- 追加された行はこの色です。
- 削除された行はこの色です。
*参照元 [#ub44f36b]
#backlinks
*説明 [#hf703715]
-パス: [[linux-4.4.1/drivers/base/dma-coherent.c]]
-FIXME: これは何?
--説明
**引数 [#kf64cff4]
-struct reserved_mem *rmem
--
--[[linux-4.4.1/reserved_mem]]
-struct device *dev
--
--[[linux-4.4.1/device]]
**返り値 [#wc08b002]
-int
--
**参考 [#h935a183]
*実装 [#ze967a1f]
static int rmem_dma_device_init(struct reserved_mem *rmem, struct device *dev)
{
struct dma_coherent_mem *mem = rmem->priv;
-
--[[linux-4.4.1/dma_coherent_mem]]
if (!mem &&
dma_init_coherent_memory(rmem->base, rmem->base, rmem->size,
DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE,
&mem) != DMA_MEMORY_MAP) {
-
--[[linux-4.4.1/dma_init_coherent_memory()]]
pr_err("Reserved memory: failed to init DMA memory pool at %pa, size %ld MiB\n",
&rmem->base, (unsigned long)rmem->size / SZ_1M);
return -ENODEV;
}
-
--[[linux-4.4.1/pr_err()]]
rmem->priv = mem;
dma_assign_coherent_memory(dev, mem);
-
--[[linux-4.4.1/dma_assign_coherent_memory()]]
return 0;
}
*コメント [#oeb62569]