linux-kernel - [PATCH 1/1] mfd: core: propagate device properties to sub devices drivers

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <1438782905-10758-1-git-send-email-andriy.shevchenko@linux.intel.com>
Date:	Wed,  5 Aug 2015 16:55:05 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	","@black.fi.intel.com, linux-kernel@...r.kernel.org,
	Lee Jones <lee.jones@...aro.org>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
	"Rafael J . Wysocki" <rjw@...ysocki.net>
Cc:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Subject: [PATCH 1/1] mfd: core: propagate device properties to sub devices drivers

In the similar way like we do for the platform data we propagate the device
properties. For example, in case of Intel LPSS drivers we may provide a
specific property to tell the actual device driver an additional information
such as platform name.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 drivers/mfd/mfd-core.c   | 3 +++
 include/linux/mfd/core.h | 5 +++++
 2 files changed, 8 insertions(+)

diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c
index c17635d..f0d6e45 100644
--- a/drivers/mfd/mfd-core.c
+++ b/drivers/mfd/mfd-core.c
@@ -14,6 +14,7 @@
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
 #include <linux/acpi.h>
+#include <linux/property.h>
 #include <linux/mfd/core.h>
 #include <linux/pm_runtime.h>
 #include <linux/slab.h>
@@ -172,6 +173,8 @@ static int mfd_add_device(struct device *parent, int id,
 			goto fail_alias;
 	}
 
+	device_add_property_set(&pdev->dev, cell->pset);
+
 	ret = mfd_platform_add_cell(pdev, cell, usage_count);
 	if (ret)
 		goto fail_alias;
diff --git a/include/linux/mfd/core.h b/include/linux/mfd/core.h
index a76bc10..5009522 100644
--- a/include/linux/mfd/core.h
+++ b/include/linux/mfd/core.h
@@ -15,6 +15,7 @@
 #define MFD_CORE_H
 
 #include <linux/platform_device.h>
+#include <linux/property.h>
 
 struct irq_domain;
 
@@ -38,6 +39,10 @@ struct mfd_cell {
 	/* platform data passed to the sub devices drivers */
 	void			*platform_data;
 	size_t			pdata_size;
+
+	/* device properties passed to the sub devices drivers */
+	struct property_set	*pset;
+
 	/*
 	 * Device Tree compatible string
 	 * See: Documentation/devicetree/usage-model.txt Chapter 2.2 for details
-- 
2.4.6

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/