From: Sinan Kaya <okaya@codeaurora.org>
To: dmaengine@vger.kernel.org, timur@codeaurora.org,
devicetree@vger.kernel.org, linux-acpi@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Sinan Kaya <okaya@codeaurora.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Len Brown <lenb@kernel.org>,
open list <linux-kernel@vger.kernel.org>
Subject: [PATCH V6 2/7] ACPI / bus: Introduce acpi_get_match_data() function
Date: Tue, 5 Dec 2017 12:04:47 -0500 [thread overview]
Message-ID: <1512493493-6464-3-git-send-email-okaya@codeaurora.org> (raw)
In-Reply-To: <1512493493-6464-1-git-send-email-okaya@codeaurora.org>
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>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
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)
{
--
1.9.1
next prev parent reply other threads:[~2017-12-05 17:04 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-05 17:04 [PATCH V6 0/7] dmaengine: qcom_hidma: add support for bugfixed HW Sinan Kaya
[not found] ` <1512493493-6464-1-git-send-email-okaya-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-12-05 17:04 ` [PATCH V6 1/7] Documentation: DT: qcom_hidma: Bump HW revision for the " Sinan Kaya
2017-12-05 17:04 ` Sinan Kaya [this message]
2017-12-05 22:04 ` [PATCH V6 2/7] ACPI / bus: Introduce acpi_get_match_data() function Rafael J. Wysocki
2017-12-06 16:41 ` Sinan Kaya
2017-12-05 17:04 ` [PATCH V6 3/7] device property: Introduce a common API to fetch device match data Sinan Kaya
2017-12-07 12:29 ` Sakari Ailus
2017-12-07 20:15 ` Sinan Kaya
2017-12-07 12:40 ` Sakari Ailus
2017-12-07 20:17 ` Sinan Kaya
2017-12-07 22:06 ` Sakari Ailus
2017-12-07 22:19 ` Rafael J. Wysocki
[not found] ` <CAJZ5v0inHMCLGyPaAeuJNo2VH7f3Th0KdpT2UkPBCsvrSDi0gQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-12-14 10:28 ` Sakari Ailus
2017-12-05 17:04 ` [PATCH V6 4/7] OF: properties: Implement get_match_data() callback Sinan Kaya
2017-12-05 21:21 ` Rob Herring
2017-12-07 12:38 ` Sakari Ailus
2017-12-07 13:10 ` Lothar Waßmann
2017-12-07 14:45 ` Sinan Kaya
[not found] ` <def8e351-bc2d-7adc-fdc5-362b365302a8-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-12-07 15:20 ` Lothar Waßmann
2017-12-07 17:50 ` Sinan Kaya
2017-12-08 8:09 ` Lothar Waßmann
2017-12-08 9:11 ` Lothar Waßmann
2017-12-08 14:33 ` Sinan Kaya
2017-12-08 14:40 ` Sinan Kaya
2017-12-05 17:04 ` [PATCH V6 5/7] ACPI: " Sinan Kaya
2017-12-05 17:04 ` [PATCH V6 6/7] dmaengine: qcom_hidma: Add support for the new revision Sinan Kaya
2017-12-05 17:04 ` [PATCH V6 7/7] dmaengine: qcom_hidma: Add identity register support Sinan Kaya
2017-12-05 22:05 ` [PATCH V6 0/7] dmaengine: qcom_hidma: add support for bugfixed HW Rafael J. Wysocki
2017-12-07 12:41 ` Sakari Ailus
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