2024-06-10 15:22:22

by Andrew Davis

[permalink] [raw]
Subject: [PATCH 4/6] remoteproc: da8xx: Use devm_rproc_alloc() helper

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 <[email protected]>
---
drivers/remoteproc/da8xx_remoteproc.c | 15 ++++++---------
1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/drivers/remoteproc/da8xx_remoteproc.c b/drivers/remoteproc/da8xx_remoteproc.c
index 9041a0e07fb25..c8b7576937733 100644
--- a/drivers/remoteproc/da8xx_remoteproc.c
+++ b/drivers/remoteproc/da8xx_remoteproc.c
@@ -295,8 +295,8 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
}
}

- rproc = rproc_alloc(dev, "dsp", &da8xx_rproc_ops, da8xx_fw_name,
- sizeof(*drproc));
+ rproc = devm_rproc_alloc(dev, "dsp", &da8xx_rproc_ops, da8xx_fw_name,
+ sizeof(*drproc));
if (!rproc) {
ret = -ENOMEM;
goto free_mem;
@@ -313,7 +313,7 @@ static int da8xx_rproc_probe(struct platform_device *pdev)

ret = da8xx_rproc_get_internal_memories(pdev, drproc);
if (ret)
- goto free_rproc;
+ goto free_mem;

platform_set_drvdata(pdev, rproc);

@@ -323,7 +323,7 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
rproc);
if (ret) {
dev_err(dev, "devm_request_threaded_irq error: %d\n", ret);
- goto free_rproc;
+ goto free_mem;
}

/*
@@ -333,7 +333,7 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
*/
ret = reset_control_assert(dsp_reset);
if (ret)
- goto free_rproc;
+ goto free_mem;

drproc->chipsig = chipsig;
drproc->bootreg = bootreg;
@@ -344,13 +344,11 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
ret = rproc_add(rproc);
if (ret) {
dev_err(dev, "rproc_add failed: %d\n", ret);
- goto free_rproc;
+ goto free_mem;
}

return 0;

-free_rproc:
- rproc_free(rproc);
free_mem:
if (dev->of_node)
of_reserved_mem_device_release(dev);
@@ -371,7 +369,6 @@ static void da8xx_rproc_remove(struct platform_device *pdev)
disable_irq(drproc->irq);

rproc_del(rproc);
- rproc_free(rproc);
if (dev->of_node)
of_reserved_mem_device_release(dev);
}
--
2.39.2