diff options
| author | Kevin Cernekee | 2014-10-20 21:28:02 -0700 |
|---|---|---|
| committer | Ralf Baechle | 2014-11-24 07:45:12 +0100 |
| commit | 84988c068108c99cf0e7d2391f5bf6bd91e2494c (patch) | |
| tree | 6e0fcbfa1e23b9606a424fbaf9edd1e70d572bac /arch/mips | |
| parent | 68e6a78373a6d3ab6d2811f891596fdd8408efec (diff) | |
MIPS: Create a helper function for DT setup
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 <cernekee@gmail.com>
Cc: f.fainelli@gmail.com
Cc: mbizon@freebox.fr
Cc: jogo@openwrt.org
Cc: jfraser@broadcom.com
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/8167/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/prom.h | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/prom.c | 18 | ||||
| -rw-r--r-- | arch/mips/lantiq/prom.c | 11 | ||||
| -rw-r--r-- | 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 a9494c0141fb..eaa26270a5e5 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 5d39bb85bf35..452d4350ce42 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 7447d322d14e..758970e3815b 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 7c4598cb6de8..f68115fd98ef 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; |