A couple of platforms register two buses and call of_platform_populate().
Move this into a common function to reduce duplication.
Signed-off-by: Kevin Cernekee <cerne...@gmail.com>
---
arch/mips/include/asm/prom.h | 1 +
arch/mips/kernel/prom.c | 18 ++++++++++++++++++
arch/mips/lantiq/prom.c | 11 +----------
arch/mips/ralink/of.c | 14 ++------------
4 files changed, 22 insertions(+), 22 deletions(-)
diff --git a/arch/mips/include/asm/prom.h b/arch/mips/include/asm/prom.h
index a9494c0..eaa2627 100644
--- a/arch/mips/include/asm/prom.h
+++ b/arch/mips/include/asm/prom.h
@@ -22,6 +22,7 @@ extern void device_tree_init(void);
struct boot_param_header;
extern void __dt_setup_arch(void *bph);
+extern int __dt_register_buses(const char *bus0, const char *bus1);
#define dt_setup_arch(sym) \
({ \
diff --git a/arch/mips/kernel/prom.c b/arch/mips/kernel/prom.c
index 5d39bb8..452d435 100644
--- a/arch/mips/kernel/prom.c
+++ b/arch/mips/kernel/prom.c
@@ -16,6 +16,7 @@
#include <linux/debugfs.h>
#include <linux/of.h>
#include <linux/of_fdt.h>
+#include <linux/of_platform.h>
#include <asm/page.h>
#include <asm/prom.h>
@@ -54,4 +55,21 @@ void __init __dt_setup_arch(void *bph)
mips_set_machine_name(of_flat_dt_get_machine_name());
}
+
+int __init __dt_register_buses(const char *bus0, const char *bus1)
+{
+ static struct of_device_id of_ids[3];
+
+ if (!of_have_populated_dt())
+ panic("device tree not present");
+
+ strlcpy(of_ids[0].compatible, bus0, sizeof(of_ids[0].compatible));
+ strlcpy(of_ids[1].compatible, bus1, sizeof(of_ids[1].compatible));
+
+ if (of_platform_populate(NULL, of_ids, NULL, NULL))
+ panic("failed to populate DT");
+
+ return 0;
+}
+
#endif
diff --git a/arch/mips/lantiq/prom.c b/arch/mips/lantiq/prom.c
index 7447d32..758970e 100644
--- a/arch/mips/lantiq/prom.c
+++ b/arch/mips/lantiq/prom.c
@@ -97,16 +97,7 @@ void __init prom_init(void)
int __init plat_of_setup(void)
{
- static struct of_device_id of_ids[3];
-
- if (!of_have_populated_dt())
- panic("device tree not present");
-
- strlcpy(of_ids[0].compatible, soc_info.compatible,
- sizeof(of_ids[0].compatible));
- strncpy(of_ids[1].compatible, "simple-bus",
- sizeof(of_ids[1].compatible));
- return of_platform_populate(NULL, of_ids, NULL, NULL);
+ return __dt_register_buses(soc_info.compatible, "simple-bus");
}
arch_initcall(plat_of_setup);
diff --git a/arch/mips/ralink/of.c b/arch/mips/ralink/of.c
index 7c4598c..f68115f 100644
--- a/arch/mips/ralink/of.c
+++ b/arch/mips/ralink/of.c
@@ -74,19 +74,9 @@ void __init plat_mem_setup(void)
static int __init plat_of_setup(void)
{
- static struct of_device_id of_ids[3];
- int len = sizeof(of_ids[0].compatible);
+ __dt_register_buses(soc_info.compatible, "palmbus");
- if (!of_have_populated_dt())
- panic("device tree not present");
-
- strlcpy(of_ids[0].compatible, soc_info.compatible, len);
- strlcpy(of_ids[1].compatible, "palmbus", len);
-
- if (of_platform_populate(NULL, of_ids, NULL, NULL))
- panic("failed to populate DT");
-
- /* make sure ithat the reset controller is setup early */
+ /* make sure that the reset controller is setup early */
ralink_rst_init();
return 0;
--
2.1.1
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