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SubjectRe: [PATCH v5 2/2] mmc: host: s3cmci: allow probing from device tree
On Fri, Mar 31, 2017 at 01:11:59PM +0200, Ulf Hansson wrote:
> On 31 March 2017 at 09:25, Arnd Bergmann <arnd@arndb.de> wrote:
> > On Sat, Mar 18, 2017 at 2:13 AM, Sergio Prado
> > <sergio.prado@e-labworks.com> wrote:
> >
> >>
> >> +static const struct of_device_id s3cmci_dt_match[] = {
> >> + {
> >> + .compatible = "samsung,s3c2410-sdi",
> >> + .data = (void *)0,
> >> + },
> >> + {
> >> + .compatible = "samsung,s3c2412-sdi",
> >> + .data = (void *)1,
> >> + },
> >> + {
> >> + .compatible = "samsung,s3c2440-sdi",
> >> + .data = (void *)1,
> >> + },
> >> + { /* sentinel */ },
> >> +};
> >> +MODULE_DEVICE_TABLE(of, sdhci_s3c_dt_match);
> >> +
> >
> > The names don't match:
> >
> > In file included from /git/arm-soc/drivers/mmc/host/s3cmci.c:14:0:
> > /git/arm-soc/drivers/mmc/host/s3cmci.c:1844:25: error:
> > 'sdhci_s3c_dt_match' undeclared here (not in a function); did you mean
> > 's3cmci_dt_match'?
> > MODULE_DEVICE_TABLE(of, sdhci_s3c_dt_match);
> > ^
> > /git/arm-soc/include/linux/module.h:212:21: note: in definition of
> > macro 'MODULE_DEVICE_TABLE'
> > extern const typeof(name) __mod_##type##__##name##_device_table \
> > ^~~~
> > /git/arm-soc/include/linux/module.h:212:27: error:
> > '__mod_of__sdhci_s3c_dt_match_device_table' aliased to undefined
> > symbol 'sdhci_s3c_dt_match'
> > extern const typeof(name) __mod_##type##__##name##_device_table \
> > ^
> > /git/arm-soc/drivers/mmc/host/s3cmci.c:1844:1: note: in expansion of
> > macro 'MODULE_DEVICE_TABLE'
> > MODULE_DEVICE_TABLE(of, sdhci_s3c_dt_match);
> > ^~~~~~~~~~~~~~~~~~~
> > /git/arm-soc/scripts/Makefile.build:314: recipe for target
> > 'drivers/mmc/host/s3cmci.o' failed
> >
> > Can you send a fix?
>
> Never mind, I am dropping the patches from my next branch as those
> clearly haven't been built/tested by Sergio properly. It's better that
> he re-spins them.
>
> Arnd, thanks for reporting and even fixing some of the problems!
>
> Kind regards
> Uffe

Arnd, thanks for reporting the error.

I have built/tested the patches, but only as a built-in feature, and
this error occurs when enabled as a module.

I will re-spins them and send v6.

Best regards,

Sergio Prado

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