diff options
Diffstat (limited to 'arch/powerpc/platforms/iseries/dt.c')
-rw-r--r-- | arch/powerpc/platforms/iseries/dt.c | 56 |
1 files changed, 24 insertions, 32 deletions
diff --git a/arch/powerpc/platforms/iseries/dt.c b/arch/powerpc/platforms/iseries/dt.c index c5a87a72057b..7f45a51fe793 100644 --- a/arch/powerpc/platforms/iseries/dt.c +++ b/arch/powerpc/platforms/iseries/dt.c @@ -51,11 +51,16 @@ /* * These are created by the linker script at the start and end - * of the section containing all the strings from this file. + * of the section containing all the strings marked with the DS macro. */ extern char __dt_strings_start[]; extern char __dt_strings_end[]; +#define DS(s) ({ \ + static const char __s[] __attribute__((section(".dt_strings"))) = s; \ + __s; \ +}) + struct iseries_flat_dt { struct boot_param_header header; u64 reserve_map[2]; @@ -64,9 +69,8 @@ struct iseries_flat_dt { static void * __initdata dt_data; /* - * Putting these strings here keeps them out of the section - * that we rename to .dt_strings using objcopy and capture - * for the strings blob of the flattened device tree. + * Putting these strings here keeps them out of the .dt_strings section + * that we capture for the strings blob of the flattened device tree. */ static char __initdata device_type_cpu[] = "cpu"; static char __initdata device_type_memory[] = "memory"; @@ -173,7 +177,7 @@ static void __init dt_start_node(struct iseries_flat_dt *dt, const char *name) #define dt_end_node(dt) dt_push_u32(dt, OF_DT_END_NODE) -static void __init dt_prop(struct iseries_flat_dt *dt, const char *name, +static void __init __dt_prop(struct iseries_flat_dt *dt, const char *name, const void *data, int len) { unsigned long offset; @@ -191,44 +195,32 @@ static void __init dt_prop(struct iseries_flat_dt *dt, const char *name, /* The actual data. */ dt_push_bytes(dt, data, len); } +#define dt_prop(dt, name, data, len) __dt_prop((dt), DS(name), (data), (len)) -static void __init dt_prop_str(struct iseries_flat_dt *dt, const char *name, - const char *data) -{ - dt_prop(dt, name, data, strlen(data) + 1); /* + 1 for NULL */ -} +#define dt_prop_str(dt, name, data) \ + dt_prop((dt), name, (data), strlen((data)) + 1); /* + 1 for NULL */ -static void __init dt_prop_u32(struct iseries_flat_dt *dt, const char *name, +static void __init __dt_prop_u32(struct iseries_flat_dt *dt, const char *name, u32 data) { - dt_prop(dt, name, &data, sizeof(u32)); + __dt_prop(dt, name, &data, sizeof(u32)); } +#define dt_prop_u32(dt, name, data) __dt_prop_u32((dt), DS(name), (data)) -static void __init __maybe_unused dt_prop_u64(struct iseries_flat_dt *dt, - const char *name, - u64 data) +static void __init __maybe_unused __dt_prop_u64(struct iseries_flat_dt *dt, + const char *name, u64 data) { - dt_prop(dt, name, &data, sizeof(u64)); + __dt_prop(dt, name, &data, sizeof(u64)); } +#define dt_prop_u64(dt, name, data) __dt_prop_u64((dt), DS(name), (data)) -static void __init dt_prop_u64_list(struct iseries_flat_dt *dt, - const char *name, u64 *data, int n) -{ - dt_prop(dt, name, data, sizeof(u64) * n); -} +#define dt_prop_u64_list(dt, name, data, n) \ + dt_prop((dt), name, (data), sizeof(u64) * (n)) -static void __init dt_prop_u32_list(struct iseries_flat_dt *dt, - const char *name, u32 *data, int n) -{ - dt_prop(dt, name, data, sizeof(u32) * n); -} +#define dt_prop_u32_list(dt, name, data, n) \ + dt_prop((dt), name, (data), sizeof(u32) * (n)) -#ifdef notyet -static void __init dt_prop_empty(struct iseries_flat_dt *dt, const char *name) -{ - dt_prop(dt, name, NULL, 0); -} -#endif +#define dt_prop_empty(dt, name) dt_prop((dt), name, NULL, 0) static void __init dt_cpus(struct iseries_flat_dt *dt) { |