linux-kernel - Re: [PATCH v8] gpio: add a driver for the Synopsys DesignWare APB GPIO block

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Date:	Thu, 5 Dec 2013 16:53:01 -0600
From:	delicious quinoa <delicious.quinoa@...il.com>
To:	Jamie Iles <jamie@...ieiles.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-gpio@...r.kernel.org,
	Linus Walleij <linus.walleij@...ricsson.com>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Rob Herring <rob.herring@...xeda.com>,
	Steffen Trumtrar <s.trumtrar@...gutronix.de>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Heiko Stuebner <heiko@...ech.de>, Alan Tull <atull@...era.com>,
	Dinh Nguyen <dinguyen@...era.com>,
	Yves Vandervennet <rocket.yvanderv@...il.com>
Subject: Re: [PATCH v8] gpio: add a driver for the Synopsys DesignWare APB
 GPIO block

On Thu, Dec 5, 2013 at 10:54 AM, Jamie Iles <jamie@...ieiles.com> wrote:
> Hi Alan,
>
> One minor comment below, otherwise looks great!
>
> Signed-off-by: Jamie Iles <jamie@...ieiles.com>
>
> Thanks,
>
> Jamie
>
> On Tue, Dec 03, 2013 at 10:41:16AM -0600, Alan Tull wrote:
>> diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c
>> new file mode 100644
>> index 0000000..e6dc61f
>> --- /dev/null
>> +++ b/drivers/gpio/gpio-dwapb.c
> ...
>> +static unsigned int dwapb_gpio_nr_ports(struct device_node *of_node)
>> +{
>> +     unsigned int nr_ports = 0;
>> +     struct device_node *np;
>> +
>> +     for_each_child_of_node(of_node, np)
>> +             ++nr_ports;
>> +
>> +     return nr_ports;
>> +}
>
> I notice that we now have of_get_child_count() which didn't exist when I
> first wrote the driver, we could use that now.

Thanks Jamie.

I'll include that in v8.  I'll post that within a few days.

Alan
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