Subject: Re: [spi-devel-general] [PATCH v5] spi: Add PPC4xx SPI driver

From: Anton Vorontsov <[email-masked]>
Date: Tue, 6 Jan 2009 05:06:03 +0300

Hi Stefan,

On Tue, Nov 25, 2008 at 04:48:08PM +0100, Stefan Roese wrote:
> This adds a SPI driver for the SPI controller found in the IBM/AMCC
> 4xx PowerPC's.
> 
> Signed-off-by: Stefan Roese <[email-masked]>
> Signed-off-by: Wolfgang Ocker <[email-masked]>
> Acked-by: Josh Boyer <[email-masked]>
> ---
[...]
> +static unsigned int of_num_gpios(struct device_node *node)
> +{
> +	unsigned int num = 0;
> +
> +	while (gpio_is_valid(of_get_gpio(node, num)))
> +		num++;
> +	return num;
> +}

FYI, as of commit 749820928a2fd47ff536773d869d2c3f8038b7d1 ("of/gpio:
Implement of_gpio_count()") you can use of_gpio_count() from
linux/of_gpio.h.

-- 
Anton Vorontsov
email: [email-masked]
irc://irc.freenode.net/bd2