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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-16 19:27:10 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-16 19:27:10 +0400
commitab86e5765d41a5eb4239a1c04d613db87bea5ed8 (patch)
treea41224d4874c2f90e0b423786f00bedf6f3e8bfa /drivers/base/dd.c
parent7ea61767e41e2baedd6a968d13f56026522e1207 (diff)
parent2b2af54a5bb6f7e80ccf78f20084b93c398c3a8b (diff)
downloadlinux-ab86e5765d41a5eb4239a1c04d613db87bea5ed8.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6: Driver Core: devtmpfs - kernel-maintained tmpfs-based /dev debugfs: Modify default debugfs directory for debugging pktcdvd. debugfs: Modified default dir of debugfs for debugging UHCI. debugfs: Change debugfs directory of IWMC3200 debugfs: Change debuhgfs directory of trace-events-sample.h debugfs: Fix mount directory of debugfs by default in events.txt hpilo: add poll f_op hpilo: add interrupt handler hpilo: staging for interrupt handling driver core: platform_device_add_data(): use kmemdup() Driver core: Add support for compatibility classes uio: add generic driver for PCI 2.3 devices driver-core: move dma-coherent.c from kernel to driver/base mem_class: fix bug mem_class: use minor as index instead of searching the array driver model: constify attribute groups UIO: remove 'default n' from Kconfig Driver core: Add accessor for device platform data Driver core: move dev_get/set_drvdata to drivers/base/dd.c Driver core: add new device to bus's list before probing
Diffstat (limited to 'drivers/base/dd.c')
-rw-r--r--drivers/base/dd.c31
1 files changed, 29 insertions, 2 deletions
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 7b34b3a48f67..979d159b5cd1 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -11,8 +11,8 @@
*
* Copyright (c) 2002-5 Patrick Mochel
* Copyright (c) 2002-3 Open Source Development Labs
- * Copyright (c) 2007 Greg Kroah-Hartman <gregkh@suse.de>
- * Copyright (c) 2007 Novell Inc.
+ * Copyright (c) 2007-2009 Greg Kroah-Hartman <gregkh@suse.de>
+ * Copyright (c) 2007-2009 Novell Inc.
*
* This file is released under the GPLv2
*/
@@ -391,3 +391,30 @@ void driver_detach(struct device_driver *drv)
put_device(dev);
}
}
+
+/*
+ * These exports can't be _GPL due to .h files using this within them, and it
+ * might break something that was previously working...
+ */
+void *dev_get_drvdata(const struct device *dev)
+{
+ if (dev && dev->p)
+ return dev->p->driver_data;
+ return NULL;
+}
+EXPORT_SYMBOL(dev_get_drvdata);
+
+void dev_set_drvdata(struct device *dev, void *data)
+{
+ int error;
+
+ if (!dev)
+ return;
+ if (!dev->p) {
+ error = device_private_init(dev);
+ if (error)
+ return;
+ }
+ dev->p->driver_data = data;
+}
+EXPORT_SYMBOL(dev_set_drvdata);