diff options
| -rw-r--r-- | kernel/dma/coherent.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/kernel/dma/coherent.c b/kernel/dma/coherent.c index ff5683a57f77..3b2bdca9f1d4 100644 --- a/kernel/dma/coherent.c +++ b/kernel/dma/coherent.c @@ -330,7 +330,8 @@ int dma_init_global_coherent(phys_addr_t phys_addr, size_t size) #include <linux/of_reserved_mem.h> #ifdef CONFIG_DMA_GLOBAL_POOL -static struct reserved_mem *dma_reserved_default_memory __initdata; +static phys_addr_t dma_reserved_default_memory_base __initdata; +static phys_addr_t dma_reserved_default_memory_size __initdata; #endif static int rmem_dma_device_init(struct reserved_mem *rmem, struct device *dev) @@ -376,9 +377,10 @@ static int __init rmem_dma_setup(struct reserved_mem *rmem) #ifdef CONFIG_DMA_GLOBAL_POOL if (of_get_flat_dt_prop(node, "linux,dma-default", NULL)) { - WARN(dma_reserved_default_memory, + WARN(dma_reserved_default_memory_size, "Reserved memory: region for default DMA coherent area is redefined\n"); - dma_reserved_default_memory = rmem; + dma_reserved_default_memory_base = rmem->base; + dma_reserved_default_memory_size = rmem->size; } #endif @@ -391,10 +393,10 @@ static int __init rmem_dma_setup(struct reserved_mem *rmem) #ifdef CONFIG_DMA_GLOBAL_POOL static int __init dma_init_reserved_memory(void) { - if (!dma_reserved_default_memory) + if (!dma_reserved_default_memory_size) return -ENOMEM; - return dma_init_global_coherent(dma_reserved_default_memory->base, - dma_reserved_default_memory->size); + return dma_init_global_coherent(dma_reserved_default_memory_base, + dma_reserved_default_memory_size); } core_initcall(dma_init_reserved_memory); #endif /* CONFIG_DMA_GLOBAL_POOL */ |