Re: sound/pci/lx6464es/lx6464es.c:557:2: error: implicit declaration of function 'ioport_unmap'

Re: sound/pci/lx6464es/lx6464es.c:557:2: error: implicit declaration of function 'ioport_unmap'

[Fengguang Wu]

On Tue, Apr 02, 2013 at 12:31:01PM +0200, Heiko Carstens wrote:
> On Tue, Apr 02, 2013 at 10:35:21AM +0200, Takashi Iwai wrote:
> > At Fri, 29 Mar 2013 12:29:11 +0100,
> > Tim Blechmann wrote:
> > > 
> > > hi,
> > > >    sound/pci/lx6464es/lx6464es.c:556:2: error: implicit declaration of function 'iounmap' [-Werror=implicit-function-declaration]
> > > i'm not really familiar with the s390 architecture. are the specific
> > > functions declared in a different header or are they not available at
> > > all? in the second case, i'd suggest to disable this driver on this
> > > architecture, as it seems highly unlikely that anyone is going to use
> > > this hardware on this architecture (it would not surprise me, if i'm the
> > > only user of this hardware on linux)
> > 
> > Heiko's patch added already the dependency on CONFIG_HAS_IOPORT in
> > sound/pci/Kconfig (commit 262d62eb), and I thought this should have
> > fixed the issue.
> > 
> > Heiko, could you check it again?
> 
> Yes, all is fine. It seems to be a bug in Fengguang's bisect script that
> caused a couple of false positives.

Yeah, sorry for the noise!  I cannot reproduce the problem, either.

Thanks,
Fengguang

Re: sound/pci/lx6464es/lx6464es.c:557:2: error: implicit declaration of function 'ioport_unmap'

[Tim Blechmann]

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hi,

> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux ma=
ster
> head:   9064171268d838b8f283fe111ef086b9479d059a
> commit: 02bec490450836ebbd628e97ec03f10b57def8ce ALSA: lx6464es - drive=
r for the digigram lx6464es interface
> date:   3 years, 11 months ago
> config: make ARCH=3Ds390 allmodconfig
>=20
> All error/warnings:
>=20
>    sound/pci/lx6464es/lx6464es.c: In function 'snd_lx6464es_free':
>    sound/pci/lx6464es/lx6464es.c:556:2: error: implicit declaration of =
function 'iounmap' [-Werror=3Dimplicit-function-declaration]
>>> sound/pci/lx6464es/lx6464es.c:557:2: error: implicit declaration of f=
unction 'ioport_unmap' [-Werror=3Dimplicit-function-declaration]
>    sound/pci/lx6464es/lx6464es.c: In function 'snd_lx6464es_create':
>    sound/pci/lx6464es/lx6464es.c:984:30: error: 'DMA_32BIT_MASK' undecl=
ared (first use in this function)
>    sound/pci/lx6464es/lx6464es.c:984:30: note: each undeclared identifi=
er is reported only once for each function it appears in
>>> sound/pci/lx6464es/lx6464es.c:1020:2: error: implicit declaration of =
function 'ioport_map' [-Werror=3Dimplicit-function-declaration]
>    sound/pci/lx6464es/lx6464es.c:1020:26: warning: assignment makes poi=
nter from integer without a cast [enabled by default]
>    sound/pci/lx6464es/lx6464es.c: In function 'snd_lx6464es_probe':
>    sound/pci/lx6464es/lx6464es.c:1094:2: warning: 'snd_card_new' is dep=
recated (declared at include/sound/core.h:304) [-Wdeprecated-declarations=
]
>    cc1: some warnings being treated as errors

i'm not really familiar with the s390 architecture. are the specific
functions declared in a different header or are they not available at
all? in the second case, i'd suggest to disable this driver on this
architecture, as it seems highly unlikely that anyone is going to use
this hardware on this architecture (it would not surprise me, if i'm the
only user of this hardware on linux)

cheers,
tim



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