Re: [PATCH] ASoC: ti: ams-delta: Fix cx81801_receive() argument types

Janusz Krzysztofik
2023-10-08T11:02:46Z

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Dnia niedziela, 8 października 2023 11:42:50 CEST Janusz Krzysztofik pisze:
> Dnia niedziela, 8 października 2023 07:04:39 CEST Greg Kroah-Hartman pisze:
> > On Sat, Oct 07, 2023 at 11:38:18PM +0200, Janusz Krzysztofik wrote:
> > > Since types of arguments accepted by tty_ldis_ops::receive_buf() have
> > > changed, the driver no longer builds.
> > >
> > > .../linux/sound/soc/ti/ams-delta.c:403:24: error: initialization of 'void (*)(struct tty_struct *, const u8 *, const u8 *, size_t)' {aka 'void (*)(struct tty_struct *, const unsigned char *, const unsigned char *, unsigned int)'} from incompatible pointer type 'void (*)(struct tty_struct *, const u8 *, const char *, int)' {aka 'void (*)(struct tty_struct *, const unsigned char *, const char *, int)'} [-Werror=incompatible-pointer-types]
> > > 403 | .receive_buf = cx81801_receive,
> > >
> > > Fix it.
> > >
> > > Fixes: e8161447bb0c ("tty: make tty_ldisc_ops::*buf*() hooks operate on size_t")
> > > Fixes: 892bc209f250 ("tty: use u8 for flags")
> > > Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
> > > ---
> > > sound/soc/ti/ams-delta.c | 4 ++--
> > > 1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > Odd no built-bots caught this, maybe no one normally builds this file?
>
> The driver depends on SND, SND_SOC and TTY, but can't be selected
> individually, only via its user.

Sorry, that was an ASoC board driver, not a CODEC driver, that required the
fix.

> Then, it usually builds when
> CONFIG_SND_SOC_OMAP_AMS_DELTA=y, and that's probably uncommon due to
> specific dependencies.

In addition to SOUND, SND, SND_SOC and TTY, this ASoC board driver depends
on MACH_AMS_DELTA, then on ARM, MMU, ARCH_MULTI_V4T, !ARCH_MULTI_V6,
!ARCH_MULTI_V7, CPU_LITTLE_ENDIAN, ATAGS, ARCH_OMAP1 and ARCH_OMAP15XX.
Let me check if it builds without those machine dependencies, then we can
cover it by COMPILE_TEST.

Thanks,
Janusz

> However, cx20442 can also be selected and built
> with CONFIG_COMPILE_TEST=y and CONFIG_SND_SOC_ALL_CODECS=y. Since similar
> approach seems to apply to quite a number of ASoC CODECs, maybe build-bots
> should pay special attention to select SND_SOC_ALL_CODECS more frequently,
> like they probably do with COMPILE_TEST.
>
> Thanks,
> Janusz
>
> > Anyway, I'll pick this up in my tty tree now, thanks!
> >
> > greg k-h
> >
>
>

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