Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=6d817aa71fddea859ba02d1a0b326da930ce6b50
Commit: 6d817aa71fddea859ba02d1a0b326da930ce6b50
Parent: 26f571d7c968dbd30656fc1421eeb0d9088aaad9
Author: Scott Wood <[EMAIL PROTECTED]>
AuthorDate: Wed Aug 29 15:08:40 2007 -0500
Committer: Kumar Gala <[EMAIL PROTECTED]>
CommitDate: Wed Oct 3 20:35:43 2007 -0500
[POWERPC] CPM: Change from fsl,brg-frequency to brg/clock-frequency
As suggested by David Gibson, now that we have a separate node
for the baud rate generators, it's better to use the standard
clock-frequency property than a cpm-node-level fsl,brg-frequency
property.
This patch updates existing places where fsl,brg-frequency is
used.
Signed-off-by: Scott Wood <[EMAIL PROTECTED]>
Signed-off-by: Kumar Gala <[EMAIL PROTECTED]>
---
arch/powerpc/boot/cuboot-8xx.c | 8 +++++---
arch/powerpc/boot/cuboot-pq2.c | 8 +++++---
arch/powerpc/sysdev/fsl_soc.c | 24 ++++++++++++++----------
3 files changed, 24 insertions(+), 16 deletions(-)
diff --git a/arch/powerpc/boot/cuboot-8xx.c b/arch/powerpc/boot/cuboot-8xx.c
index 88ed840..0e82015 100644
--- a/arch/powerpc/boot/cuboot-8xx.c
+++ b/arch/powerpc/boot/cuboot-8xx.c
@@ -29,10 +29,12 @@ static void platform_fixups(void)
dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq);
node = finddevice("/soc/cpm");
- if (node) {
+ if (node)
setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
- setprop(node, "fsl,brg-frequency", &bd.bi_busfreq, 4);
- }
+
+ node = finddevice("/soc/cpm/brg");
+ if (node)
+ setprop(node, "clock-frequency", &bd.bi_busfreq, 4);
}
void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
diff --git a/arch/powerpc/boot/cuboot-pq2.c b/arch/powerpc/boot/cuboot-pq2.c
index 8021fd4..b150bd4 100644
--- a/arch/powerpc/boot/cuboot-pq2.c
+++ b/arch/powerpc/boot/cuboot-pq2.c
@@ -264,10 +264,12 @@ static void pq2_platform_fixups(void)
dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq);
node = finddevice("/soc/cpm");
- if (node) {
+ if (node)
setprop(node, "clock-frequency", &bd.bi_cpmfreq, 4);
- setprop(node, "fsl,brg-frequency", &bd.bi_brgfreq, 4);
- }
+
+ node = finddevice("/soc/cpm/brg");
+ if (node)
+ setprop(node, "clock-frequency", &bd.bi_brgfreq, 4);
update_cs_ranges();
fixup_pci();
diff --git a/arch/powerpc/sysdev/fsl_soc.c b/arch/powerpc/sysdev/fsl_soc.c
index d028e8d..3052366 100644
--- a/arch/powerpc/sysdev/fsl_soc.c
+++ b/arch/powerpc/sysdev/fsl_soc.c
@@ -73,22 +73,26 @@ static u32 brgfreq = -1;
u32 get_brgfreq(void)
{
struct device_node *node;
+ const unsigned int *prop;
+ int size;
if (brgfreq != -1)
return brgfreq;
- node = of_find_compatible_node(NULL, NULL, "fsl,cpm1");
- if (!node)
- node = of_find_compatible_node(NULL, NULL, "fsl,cpm2");
- if (!node)
- node = of_find_node_by_type(NULL, "cpm");
+ node = of_find_compatible_node(NULL, NULL, "fsl,cpm-brg");
if (node) {
- int size;
- const unsigned int *prop;
+ prop = of_get_property(node, "clock-frequency", &size);
+ if (prop && size == 4)
+ brgfreq = *prop;
- prop = of_get_property(node, "fsl,brg-frequency", &size);
- if (!prop)
- prop = of_get_property(node, "brg-frequency", &size);
+ of_node_put(node);
+ return brgfreq;
+ }
+
+ /* Legacy device binding -- will go away when no users are left. */
+ node = of_find_node_by_type(NULL, "cpm");
+ if (node) {
+ prop = of_get_property(node, "brg-frequency", &size);
if (prop && size == 4)
brgfreq = *prop;
-
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