diff options
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/remoteproc_core.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index ebadaad070a5..674f88d237b8 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -600,6 +600,24 @@ out: } /** + * rproc_release_carveout() - release acquired carveout + * @rproc: rproc handle + * @mem: the memory entry to release + * + * This function releases specified memory entry @mem allocated via + * dma_alloc_coherent() function by @rproc. + */ +static int rproc_release_carveout(struct rproc *rproc, + struct rproc_mem_entry *mem) +{ + struct device *dev = &rproc->dev; + + /* clean up carveout allocations */ + dma_free_coherent(dev->parent, mem->len, mem->va, mem->dma); + return 0; +} + +/** * rproc_handle_carveout() - handle phys contig memory allocation requests * @rproc: rproc handle * @rsc: the resource entry @@ -733,6 +751,7 @@ static int rproc_handle_carveout(struct rproc *rproc, carveout->len = rsc->len; carveout->dma = dma; carveout->da = rsc->da; + carveout->release = rproc_release_carveout; list_add_tail(&carveout->node, &rproc->carveouts); @@ -920,8 +939,8 @@ static void rproc_resource_cleanup(struct rproc *rproc) /* clean up carveout allocations */ list_for_each_entry_safe(entry, tmp, &rproc->carveouts, node) { - dma_free_coherent(dev->parent, entry->len, entry->va, - entry->dma); + if (entry->release) + entry->release(rproc, entry); list_del(&entry->node); kfree(entry); } |