[PATCH 1/6] staging: kpc2000: make kconfig symbol 'KPC2000' select dependencies
gneukum1 at gmail.com
Thu May 23 01:35:02 UTC 2019
On Wed, May 22, 2019 at 12:27 PM Greg Kroah-Hartman
<gregkh at linuxfoundation.org> wrote:
> depends on is better than select. There's a change to depend on UIO for
> this code already in my -linus branch which will show up in Linus's tree
> in a week or so.
Noted on both accounts. Thanks for the feedback and sorry for the
inconvenience on the latter.
> Are you sure we need MFD_CORE as well for this code?
I noticed the build issue when working locally. I was doing
something along the lines of: 'make distclean && make x86_64_defconfig',
selecting 'CONFIG_KPC2000' and 'CONFIG_UIO' via menuconfig, then
running a good old 'make'. From make, I received an error along the
ERROR: "mfd_add_devices" [drivers/staging/kpc2000/kpc2000/kpc2000.ko] undefined!
make: *** [scripts/Makefile.modpost:91: __modpost] Error 1
make: *** [Makefile:1290: modules] Error 2
which appears to indicate that those two symbols are undefined. When
I looked, it appeared that those symbols were exported from the
mfd-core which is why I also threw in a select for that Kconfig
symbol. Assuming that I didn't do something silly above, I'd be happy
to submit a new patch (with only a depends on for MFD_CORE) as I
continue trying to fix up the i2c driver.
>Why hasn't that been seen on any build errors?
To be honest, I can't say that I'm familiar with all of the different
build bots out there so I can't even begin to speculate on that one.
If someone could point me in the right direction there, I'd be happy
to investigate further.
Thanks again for your feedback all,
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