On Mon, 2014-04-28 at 23:59 +0100, Guenter Roeck wrote:
> On 04/28/2014 10:uct attribute_group **attr_groups;
> > @@ -114,10 +95,13 @@ struct vexpress_hwmon_type {
> > static DEVICE_ATTR(in1_label, S_IRUGO, vexpress_hwmon_label_show, NULL);
> > static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, vexpress_hwmon_u32_show,
> > NULL, 1000);
> > -static VEXPRESS_HWMON_ATTRS(volt, in1_label, in1_input);
> > static struct attribute_group vexpress_hwmon_group_volt = {
> > .is_visible = vexpress_hwmon_attr_is_visible,
> > - .attrs = vexpress_hwmon_attrs_volt,
> > + .attrs = (struct attribute *[]) {
>
> Is this typecast necessary ?
Yes, it's the gcc extension that allows compound literals to be used for
static structure members initialization. I like it, because it makes
them easier to understand (in my opinion, that is), but if you prefer
the classic approach, I'll unroll VEXPRESS_HWMON_ATTRS into:
static struct attribute vexpress_hwmon_attrs_volt = {
&dev_attr_in1_label.attr,
&sensor_dev_attr_in1_input.dev_attr.attr,
NULL
};
And keep
static struct attribute_group vexpress_hwmon_group_volt = {
.is_visible = vexpress_hwmon_attr_is_visible,
.attrs = vexpress_hwmon_attrs_volt,
};
> > @@ -232,45 +227,19 @@ static int vexpress_hwmon_probe(struct platform_device *pdev)
> > if (!match)
> > return -ENODEV;
> > type = match->data;
> > - data->name = type->name;
> >
> > data->reg = devm_regmap_init_vexpress_config(&pdev->dev);
> > - if (!data->reg)
> > - return -ENODEV;
> > -
> > - err = sysfs_create_groups(&pdev->dev.kobj, type->attr_groups);
> > - if (err)
> > - goto error;
> > -
> > - data->hwmon_dev = hwmon_device_register(&pdev->dev);
> > - if (IS_ERR(data->hwmon_dev)) {
> > - err = PTR_ERR(data->hwmon_dev);
> > - goto error;
> > - }
> > + if (IS_ERR(data->reg))
> > + return PTR_ERR(data->reg);
>
> Did the API for devm_regmap_init_vexpress_config change ?
> If so, it might make sense to separate this out into a separate patch,
> together with the API change (it is a logically different change).
I'm not sure I understand the question. The other patch from the series
I've copied you on
(http://article.gmane.org/gmane.linux.ports.arm.kernel/320577 "[PATCH
02/10] mfd: vexpress: Convert custom func API to regmap") changes
- data->func = vexpress_config_func_get_by_dev(&pdev->dev);
into
+ data->reg = devm_regmap_init_vexpress_config(&pdev->dev);
Your ack there, by the way, will be really appreciated :-)
> One question - I seem to be unable to apply the patch. What is your
> baseline branch / repository ?
The whole series, based on v3.15-rc3 lives here:
git://git.linaro.org/people/pawel.moll/linux.git vexpress/sysreg
Pawel
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