| Message ID | 1510281175-27173-2-git-send-email-okaya@codeaurora.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
+linux-acpi@vger.kernel.org, +Rafael On 11/9/2017 9:32 PM, Sinan Kaya wrote: > OF has of_device_get_match_data() function to extract driver specific data > structure. Add a similar function for ACPI. > > Signed-off-by: Sinan Kaya <okaya@codeaurora.org> > --- > drivers/acpi/bus.c | 12 ++++++++++++ > include/linux/acpi.h | 6 ++++++ > 2 files changed, 18 insertions(+) > > diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c > index 4d0979e..da29c10 100644 > --- a/drivers/acpi/bus.c > +++ b/drivers/acpi/bus.c > @@ -785,6 +785,18 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, > } > EXPORT_SYMBOL_GPL(acpi_match_device); > > +void *acpi_device_get_match_data(const struct device *dev) > +{ > + const struct acpi_device_id *match; > + > + match = acpi_match_device(dev->driver->acpi_match_table, dev); > + if (!match) > + return NULL; > + > + return (void *)match->driver_data; > +} > +EXPORT_SYMBOL_GPL(acpi_device_get_match_data); > + > int acpi_match_device_ids(struct acpi_device *device, > const struct acpi_device_id *ids) > { > diff --git a/include/linux/acpi.h b/include/linux/acpi.h > index 502af53..62c85a5 100644 > --- a/include/linux/acpi.h > +++ b/include/linux/acpi.h > @@ -584,6 +584,7 @@ extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), > const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, > const struct device *dev); > > +void *acpi_device_get_match_data(const struct device *dev); > extern bool acpi_driver_match_device(struct device *dev, > const struct device_driver *drv); > int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); > @@ -755,6 +756,11 @@ static inline const struct acpi_device_id *acpi_match_device( > return NULL; > } > > +static inline void *acpi_device_get_match_data(const struct device *dev) > +{ > + return NULL; > +} > + > static inline bool acpi_driver_match_device(struct device *dev, > const struct device_driver *drv) > { >
On Friday, November 10, 2017 3:35:41 AM CET Sinan Kaya wrote: > +linux-acpi@vger.kernel.org, +Rafael Thanks! > On 11/9/2017 9:32 PM, Sinan Kaya wrote: > > OF has of_device_get_match_data() function to extract driver specific data > > structure. Add a similar function for ACPI. > > > > Signed-off-by: Sinan Kaya <okaya@codeaurora.org> > > --- > > drivers/acpi/bus.c | 12 ++++++++++++ > > include/linux/acpi.h | 6 ++++++ > > 2 files changed, 18 insertions(+) > > > > diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c > > index 4d0979e..da29c10 100644 > > --- a/drivers/acpi/bus.c > > +++ b/drivers/acpi/bus.c > > @@ -785,6 +785,18 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, > > } > > EXPORT_SYMBOL_GPL(acpi_match_device); > > > > +void *acpi_device_get_match_data(const struct device *dev) > > +{ > > + const struct acpi_device_id *match; > > + > > + match = acpi_match_device(dev->driver->acpi_match_table, dev); > > + if (!match) > > + return NULL; > > + > > + return (void *)match->driver_data; > > +} > > +EXPORT_SYMBOL_GPL(acpi_device_get_match_data); While I understand that the name follows the OF convention, I have some doubts on whether it is the best one. Apart from this the change is fine by me. Thanks, Rafael
On Sun, Nov 12, 2017 at 01:14:12AM +0100, Rafael J. Wysocki wrote: > On Friday, November 10, 2017 3:35:41 AM CET Sinan Kaya wrote: > > +linux-acpi@vger.kernel.org, +Rafael > > Thanks! > > > On 11/9/2017 9:32 PM, Sinan Kaya wrote: > > > OF has of_device_get_match_data() function to extract driver specific data > > > structure. Add a similar function for ACPI. > > > > > > Signed-off-by: Sinan Kaya <okaya@codeaurora.org> > > > --- > > > drivers/acpi/bus.c | 12 ++++++++++++ > > > include/linux/acpi.h | 6 ++++++ > > > 2 files changed, 18 insertions(+) > > > > > > diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c > > > index 4d0979e..da29c10 100644 > > > --- a/drivers/acpi/bus.c > > > +++ b/drivers/acpi/bus.c > > > @@ -785,6 +785,18 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, > > > } > > > EXPORT_SYMBOL_GPL(acpi_match_device); > > > > > > +void *acpi_device_get_match_data(const struct device *dev) > > > +{ > > > + const struct acpi_device_id *match; > > > + > > > + match = acpi_match_device(dev->driver->acpi_match_table, dev); > > > + if (!match) > > > + return NULL; > > > + > > > + return (void *)match->driver_data; > > > +} > > > +EXPORT_SYMBOL_GPL(acpi_device_get_match_data); > > While I understand that the name follows the OF convention, I have some > doubts on whether it is the best one. Perhpas acpi_get_match_data() ?
On 11/29/2017 8:55 AM, Vinod Koul wrote: >> While I understand that the name follows the OF convention, I have some >> doubts on whether it is the best one. > Perhpas acpi_get_match_data() ? Will change as recommended unless Rafael has a better idea.
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 4d0979e..da29c10 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -785,6 +785,18 @@ const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, } EXPORT_SYMBOL_GPL(acpi_match_device); +void *acpi_device_get_match_data(const struct device *dev) +{ + const struct acpi_device_id *match; + + match = acpi_match_device(dev->driver->acpi_match_table, dev); + if (!match) + return NULL; + + return (void *)match->driver_data; +} +EXPORT_SYMBOL_GPL(acpi_device_get_match_data); + int acpi_match_device_ids(struct acpi_device *device, const struct acpi_device_id *ids) { diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 502af53..62c85a5 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -584,6 +584,7 @@ extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, const struct device *dev); +void *acpi_device_get_match_data(const struct device *dev); extern bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv); int acpi_device_uevent_modalias(struct device *, struct kobj_uevent_env *); @@ -755,6 +756,11 @@ static inline const struct acpi_device_id *acpi_match_device( return NULL; } +static inline void *acpi_device_get_match_data(const struct device *dev) +{ + return NULL; +} + static inline bool acpi_driver_match_device(struct device *dev, const struct device_driver *drv) {
OF has of_device_get_match_data() function to extract driver specific data structure. Add a similar function for ACPI. Signed-off-by: Sinan Kaya <okaya@codeaurora.org> --- drivers/acpi/bus.c | 12 ++++++++++++ include/linux/acpi.h | 6 ++++++ 2 files changed, 18 insertions(+)