[PATCH 4/9] remoteproc: qcom_q6v5_mss: Use devm_rproc_alloc() helper

From: Andrew Davis
Date: Tue Jan 23 2024 - 13:48:39 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/qcom_q6v5_mss.c | 28 ++++++++++++----------------
1 file changed, 12 insertions(+), 16 deletions(-)

diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q6v5_mss.c
index 394b2c1cb5e21..1779fc890e102 100644
--- a/drivers/remoteproc/qcom_q6v5_mss.c
+++ b/drivers/remoteproc/qcom_q6v5_mss.c
@@ -1990,8 +1990,8 @@ static int q6v5_probe(struct platform_device *pdev)
return ret;
}

- rproc = rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
- mba_image, sizeof(*qproc));
+ rproc = devm_rproc_alloc(&pdev->dev, pdev->name, &q6v5_ops,
+ mba_image, sizeof(*qproc));
if (!rproc) {
dev_err(&pdev->dev, "failed to allocate rproc\n");
return -ENOMEM;
@@ -2008,7 +2008,7 @@ static int q6v5_probe(struct platform_device *pdev)
1, &qproc->hexagon_mdt_image);
if (ret < 0 && ret != -EINVAL) {
dev_err(&pdev->dev, "unable to read mpss firmware-name\n");
- goto free_rproc;
+ return ret;
}

platform_set_drvdata(pdev, qproc);
@@ -2019,17 +2019,17 @@ static int q6v5_probe(struct platform_device *pdev)
qproc->has_spare_reg = desc->has_spare_reg;
ret = q6v5_init_mem(qproc, pdev);
if (ret)
- goto free_rproc;
+ return ret;

ret = q6v5_alloc_memory_region(qproc);
if (ret)
- goto free_rproc;
+ return ret;

ret = q6v5_init_clocks(&pdev->dev, qproc->proxy_clks,
desc->proxy_clk_names);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get proxy clocks.\n");
- goto free_rproc;
+ return ret;
}
qproc->proxy_clk_count = ret;

@@ -2037,7 +2037,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->reset_clk_names);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get reset clocks.\n");
- goto free_rproc;
+ return ret;
}
qproc->reset_clk_count = ret;

@@ -2045,7 +2045,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->active_clk_names);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get active clocks.\n");
- goto free_rproc;
+ return ret;
}
qproc->active_clk_count = ret;

@@ -2053,7 +2053,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->proxy_supply);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get proxy regulators.\n");
- goto free_rproc;
+ return ret;
}
qproc->proxy_reg_count = ret;

@@ -2061,7 +2061,7 @@ static int q6v5_probe(struct platform_device *pdev)
desc->active_supply);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get active regulators.\n");
- goto free_rproc;
+ return ret;
}
qproc->active_reg_count = ret;

@@ -2074,12 +2074,12 @@ static int q6v5_probe(struct platform_device *pdev)
desc->fallback_proxy_supply);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to get fallback proxy regulators.\n");
- goto free_rproc;
+ return ret;
}
qproc->fallback_proxy_reg_count = ret;
} else if (ret < 0) {
dev_err(&pdev->dev, "Failed to init power domains\n");
- goto free_rproc;
+ return ret;
} else {
qproc->proxy_pd_count = ret;
}
@@ -2127,8 +2127,6 @@ static int q6v5_probe(struct platform_device *pdev)
qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);
detach_proxy_pds:
q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
-free_rproc:
- rproc_free(rproc);

return ret;
}
@@ -2149,8 +2147,6 @@ static void q6v5_remove(struct platform_device *pdev)
qcom_remove_glink_subdev(rproc, &qproc->glink_subdev);

q6v5_pds_detach(qproc, qproc->proxy_pds, qproc->proxy_pd_count);
-
- rproc_free(rproc);
}

static const struct rproc_hexagon_res sc7180_mss = {
--
2.39.2