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sh: intc: Provide sysdev name for intc controllers.

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Presently the sysdevs are simply numbered based on the list position,
without having any direct way of figuring out which controller these are
actually mapping to. This provides a name attr for mapping out the chip
name.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2010-04-13 10:16:34 +09:00
parent 050d4cc702
commit 0ded754286
1 changed files with 16 additions and 0 deletions
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16
drivers/sh/intc.c
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@ -1034,6 +1034,18 @@ int __init register_intc_controller(struct intc_desc *desc)
return -ENOMEM;
}
static ssize_t
show_intc_name(struct sys_device *dev, struct sysdev_attribute *attr, char *buf)
{
struct intc_desc_int *d;
d = container_of(dev, struct intc_desc_int, sysdev);
return sprintf(buf, "%s\n", d->chip.name);
}
static SYSDEV_ATTR(name, S_IRUGO, show_intc_name, NULL);
static int intc_suspend(struct sys_device *dev, pm_message_t state)
{
struct intc_desc_int *d;
@ -1098,8 +1110,12 @@ static int __init register_intc_sysdevs(void)
d->sysdev.id = id;
d->sysdev.cls = &intc_sysdev_class;
error = sysdev_register(&d->sysdev);
if (error == 0)
error = sysdev_create_file(&d->sysdev,
&attr_name);
if (error)
break;
id++;
}
}