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rpmsg: qcom_smd: Fix fallback to qcom,ipc parse

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mbox_request_channel() returning value was changed in case of error.
It uses returning value of of_parse_phandle_with_args().
It is returning with -ENOENT instead of -ENODEV when no mboxes property
exists.

Fixes: 24fdd5074b ("mailbox: use error ret code of of_parse_phandle_with_args()")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Stephan Gerhold <stephan.gerhold@linaro.org>
Tested-by: Stephan Gerhold <stephan.gerhold@linaro.org> # msm8939
Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Link: https://lore.kernel.org/r/20250725-fix-qcom-smd-v2-1-e4e43613f874@mainlining.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Barnabás Czémán
2025-07-25 22:02:58 +02:00
committed by Bjorn Andersson
parent c8a8df494f
commit 09390ed9af
1 changed files with 1 additions and 1 deletions
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2
drivers/rpmsg/qcom_smd.c
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@@ -1368,7 +1368,7 @@ static int qcom_smd_parse_edge(struct device *dev,
edge->mbox_client.knows_txdone = true;
edge->mbox_chan = mbox_request_channel(&edge->mbox_client, 0);
if (IS_ERR(edge->mbox_chan)) {
if (PTR_ERR(edge->mbox_chan) != -ENODEV) {
if (PTR_ERR(edge->mbox_chan) != -ENOENT) {
ret = dev_err_probe(dev, PTR_ERR(edge->mbox_chan),
"failed to acquire IPC mailbox\n");
goto put_node;