[PATCH 1/8] remoteproc: k3-dsp: Use devm_rproc_alloc() helper

From: Andrew Davis
Date: Tue Jan 23 2024 - 13:56:43 EST


Use the device lifecycle managed allocation function. This helps prevent
mistakes like freeing out of order in cleanup functions and forgetting to
free on error paths.

Signed-off-by: Andrew Davis <afd@xxxxxx>
---
drivers/remoteproc/ti_k3_dsp_remoteproc.c | 16 +++++-----------
1 file changed, 5 insertions(+), 11 deletions(-)

diff --git a/drivers/remoteproc/ti_k3_dsp_remoteproc.c b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
index ab882e3b7130b..93fbc89307d6a 100644
--- a/drivers/remoteproc/ti_k3_dsp_remoteproc.c
+++ b/drivers/remoteproc/ti_k3_dsp_remoteproc.c
@@ -690,8 +690,8 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
if (ret)
return dev_err_probe(dev, ret, "failed to parse firmware-name property\n");

- rproc = rproc_alloc(dev, dev_name(dev), &k3_dsp_rproc_ops, fw_name,
- sizeof(*kproc));
+ rproc = devm_rproc_alloc(dev, dev_name(dev), &k3_dsp_rproc_ops,
+ fw_name, sizeof(*kproc));
if (!rproc)
return -ENOMEM;

@@ -707,12 +707,9 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
kproc->data = data;

kproc->ti_sci = ti_sci_get_by_phandle(np, "ti,sci");
- if (IS_ERR(kproc->ti_sci)) {
- ret = dev_err_probe(dev, PTR_ERR(kproc->ti_sci),
- "failed to get ti-sci handle\n");
- kproc->ti_sci = NULL;
- goto free_rproc;
- }
+ if (IS_ERR(kproc->ti_sci))
+ return dev_err_probe(dev, PTR_ERR(kproc->ti_sci),
+ "failed to get ti-sci handle\n");

ret = of_property_read_u32(np, "ti,sci-dev-id", &kproc->ti_sci_id);
if (ret) {
@@ -810,8 +807,6 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret1 = ti_sci_put_handle(kproc->ti_sci);
if (ret1)
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret1));
-free_rproc:
- rproc_free(rproc);
return ret;
}

@@ -844,7 +839,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret));

k3_dsp_reserved_mem_exit(kproc);
- rproc_free(kproc->rproc);
}

static const struct k3_dsp_mem_data c66_mems[] = {
--
2.39.2