diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/cbe_regs.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/cbe_regs.c | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/arch/powerpc/platforms/cell/cbe_regs.c b/arch/powerpc/platforms/cell/cbe_regs.c index c2a0678d85db..fb4023f9ea6b 100644 --- a/arch/powerpc/platforms/cell/cbe_regs.c +++ b/arch/powerpc/platforms/cell/cbe_regs.c @@ -10,12 +10,12 @@ #include <linux/percpu.h> #include <linux/types.h> #include <linux/export.h> +#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/of_platform.h> #include <linux/pgtable.h> #include <asm/io.h> -#include <asm/prom.h> #include <asm/ptrace.h> #include <asm/cell-regs.h> @@ -23,7 +23,7 @@ * Current implementation uses "cpu" nodes. We build our own mapping * array of cpu numbers to cpu nodes locally for now to allow interrupt * time code to have a fast path rather than call of_get_cpu_node(). If - * we implement cpu hotplug, we'll have to install an appropriate norifier + * we implement cpu hotplug, we'll have to install an appropriate notifier * in order to release references to the cpu going away */ static struct cbe_regs_map @@ -165,7 +165,7 @@ u32 cbe_node_to_cpu(int node) } EXPORT_SYMBOL_GPL(cbe_node_to_cpu); -static struct device_node *cbe_get_be_node(int cpu_id) +static struct device_node *__init cbe_get_be_node(int cpu_id) { struct device_node *np; @@ -182,9 +182,16 @@ static struct device_node *cbe_get_be_node(int cpu_id) if (WARN_ON_ONCE(!cpu_handle)) return np; - for (i=0; i<len; i++) - if (of_find_node_by_phandle(cpu_handle[i]) == of_get_cpu_node(cpu_id, NULL)) + for (i = 0; i < len; i++) { + struct device_node *ch_np = of_find_node_by_phandle(cpu_handle[i]); + struct device_node *ci_np = of_get_cpu_node(cpu_id, NULL); + + of_node_put(ch_np); + of_node_put(ci_np); + + if (ch_np == ci_np) return np; + } } return NULL; @@ -193,21 +200,30 @@ static struct device_node *cbe_get_be_node(int cpu_id) static void __init cbe_fill_regs_map(struct cbe_regs_map *map) { if(map->be_node) { - struct device_node *be, *np; + struct device_node *be, *np, *parent_np; be = map->be_node; - for_each_node_by_type(np, "pervasive") - if (of_get_parent(np) == be) + for_each_node_by_type(np, "pervasive") { + parent_np = of_get_parent(np); + if (parent_np == be) map->pmd_regs = of_iomap(np, 0); + of_node_put(parent_np); + } - for_each_node_by_type(np, "CBEA-Internal-Interrupt-Controller") - if (of_get_parent(np) == be) + for_each_node_by_type(np, "CBEA-Internal-Interrupt-Controller") { + parent_np = of_get_parent(np); + if (parent_np == be) map->iic_regs = of_iomap(np, 2); + of_node_put(parent_np); + } - for_each_node_by_type(np, "mic-tm") - if (of_get_parent(np) == be) + for_each_node_by_type(np, "mic-tm") { + parent_np = of_get_parent(np); + if (parent_np == be) map->mic_tm_regs = of_iomap(np, 0); + of_node_put(parent_np); + } } else { struct device_node *cpu; /* That hack must die die die ! */ @@ -261,7 +277,8 @@ void __init cbe_regs_init(void) of_node_put(cpu); return; } - map->cpu_node = cpu; + of_node_put(map->cpu_node); + map->cpu_node = of_node_get(cpu); for_each_possible_cpu(i) { struct cbe_thread_map *thread = &cbe_thread_map[i]; |