linux-kernel - Re: [PATCH 3/3] mtd: nand: add NAND driver for Broadcom STB NAND controller

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Date:	Mon, 9 Mar 2015 10:31:31 -0700
From:	Brian Norris <computersforpeace@...il.com>
To:	Rafał Miłecki <zajec5@...il.com>
Cc:	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	Dmitry Torokhov <dtor@...gle.com>,
	Anatol Pomazao <anatol@...gle.com>,
	Ray Jui <rjui@...adcom.com>,
	Corneliu Doban <cdoban@...adcom.com>,
	Jonathan Richardson <jonathar@...adcom.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	bcm-kernel-feedback-list@...adcom.com,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kevin Cernekee <cernekee@...il.com>, sbranden@...adcom.com
Subject: Re: [PATCH 3/3] mtd: nand: add NAND driver for Broadcom STB NAND
 controller

On Sat, Mar 07, 2015 at 02:21:26PM +0100, Rafał Miłecki wrote:
> On 7 March 2015 at 02:18, Brian Norris <computersforpeace@...il.com> wrote:
> > +       /* NAND register range */
> > +       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> > +       ctrl->nand_base = devm_ioremap_resource(dev, res);
> > +       if (!ctrl->nand_base)
> > +               return -ENODEV;
> 
> This is what I got during my first test:
> brcmstb_nand 11315e0.nand: can't request region for resource [mem
> 0x011315e0-0x011325df]
> Unable to handle kernel paging request at virtual address fffffff0
> (not sure why yet).
> 
> Hint: devm_ioremap_resource does never return NULL

Thanks, fixed in 3 places.

I expect you've figured out your problem here by now.

Brian
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