diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/of_platform.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index 6029543c1b5..b3189d0161b 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -27,6 +27,8 @@ #include <asm/topology.h> #include <asm/pci-bridge.h> #include <asm/ppc-pci.h> +#include <asm/atomic.h> + /* * The list of OF IDs below is used for matching bus types in the @@ -51,6 +53,8 @@ static struct of_device_id of_default_bus_ids[] = { {}, }; +static atomic_t bus_no_reg_magic; + /* * * OF platform device type definition & base infrastructure @@ -165,6 +169,7 @@ static void of_platform_make_bus_id(struct of_device *dev) char *name = dev->dev.bus_id; const u32 *reg; u64 addr; + long magic; /* * If it's a DCR based device, use 'd' for native DCRs @@ -203,9 +208,11 @@ static void of_platform_make_bus_id(struct of_device *dev) } /* - * No BusID, use the node name and pray + * No BusID, use the node name and add a globally incremented + * counter (and pray...) */ - snprintf(name, BUS_ID_SIZE, "%s", node->name); + magic = atomic_add_return(1, &bus_no_reg_magic); + snprintf(name, BUS_ID_SIZE, "%s.%d", node->name, magic - 1); } struct of_device* of_platform_device_create(struct device_node *np, |