15           ` Arnd Bergmann
2014-02-21 15:41     ` Felipe Balbi
2014-02-21 16:13       ` Mark Rutland [this message]
2014-03-26 10:07   ` sundeep subbaraya
2014-04-15 17:18     ` Felipe Balbi
2014-04-15 17:55       ` Alan Stern
2014-04-16  4:39         ` Felipe Balbi

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