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remoteproc: k3-dsp: Use symbolic error codes in error messages 

The error message

	failed to send mailbox message (-EINVAL)

is (for a human) more useful than

	failed to send mailbox message, status = -22

Adapt all error messages to use the symbolic names instead of the
numeric constants. The error paths in .probe() make use of
dev_err_probe() which automatically handles EPROBE_DEFER.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20231123211657.518181-7-u.kleine-koenig@pengutronix.de>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
This commit is contained in:
Uwe Kleine-König 2023-11-23 22:17:00 +01:00 committed by Mathieu Poirier
parent bddae3e7ae
commit cfd0b5c4fd
1 changed files with 34 additions and 44 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

78
drivers/remoteproc/ti_k3_dsp_remoteproc.c
View File

@ -158,8 +158,8 @@ static void k3_dsp_rproc_kick(struct rproc *rproc, int vqid)
/* send the index of the triggered virtqueue in the mailbox payload */
ret = mbox_send_message(kproc->mbox, (void *)msg);
if (ret < 0)
dev_err(dev, "failed to send mailbox message, status = %d\n",
ret);
dev_err(dev, "failed to send mailbox message (%pe)\n",
ERR_PTR(ret));
}
/* Put the DSP processor into reset */
@ -170,7 +170,7 @@ static int k3_dsp_rproc_reset(struct k3_dsp_rproc *kproc)
ret = reset_control_assert(kproc->reset);
if (ret) {
dev_err(dev, "local-reset assert failed, ret = %d\n", ret);
dev_err(dev, "local-reset assert failed (%pe)\n", ERR_PTR(ret));
return ret;
}
@ -180,7 +180,7 @@ static int k3_dsp_rproc_reset(struct k3_dsp_rproc *kproc)
ret = kproc->ti_sci->ops.dev_ops.put_device(kproc->ti_sci,
kproc->ti_sci_id);
if (ret) {
dev_err(dev, "module-reset assert failed, ret = %d\n", ret);
dev_err(dev, "module-reset assert failed (%pe)\n", ERR_PTR(ret));
if (reset_control_deassert(kproc->reset))
dev_warn(dev, "local-reset deassert back failed\n");
}
@ -200,14 +200,14 @@ static int k3_dsp_rproc_release(struct k3_dsp_rproc *kproc)
ret = kproc->ti_sci->ops.dev_ops.get_device(kproc->ti_sci,
kproc->ti_sci_id);
if (ret) {
dev_err(dev, "module-reset deassert failed, ret = %d\n", ret);
dev_err(dev, "module-reset deassert failed (%pe)\n", ERR_PTR(ret));
return ret;
}
lreset:
ret = reset_control_deassert(kproc->reset);
if (ret) {
dev_err(dev, "local-reset deassert failed, ret = %d\n", ret);
dev_err(dev, "local-reset deassert failed, (%pe)\n", ERR_PTR(ret));
if (kproc->ti_sci->ops.dev_ops.put_device(kproc->ti_sci,
kproc->ti_sci_id))
dev_warn(dev, "module-reset assert back failed\n");
@ -246,7 +246,7 @@ static int k3_dsp_rproc_request_mbox(struct rproc *rproc)
*/
ret = mbox_send_message(kproc->mbox, (void *)RP_MBOX_ECHO_REQUEST);
if (ret < 0) {
dev_err(dev, "mbox_send_message failed: %d\n", ret);
dev_err(dev, "mbox_send_message failed (%pe)\n", ERR_PTR(ret));
mbox_free_channel(kproc->mbox);
return ret;
}
@ -272,8 +272,8 @@ static int k3_dsp_rproc_prepare(struct rproc *rproc)
ret = kproc->ti_sci->ops.dev_ops.get_device(kproc->ti_sci,
kproc->ti_sci_id);
if (ret)
dev_err(dev, "module-reset deassert failed, cannot enable internal RAM loading, ret = %d\n",
ret);
dev_err(dev, "module-reset deassert failed, cannot enable internal RAM loading (%pe)\n",
ERR_PTR(ret));
return ret;
}
@ -296,7 +296,7 @@ static int k3_dsp_rproc_unprepare(struct rproc *rproc)
ret = kproc->ti_sci->ops.dev_ops.put_device(kproc->ti_sci,
kproc->ti_sci_id);
if (ret)
dev_err(dev, "module-reset assert failed, ret = %d\n", ret);
dev_err(dev, "module-reset assert failed (%pe)\n", ERR_PTR(ret));
return ret;
}
@ -561,9 +561,9 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
num_rmems = of_property_count_elems_of_size(np, "memory-region",
sizeof(phandle));
if (num_rmems <= 0) {
dev_err(dev, "device does not reserved memory regions, ret = %d\n",
num_rmems);
if (num_rmems < 0) {
dev_err(dev, "device does not reserved memory regions (%pe)\n",
ERR_PTR(num_rmems));
return -EINVAL;
}
if (num_rmems < 2) {
@ -575,8 +575,8 @@ static int k3_dsp_reserved_mem_init(struct k3_dsp_rproc *kproc)
/* use reserved memory region 0 for vring DMA allocations */
ret = of_reserved_mem_device_init_by_idx(dev, np, 0);
if (ret) {
dev_err(dev, "device cannot initialize DMA pool, ret = %d\n",
ret);
dev_err(dev, "device cannot initialize DMA pool (%pe)\n",
ERR_PTR(ret));
return ret;
}
@ -687,11 +687,8 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
return -ENODEV;
ret = rproc_of_parse_firmware(dev, 0, &fw_name);
if (ret) {
dev_err(dev, "failed to parse firmware-name property, ret = %d\n",
ret);
return ret;
}
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));
@ -711,39 +708,35 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
kproc->ti_sci = ti_sci_get_by_phandle(np, "ti,sci");
if (IS_ERR(kproc->ti_sci)) {
ret = PTR_ERR(kproc->ti_sci);
if (ret != -EPROBE_DEFER) {
dev_err(dev, "failed to get ti-sci handle, ret = %d\n",
ret);
}
ret = dev_err_probe(dev, PTR_ERR(kproc->ti_sci),
"failed to get ti-sci handle\n");
kproc->ti_sci = NULL;
goto free_rproc;
}
ret = of_property_read_u32(np, "ti,sci-dev-id", &kproc->ti_sci_id);
if (ret) {
dev_err(dev, "missing 'ti,sci-dev-id' property\n");
dev_err_probe(dev, ret, "missing 'ti,sci-dev-id' property\n");
goto put_sci;
}
kproc->reset = devm_reset_control_get_exclusive(dev, NULL);
if (IS_ERR(kproc->reset)) {
ret = PTR_ERR(kproc->reset);
dev_err(dev, "failed to get reset, status = %d\n", ret);
ret = dev_err_probe(dev, PTR_ERR(kproc->reset),
"failed to get reset\n");
goto put_sci;
}
kproc->tsp = k3_dsp_rproc_of_get_tsp(dev, kproc->ti_sci);
if (IS_ERR(kproc->tsp)) {
dev_err(dev, "failed to construct ti-sci proc control, ret = %d\n",
ret);
ret = PTR_ERR(kproc->tsp);
ret = dev_err_probe(dev, PTR_ERR(kproc->tsp),
"failed to construct ti-sci proc control\n");
goto put_sci;
}
ret = ti_sci_proc_request(kproc->tsp);
if (ret < 0) {
dev_err(dev, "ti_sci_proc_request failed, ret = %d\n", ret);
dev_err_probe(dev, ret, "ti_sci_proc_request failed\n");
goto free_tsp;
}
@ -753,15 +746,14 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret = k3_dsp_reserved_mem_init(kproc);
if (ret) {
dev_err(dev, "reserved memory init failed, ret = %d\n", ret);
dev_err_probe(dev, ret, "reserved memory init failed\n");
goto release_tsp;
}
ret = kproc->ti_sci->ops.dev_ops.is_on(kproc->ti_sci, kproc->ti_sci_id,
NULL, &p_state);
if (ret) {
dev_err(dev, "failed to get initial state, mode cannot be determined, ret = %d\n",
ret);
dev_err_probe(dev, ret, "failed to get initial state, mode cannot be determined\n");
goto release_mem;
}
@ -787,8 +779,7 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
if (data->uses_lreset) {
ret = reset_control_status(kproc->reset);
if (ret < 0) {
dev_err(dev, "failed to get reset status, status = %d\n",
ret);
dev_err_probe(dev, ret, "failed to get reset status\n");
goto release_mem;
} else if (ret == 0) {
dev_warn(dev, "local reset is deasserted for device\n");
@ -799,8 +790,7 @@ static int k3_dsp_rproc_probe(struct platform_device *pdev)
ret = rproc_add(rproc);
if (ret) {
dev_err(dev, "failed to add register device with remoteproc core, status = %d\n",
ret);
dev_err_probe(dev, ret, "failed to add register device with remoteproc core\n");
goto release_mem;
}
@ -813,13 +803,13 @@ release_mem:
release_tsp:
ret1 = ti_sci_proc_release(kproc->tsp);
if (ret1)
dev_err(dev, "failed to release proc, ret = %d\n", ret1);
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, ret = %d\n", ret1);
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret1));
free_rproc:
rproc_free(rproc);
return ret;
@ -836,7 +826,7 @@ static int k3_dsp_rproc_remove(struct platform_device *pdev)
ret = rproc_detach(rproc);
if (ret) {
/* Note this error path leaks resources */
dev_err(dev, "failed to detach proc, ret = %d\n", ret);
dev_err(dev, "failed to detach proc (%pe)\n", ERR_PTR(ret));
return 0;
}
}
@ -845,13 +835,13 @@ static int k3_dsp_rproc_remove(struct platform_device *pdev)
ret = ti_sci_proc_release(kproc->tsp);
if (ret)
dev_err(dev, "failed to release proc, ret = %d\n", ret);
dev_err(dev, "failed to release proc (%pe)\n", ERR_PTR(ret));
kfree(kproc->tsp);
ret = ti_sci_put_handle(kproc->ti_sci);
if (ret)
dev_err(dev, "failed to put ti_sci handle, ret = %d\n", ret);
dev_err(dev, "failed to put ti_sci handle (%pe)\n", ERR_PTR(ret));
k3_dsp_reserved_mem_exit(kproc);
rproc_free(kproc->rproc);