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remoteproc: k3-dsp: Use devm_ti_sci_get_by_phandle() helper

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Use the device lifecycle managed TI-SCI get() function. This helps prevent
mistakes like not put()'ing in the wrong order in cleanup functions and
forgetting to put() on error paths.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20240205182753.36978-2-afd@ti.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
This commit is contained in:
Andrew Davis 2024-02-05 12:27:49 -06:00 committed by Mathieu Poirier
parent e160d811c5
commit 48f9a0858b
1 changed files with 9 additions and 23 deletions
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32
drivers/remoteproc/ti_k3_dsp_remoteproc.c
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@ -708,30 +708,24 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
kproc->dev = dev;
kproc->data = data;
kproc->ti_sci = ti_sci_get_by_phandle(np, "ti,sci");
kproc->ti_sci = devm_ti_sci_get_by_phandle(dev, "ti,sci");
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) {
dev_err_probe(dev, ret, "missing 'ti,sci-dev-id' property\n");
goto put_sci;
}
if (ret)
return dev_err_probe(dev, ret, "missing 'ti,sci-dev-id' property\n");
kproc->reset = devm_reset_control_get_exclusive(dev, NULL);
if (IS_ERR(kproc->reset)) {
ret = dev_err_probe(dev, PTR_ERR(kproc->reset),
"failed to get reset\n");
goto put_sci;
}
if (IS_ERR(kproc->reset))
return dev_err_probe(dev, PTR_ERR(kproc->reset),
"failed to get reset\n");
kproc->tsp = k3_dsp_rproc_of_get_tsp(dev, kproc->ti_sci);
if (IS_ERR(kproc->tsp)) {
ret = dev_err_probe(dev, PTR_ERR(kproc->tsp),
"failed to construct ti-sci proc control\n");
goto put_sci;
}
if (IS_ERR(kproc->tsp))
return dev_err_probe(dev, PTR_ERR(kproc->tsp),
"failed to construct ti-sci proc control\n");
ret = ti_sci_proc_request(kproc->tsp);
if (ret < 0) {
@ -805,10 +799,6 @@ release_tsp:
dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret1));
free_tsp:
kfree(kproc->tsp);
put_sci:
ret1 = ti_sci_put_handle(kproc->ti_sci);
if (ret1)
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret1));
return ret;
}
@ -836,10 +826,6 @@ static void k3_dsp_rproc_remove(struct platform_device *pdev)
kfree(kproc->tsp);
ret = ti_sci_put_handle(kproc->ti_sci);
if (ret)
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret));
k3_dsp_reserved_mem_exit(kproc);
}