linux-kernel - RE: [PATCH v11 1/5] device property: Add fwnode

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Date:   Thu, 2 Dec 2021 12:34:10 +0000
From:   Anand Ashok Dumbre <ANANDASH@...inx.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "jic23@...nel.org" <jic23@...nel.org>,
        "lars@...afoo.de" <lars@...afoo.de>,
        "linux-iio@...r.kernel.org" <linux-iio@...r.kernel.org>,
        git <git@...inx.com>, Michal Simek <michals@...inx.com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "rafael@...nel.org" <rafael@...nel.org>,
        "linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
        "heikki.krogerus@...ux.intel.com" <heikki.krogerus@...ux.intel.com>
Subject: RE: [PATCH v11 1/5] device property: Add fwnode_iomap()



> -----Original Message-----
> From: Anand Ashok Dumbre <ANANDASH@...inx.com>
> Sent: Thursday 2 December 2021 11:47 AM
> To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Cc: linux-kernel@...r.kernel.org; jic23@...nel.org; lars@...afoo.de; linux-
> iio@...r.kernel.org; git <git@...inx.com>; Michal Simek
> <michals@...inx.com>; gregkh@...uxfoundation.org; rafael@...nel.org;
> linux-acpi@...r.kernel.org; heikki.krogerus@...ux.intel.com
> Subject: RE: [PATCH v11 1/5] device property: Add fwnode_iomap()
> 
> > ...
> >
> > > > > > +void __iomem *fwnode_iomap(struct fwnode_handle *fwnode,
> int
> > > > > index) {
> > > > >
> > > > > > +	if (is_of_node(fwnode))
> > > > > > +		return of_iomap(to_of_node(fwnode), index);
> > > > >
> > > > > It seems this part should be wrapped in some ifdeffery according
> > > > > to kbuild bot report.
> > > >
> > > > I see that of_iomap is wrapped in #ifdef I will fix that and send
> > > > a new
> > patch.
> > >
> > > I am unable to reproduce the conditions for the error shown by the
> > > kernel
> > bot.
> > > Not sure if I am doing something wrong. Any help/suggestion would be
> > appreciated to fix this issue.
> >
> > Kbuild bot gives you a config file and command line with which it
> > tried to build. It's quite rare that it gives you false positives (and
> > here it's not the case, because you need to have ifdeffery like other
> > APIs in this category have).
> >
> 
> The problem is at the config file itself. I am unable to point to compiler
> correctly while running, make ARCH=s390 test_defconfig
> s390-linux-gcc: unknown compiler
> scripts/Kconfig.include:44: Sorry, this compiler is not supported.
> scripts/kconfig/Makefile:94: recipe for target 'test_defconfig' failed
> make[1]: *** [test_defconfig] Error 1
> Makefile:619: recipe for target 'test_defconfig' failed
> make: *** [test_defconfig] Error 2
> 
> I have added the compiler binaries to the patch and set
> CROSS_COMPILE=s390-linux-

I am able to build now, one of the build options was causing the problems.

> 
> > > > > > +	return NULL;
> > > > > > +}
> >
> >
> > --
> > With Best Regards,
> > Andy Shevchenko
> >
> 
> Thanks,
> Anand