Re: [PATCH 4/8] rtc: ds1685: fix build error with make W=1

From: Alexandre Belloni
Date: Tue Nov 26 2019 - 16:16:55 EST


On 23/11/2019 00:19:45-0500, Joshua Kinard wrote:
> On 11/22/2019 05:22, Alexandre Belloni wrote:
> > Fix the following parsing errors when building with W=1:
> > drivers/rtc/rtc-ds1685.c:1053: error: Cannot parse struct or union!
> > drivers/rtc/rtc-ds1685.c:1062: error: Cannot parse struct or union!
> > drivers/rtc/rtc-ds1685.c:1363: warning: cannot understand function prototype: 'struct platform_driver ds1685_rtc_driver = '
> >
> > Cc: Joshua Kinard <kumba@xxxxxxxxxx>
> > Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
> > ---
> > drivers/rtc/rtc-ds1685.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
> > index 8419595e7da7..56c670af2e50 100644
> > --- a/drivers/rtc/rtc-ds1685.c
> > +++ b/drivers/rtc/rtc-ds1685.c
> > @@ -1039,7 +1039,7 @@ ds1685_rtc_sysfs_serial_show(struct device *dev,
> > }
> > static DEVICE_ATTR(serial, S_IRUGO, ds1685_rtc_sysfs_serial_show, NULL);
> >
> > -/**
> > +/*
> > * struct ds1685_rtc_sysfs_misc_attrs - list for misc RTC features.
> > */
> > static struct attribute*
> > @@ -1050,7 +1050,7 @@ ds1685_rtc_sysfs_misc_attrs[] = {
> > NULL,
> > };
> >
> > -/**
> > +/*
> > * struct ds1685_rtc_sysfs_misc_grp - attr group for misc RTC features.
> > */
> > static const struct attribute_group
> > @@ -1355,7 +1355,7 @@ ds1685_rtc_remove(struct platform_device *pdev)
> > return 0;
> > }
> >
> > -/**
> > +/*
> > * ds1685_rtc_driver - rtc driver properties.
> > */
> > static struct platform_driver ds1685_rtc_driver = {
> >
>
> /** is for kerneldoc comments. Is this a bug in kbuild's W=1 implementation
> of not parsing kerneldoc on a struct correctly? I'm sure I got that syntax
> for structs out of the kerneldoc guide, unless it changed at some point.
>

I would think it is gcc that is choking on that, probably because the
members are not described.


--
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com