Re: [PATCH] of/i2c: support more interrupt specifiers

From: Rob Herring
Date: Wed Nov 21 2012 - 08:41:00 EST


On 11/21/2012 02:58 AM, Bongkyu Kim wrote:
> This patch supports more interrupt specifiers for i2c client.

Why?

> Signed-off-by: Bongkyu Kim <bongkyu.kim@xxxxxxx>
> ---
> drivers/of/of_i2c.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c
> index 3550f3b..c6d9b7e 100644
> --- a/drivers/of/of_i2c.c
> +++ b/drivers/of/of_i2c.c
> @@ -34,6 +34,7 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
> struct dev_archdata dev_ad = {};
> const __be32 *addr;
> int len;
> + int nr = 0;
>
> dev_dbg(&adap->dev, "of_i2c: register %s\n", node->full_name);
>
> @@ -57,7 +58,9 @@ void of_i2c_register_devices(struct i2c_adapter *adap)
> continue;
> }
>
> - info.irq = irq_of_parse_and_map(node, 0);
> + info.irq = irq_of_parse_and_map(node, nr++);
> + while (irq_of_parse_and_map(node, nr))
> + nr++;

What's the point if you are just discarding the interrupt number? If
this is needed, then shouldn't you fix i2c_board_info first?

Rob

> info.of_node = of_node_get(node);
> info.archdata = &dev_ad;
>
>
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