@@ -1369,7 +1369,8 @@ static int qcom_smd_parse_edge(struct device *dev,
edge->mbox_chan = mbox_request_channel(&edge->mbox_client, 0);
if (IS_ERR(edge->mbox_chan)) {
if (PTR_ERR(edge->mbox_chan) != -ENODEV) {
- ret = PTR_ERR(edge->mbox_chan);
+ ret = dev_err_probe(dev, PTR_ERR(edge->mbox_chan),
+ "failed to acquire IPC mailbox\n");
goto put_node;
}
@@ -1386,6 +1387,7 @@ static int qcom_smd_parse_edge(struct device *dev,
of_node_put(syscon_np);
if (IS_ERR(edge->ipc_regmap)) {
ret = PTR_ERR(edge->ipc_regmap);
+ dev_err(dev, "failed to get regmap from syscon: %d\n", ret);
goto put_node;
}
@@ -1501,10 +1503,8 @@ struct qcom_smd_edge *qcom_smd_register_edge(struct device *parent,
}
ret = qcom_smd_parse_edge(&edge->dev, node, edge);
- if (ret) {
- dev_err(&edge->dev, "failed to parse smd edge\n");
+ if (ret)
goto unregister_dev;
- }
ret = qcom_smd_create_chrdev(edge);
if (ret) {
When the mailbox driver has not probed yet, the error message "failed to parse smd edge" is just going to confuse users, so improve the error prints a bit. Cover the last remaining exits from qcom_smd_parse_edge with proper error prints, especially the one for the mbox_chan deserved dev_err_probe to handle EPROBE_DEFER nicely. And add one for ipc_regmap also to be complete. With this done, we can remove the outer print completely. Signed-off-by: Luca Weiss <luca@z3ntu.xyz> --- Changes in v2: - Rebase on qcom for-next, drop dts patches which have been applied - Improve error printing situation (Bjorn) - Link to v1: https://lore.kernel.org/r/20240424-apcs-mboxes-v1-0-6556c47cb501@z3ntu.xyz --- drivers/rpmsg/qcom_smd.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- base-commit: 2c79712cc83b172ce26c3086ced1c1fae087d8fb change-id: 20240423-apcs-mboxes-12ee6c01a5b3 Best regards,