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Fri, 10 Nov 2017 02:33:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1510281182; bh=Efjmk10TXadKlvXGuwG3K6C54ZL7BfQgZLj19hJkYnI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KQusGVL19IL0ICVztSXVPH9VuNovm1PvOej3Lm6nOOq253Ry9gleafR0enkBUPtZg cEvyAJeRLEyo9PtVfHJRfs7aAhb1YSymHBjTlhW4u1QIQL3unZVmVdld0s0mdaEFpe XzK/dH6RHQYiDJ5dvGmxQzZPkAs1InQX1HG0Q3zo= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org A2925607EB Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: dmaengine@vger.kernel.org, timur@codeaurora.org Subject: [PATCH V3 2/4] ACPI / bus: introduce acpi_device_get_match_data() function Date: Thu, 9 Nov 2017 21:32:53 -0500 Message-Id: <1510281175-27173-2-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1510281175-27173-1-git-send-email-okaya@codeaurora.org> References: <1510281175-27173-1-git-send-email-okaya@codeaurora.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171109_183322_750959_08E3AAF9 X-CRM114-Status: GOOD ( 10.34 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sinan Kaya , linux-arm-msm@vger.kernel.org, robin.murphy@arm.com, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP 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); + 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) {