From mboxrd@z Thu Jan 1 00:00:00 1970 From: rjw@rjwysocki.net (Rafael J. Wysocki) Date: Sun, 12 Nov 2017 01:14:12 +0100 Subject: [PATCH V3 2/4] ACPI / bus: introduce acpi_device_get_match_data() function In-Reply-To: <31ef1ea5-ddb6-1a24-980b-7986627cfeca@codeaurora.org> References: <1510281175-27173-1-git-send-email-okaya@codeaurora.org> <1510281175-27173-2-git-send-email-okaya@codeaurora.org> <31ef1ea5-ddb6-1a24-980b-7986627cfeca@codeaurora.org> Message-ID: <1605519.pfaIp4IsxJ@aspire.rjw.lan> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Friday, November 10, 2017 3:35:41 AM CET Sinan Kaya wrote: > +linux-acpi at 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 > > --- > > 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