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SubjectRe: [PATCH v4 1/5] dell-laptop: move dell_smi_error() to dell-smbios
> On Wednesday 24 February 2016 08:20:11 Michał Kępień wrote:
> > The dell_smi_error() method could be used by modules other than
> > dell-laptop for convenient translation of SMBIOS request errors into
> > errno values. Thus, move it to dell-smbios.
> >
> > Signed-off-by: Michał Kępień <kernel@kempniu.pl>
> > ---
> > drivers/platform/x86/dell-laptop.c | 14 --------------
> > drivers/platform/x86/dell-smbios.c | 16 ++++++++++++++++
> > drivers/platform/x86/dell-smbios.h | 2 ++
> > 3 files changed, 18 insertions(+), 14 deletions(-)
> >
> > diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c
> > index 76064c8..cbafb95 100644
> > --- a/drivers/platform/x86/dell-laptop.c
> > +++ b/drivers/platform/x86/dell-laptop.c
> > @@ -273,20 +273,6 @@ static const struct dmi_system_id dell_quirks[] __initconst = {
> > { }
> > };
> >
> > -static inline int dell_smi_error(int value)
> > -{
> > - switch (value) {
> > - case 0: /* Completed successfully */
> > - return 0;
> > - case -1: /* Completed with error */
> > - return -EIO;
> > - case -2: /* Function not supported */
> > - return -ENXIO;
> > - default: /* Unknown error */
> > - return -EINVAL;
> > - }
> > -}
> > -
> > /*
> > * Derived from information in smbios-wireless-ctl:
> > *
> > diff --git a/drivers/platform/x86/dell-smbios.c b/drivers/platform/x86/dell-smbios.c
> > index 2a4992a..942572f 100644
> > --- a/drivers/platform/x86/dell-smbios.c
> > +++ b/drivers/platform/x86/dell-smbios.c
> > @@ -16,6 +16,7 @@
> > #include <linux/kernel.h>
> > #include <linux/module.h>
> > #include <linux/dmi.h>
> > +#include <linux/err.h>
> > #include <linux/gfp.h>
> > #include <linux/mutex.h>
> > #include <linux/slab.h>
> > @@ -39,6 +40,21 @@ static int da_command_code;
> > static int da_num_tokens;
> > static struct calling_interface_token *da_tokens;
> >
> > +int dell_smi_error(int value)
> > +{
> > + switch (value) {
> > + case 0: /* Completed successfully */
> > + return 0;
> > + case -1: /* Completed with error */
> > + return -EIO;
> > + case -2: /* Function not supported */
> > + return -ENXIO;
> > + default: /* Unknown error */
> > + return -EINVAL;
> > + }
> > +}
> > +EXPORT_SYMBOL_GPL(dell_smi_error);
> > +
> > struct calling_interface_buffer *dell_smbios_get_buffer(void)
> > {
> > mutex_lock(&buffer_mutex);
> > diff --git a/drivers/platform/x86/dell-smbios.h b/drivers/platform/x86/dell-smbios.h
> > index 4f69b16..52febe6 100644
> > --- a/drivers/platform/x86/dell-smbios.h
> > +++ b/drivers/platform/x86/dell-smbios.h
> > @@ -35,6 +35,8 @@ struct calling_interface_token {
> > };
> > };
> >
> > +int dell_smi_error(int value);
> > +
> > struct calling_interface_buffer *dell_smbios_get_buffer(void);
> > void dell_smbios_clear_buffer(void);
> > void dell_smbios_release_buffer(void);
>
> And... here what about inline vs EXPORT_SYMBOL function? Just asking...

Well, what about it? :) The commit message is pretty explicit in
describing what happens here, i.e. a previously static function is moved
to another module so that it can be reused. Thus, keeping the inline
keyword makes no sense. What exactly is your concern?

--
Best regards,
Michał Kępień

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