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Message-ID: <20240610151721.189472-6-afd@ti.com>
Date: Mon, 10 Jun 2024 10:17:21 -0500
From: Andrew Davis <afd@...com>
To: Hari Nagalla <hnagalla@...com>, Bjorn Andersson <andersson@...nel.org>,
Mathieu Poirier <mathieu.poirier@...aro.org>
CC: <linux-remoteproc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Andrew
Davis <afd@...com>
Subject: [PATCH 6/6] remoteproc: da8xx: Use devm_rproc_add() helper
Use the device lifecycle managed add function. This helps prevent mistakes
like deleting out of order in cleanup functions and forgetting to delete
on error paths.
Signed-off-by: Andrew Davis <afd@...com>
---
drivers/remoteproc/da8xx_remoteproc.c | 21 +--------------------
1 file changed, 1 insertion(+), 20 deletions(-)
diff --git a/drivers/remoteproc/da8xx_remoteproc.c b/drivers/remoteproc/da8xx_remoteproc.c
index 1ce91516fc6e5..c20cf33429da9 100644
--- a/drivers/remoteproc/da8xx_remoteproc.c
+++ b/drivers/remoteproc/da8xx_remoteproc.c
@@ -321,8 +321,6 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
if (ret)
return ret;
- platform_set_drvdata(pdev, rproc);
-
/* everything the ISR needs is now setup, so hook it up */
ret = devm_request_threaded_irq(dev, irq, da8xx_rproc_callback,
handle_event, 0, "da8xx-remoteproc",
@@ -347,7 +345,7 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
drproc->irq_data = irq_data;
drproc->irq = irq;
- ret = rproc_add(rproc);
+ ret = devm_rproc_add(dev, rproc);
if (ret) {
dev_err(dev, "rproc_add failed: %d\n", ret);
return ret;
@@ -356,22 +354,6 @@ static int da8xx_rproc_probe(struct platform_device *pdev)
return 0;
}
-static void da8xx_rproc_remove(struct platform_device *pdev)
-{
- struct rproc *rproc = platform_get_drvdata(pdev);
- struct da8xx_rproc *drproc = rproc->priv;
- struct device *dev = &pdev->dev;
-
- /*
- * The devm subsystem might end up releasing things before
- * freeing the irq, thus allowing an interrupt to sneak in while
- * the device is being removed. This should prevent that.
- */
- disable_irq(drproc->irq);
-
- rproc_del(rproc);
-}
-
static const struct of_device_id davinci_rproc_of_match[] __maybe_unused = {
{ .compatible = "ti,da850-dsp", },
{ /* sentinel */ },
@@ -380,7 +362,6 @@ MODULE_DEVICE_TABLE(of, davinci_rproc_of_match);
static struct platform_driver da8xx_rproc_driver = {
.probe = da8xx_rproc_probe,
- .remove_new = da8xx_rproc_remove,
.driver = {
.name = "davinci-rproc",
.of_match_table = of_match_ptr(davinci_rproc_of_match),
--
2.39.2
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