From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752860AbdLANx0 (ORCPT ); Fri, 1 Dec 2017 08:53:26 -0500 Received: from cloudserver094114.home.net.pl ([79.96.170.134]:54719 "EHLO cloudserver094114.home.net.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752565AbdLANxY (ORCPT ); Fri, 1 Dec 2017 08:53:24 -0500 From: "Rafael J. Wysocki" To: Sinan Kaya Cc: linux-pci@vger.kernel.org, timur@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Len Brown , "open list:ACPI" , open list Subject: Re: [PATCH V4 2/5] ACPI / bus: Introduce acpi_get_match_data() function Date: Fri, 01 Dec 2017 14:52:53 +0100 Message-ID: <2290830.PQXLc2Sk7k@aspire.rjw.lan> In-Reply-To: <1512096776-22883-3-git-send-email-okaya@codeaurora.org> References: <1512096776-22883-1-git-send-email-okaya@codeaurora.org> <1512096776-22883-3-git-send-email-okaya@codeaurora.org> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Friday, December 1, 2017 3:52:53 AM CET 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 Acked-by: Rafael J. Wysocki > --- > 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..b271eb1 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_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_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..a927260 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_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_get_match_data(const struct device *dev) > +{ > + return NULL; > +} > + > static inline bool acpi_driver_match_device(struct device *dev, > const struct device_driver *drv) > { >