diff options
author | Grant Likely <grant.likely@secretlab.ca> | 2010-06-08 09:48:14 -0400 |
---|---|---|
committer | Grant Likely <grant.likely@secretlab.ca> | 2010-07-05 18:14:29 -0400 |
commit | 94c0931983ee9d1cd96c32d52ac64c17464f0bbd (patch) | |
tree | 188c9d7ef9dfb560563078d6d2f3872291686f58 /arch/microblaze/kernel/of_device.c | |
parent | 5fd200f3b351183b5489cef69961c60af9cead2f (diff) |
of: Merge of_device_alloc() and of_device_make_bus_id()
This patch merges the common routines of_device_alloc() and
of_device_make_bus_id() from powerpc and microblaze.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
CC: Michal Simek <monstr@monstr.eu>
CC: Grant Likely <grant.likely@secretlab.ca>
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
CC: Stephen Rothwell <sfr@canb.auug.org.au>
CC: microblaze-uclinux@itee.uq.edu.au
CC: linuxppc-dev@ozlabs.org
CC: devicetree-discuss@lists.ozlabs.org
Diffstat (limited to 'arch/microblaze/kernel/of_device.c')
-rw-r--r-- | arch/microblaze/kernel/of_device.c | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c deleted file mode 100644 index 3a367d788451..000000000000 --- a/arch/microblaze/kernel/of_device.c +++ /dev/null | |||
@@ -1,64 +0,0 @@ | |||
1 | #include <linux/string.h> | ||
2 | #include <linux/kernel.h> | ||
3 | #include <linux/of.h> | ||
4 | #include <linux/init.h> | ||
5 | #include <linux/module.h> | ||
6 | #include <linux/mod_devicetable.h> | ||
7 | #include <linux/slab.h> | ||
8 | #include <linux/of_device.h> | ||
9 | |||
10 | #include <linux/errno.h> | ||
11 | |||
12 | void of_device_make_bus_id(struct of_device *dev) | ||
13 | { | ||
14 | static atomic_t bus_no_reg_magic; | ||
15 | struct device_node *node = dev->dev.of_node; | ||
16 | const u32 *reg; | ||
17 | u64 addr; | ||
18 | int magic; | ||
19 | |||
20 | /* | ||
21 | * For MMIO, get the physical address | ||
22 | */ | ||
23 | reg = of_get_property(node, "reg", NULL); | ||
24 | if (reg) { | ||
25 | addr = of_translate_address(node, reg); | ||
26 | if (addr != OF_BAD_ADDR) { | ||
27 | dev_set_name(&dev->dev, "%llx.%s", | ||
28 | (unsigned long long)addr, node->name); | ||
29 | return; | ||
30 | } | ||
31 | } | ||
32 | |||
33 | /* | ||
34 | * No BusID, use the node name and add a globally incremented | ||
35 | * counter (and pray...) | ||
36 | */ | ||
37 | magic = atomic_add_return(1, &bus_no_reg_magic); | ||
38 | dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1); | ||
39 | } | ||
40 | EXPORT_SYMBOL(of_device_make_bus_id); | ||
41 | |||
42 | struct of_device *of_device_alloc(struct device_node *np, | ||
43 | const char *bus_id, | ||
44 | struct device *parent) | ||
45 | { | ||
46 | struct of_device *dev; | ||
47 | |||
48 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | ||
49 | if (!dev) | ||
50 | return NULL; | ||
51 | |||
52 | dev->dev.of_node = of_node_get(np); | ||
53 | dev->dev.dma_mask = &dev->archdata.dma_mask; | ||
54 | dev->dev.parent = parent; | ||
55 | dev->dev.release = of_release_dev; | ||
56 | |||
57 | if (bus_id) | ||
58 | dev_set_name(&dev->dev, bus_id); | ||
59 | else | ||
60 | of_device_make_bus_id(dev); | ||
61 | |||
62 | return dev; | ||
63 | } | ||
64 | EXPORT_SYMBOL(of_device_alloc); | ||