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interconnect: qcom: icc-rpmh: probe defer incase of missing QoS clock dependency

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[ Upstream commit 05123e3299dd6aa02508469b303262338c2a661c ]

Return -EPROBE_DEFER from interconnect provider incase probe defer is
received from devm_clk_bulk_get_all(). This would help in reattempting
the inteconnect driver probe, once the required QoS clocks are
available.

Suggested-by: Bjorn Andersson <andersson@kernel.org>
Signed-off-by: Raviteja Laggyshetty <quic_rlaggysh@quicinc.com>
Reviewed-by: Konrad Dybcio <konradybcio@kernel.org>
Fixes: 0a7be6b35da8 ("interconnect: qcom: icc-rpmh: Add QoS configuration support")
Link: https://lore.kernel.org/r/20240911094516.16901-1-quic_rlaggysh@quicinc.com
Signed-off-by: Georgi Djakov <djakov@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Raviteja Laggyshetty 2024-09-11 09:45:16 +00:00 committed by Greg Kroah-Hartman
parent 14367e7170
commit 00ded066e7
1 changed files with 3 additions and 0 deletions
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3
drivers/interconnect/qcom/icc-rpmh.c
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@ -311,6 +311,9 @@ int qcom_icc_rpmh_probe(struct platform_device *pdev)
}
qp->num_clks = devm_clk_bulk_get_all(qp->dev, &qp->clks);
if (qp->num_clks == -EPROBE_DEFER)
return dev_err_probe(dev, qp->num_clks, "Failed to get QoS clocks\n");
if (qp->num_clks < 0 || (!qp->num_clks && desc->qos_clks_required)) {
dev_info(dev, "Skipping QoS, failed to get clk: %d\n", qp->num_clks);
goto skip_qos_config;