On Wednesday, January 15, 2014 07:45:18 AM Rob Herring wrote:
> On Tue, Jan 14, 2014 at 2:46 AM, Zhang Rui <rui.zhang@xxxxxxxxx> wrote:
> > Fix a problem that, the platform bus supports the OF style modalias
> > in .uevent() call, but not in its device 'modalias' sysfs attribute.
> >
> > cc: devicetree@xxxxxxxxxxxxxxx
> > Signed-off-by: Zhang Rui <rui.zhang@xxxxxxxxx>
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
>
> As there doesn't appear any dependency with the rest of this series, I
> can take this.
Please do, thanks!
> One minor nit below.
>
> > ---
> > drivers/base/platform.c | 4 ++++
> > drivers/of/device.c | 3 +++
> > include/linux/of_device.h | 6 ++++++
> > 3 files changed, 13 insertions(+)
> >
> > diff --git a/drivers/base/platform.c b/drivers/base/platform.c
> > index 2f4aea2..bc78848 100644
> > --- a/drivers/base/platform.c
> > +++ b/drivers/base/platform.c
> > @@ -679,6 +679,10 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
> > struct platform_device *pdev = to_platform_device(dev);
> > int len;
> >
> > + len = of_device_get_modalias(dev, buf, PAGE_SIZE -1);
> > + if (len != -ENODEV)
> > + return len;
> > +
> > len = acpi_device_modalias(dev, buf, PAGE_SIZE -1);
> > if (len != -ENODEV)
> > return len;
> > diff --git a/drivers/of/device.c b/drivers/of/device.c
> > index f685e55..dafb973 100644
> > --- a/drivers/of/device.c
> > +++ b/drivers/of/device.c
> > @@ -85,6 +85,9 @@ ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len)
> > int cplen, i;
> > ssize_t tsize, csize, repend;
> >
> > + if ((!dev) || (!dev->of_node))\
>
> Don't need the parentheses here.
>
> > + return -ENODEV;
> > +
> > /* Name & Type */
> > csize = snprintf(str, len, "of:N%sT%s", dev->of_node->name,
> > dev->of_node->type);
> > diff --git a/include/linux/of_device.h b/include/linux/of_device.h
> > index 82ce324..8d7dd67 100644
> > --- a/include/linux/of_device.h
> > +++ b/include/linux/of_device.h
> > @@ -64,6 +64,12 @@ static inline int of_driver_match_device(struct device *dev,
> > static inline void of_device_uevent(struct device *dev,
> > struct kobj_uevent_env *env) { }
> >
> > +static inline int of_device_get_modalias(struct device *dev,
> > + char *str, ssize_t len)
> > +{
> > + return -ENODEV;
> > +}
> > +
> > static inline int of_device_uevent_modalias(struct device *dev,
> > struct kobj_uevent_env *env)
> > {
> > --
> > 1.7.9.5
> >
> > --
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--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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