[PATCH v3 3/4] remoteproc: Split rproc_ops allocation from rproc_alloc()

From: Mathieu Poirier
Date: Mon Apr 20 2020 - 19:16:14 EST


Make the rproc_ops allocation a function on its own in an effort
to clean up function rproc_alloc().

Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Reviewed-by: Alex Elder <elder@xxxxxxxxxx>
---
drivers/remoteproc/remoteproc_core.c | 33 ++++++++++++++++++----------
1 file changed, 21 insertions(+), 12 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index 45529d40342f..15318507aedb 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -2028,6 +2028,26 @@ static int rproc_alloc_firmware(struct rproc *rproc,
return 0;
}

+static int rproc_alloc_ops(struct rproc *rproc, const struct rproc_ops *ops)
+{
+ rproc->ops = kmemdup(ops, sizeof(*ops), GFP_KERNEL);
+ if (!rproc->ops)
+ return -ENOMEM;
+
+ if (rproc->ops->load)
+ return 0;
+
+ /* Default to ELF loader if no load function is specified */
+ rproc->ops->load = rproc_elf_load_segments;
+ rproc->ops->parse_fw = rproc_elf_load_rsc_table;
+ rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
+ if (!rproc->ops->sanity_check)
+ rproc->ops->sanity_check = rproc_elf32_sanity_check;
+ rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
+
+ return 0;
+}
+
/**
* rproc_alloc() - allocate a remote processor handle
* @dev: the underlying device
@@ -2067,8 +2087,7 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,
if (rproc_alloc_firmware(rproc, name, firmware))
goto free_rproc;

- rproc->ops = kmemdup(ops, sizeof(*ops), GFP_KERNEL);
- if (!rproc->ops)
+ if (rproc_alloc_ops(rproc, ops))
goto free_firmware;

rproc->name = name;
@@ -2096,16 +2115,6 @@ struct rproc *rproc_alloc(struct device *dev, const char *name,

atomic_set(&rproc->power, 0);

- /* Default to ELF loader if no load function is specified */
- if (!rproc->ops->load) {
- rproc->ops->load = rproc_elf_load_segments;
- rproc->ops->parse_fw = rproc_elf_load_rsc_table;
- rproc->ops->find_loaded_rsc_table = rproc_elf_find_loaded_rsc_table;
- if (!rproc->ops->sanity_check)
- rproc->ops->sanity_check = rproc_elf32_sanity_check;
- rproc->ops->get_boot_addr = rproc_elf_get_boot_addr;
- }
-
mutex_init(&rproc->lock);

INIT_LIST_HEAD(&rproc->carveouts);
--
2.20.1