[PATCH 11/14] ARM: OMAP2+: Add device-tree support for NOR flash
Ezequiel Garcia
elezegarcia at gmail.com
Sat Mar 2 08:25:16 EST 2013
Hi Jon,
On Tue, Feb 26, 2013 at 2:30 PM, Jon Hunter <jon-hunter at ti.com> wrote:
[...]
> +static int gpmc_probe_nor_child(struct platform_device *pdev,
> + struct device_node *child)
> +{
> + struct gpmc_settings gpmc_s;
> + struct gpmc_timings gpmc_t;
> + struct resource res;
> + unsigned long base;
> + int ret, cs;
> +
> + if (of_property_read_u32(child, "reg", &cs) < 0) {
> + dev_err(&pdev->dev, "%s has no 'reg' property\n",
> + child->full_name);
> + return -ENODEV;
> + }
> +
> + if (of_address_to_resource(child, 0, &res)) {
> + dev_err(&pdev->dev, "%s has malformed 'reg' property\n",
> + child->full_name);
> + return -ENODEV;
> + }
> +
> + ret = gpmc_cs_request(cs, res.end - res.start, &base);
How about using resource_size() above?
BTW, I believe it's size = end - start + 1.
--
Ezequiel
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