Re: [PATCH 07/23] interconnect: qcom: rpm: fix probe PM domain error handling
From: Christophe JAILLET <hidden>
Date: 2023-03-11 18:18:03
Also in:
linux-arm-msm, linux-pm, linux-samsung-soc, linux-tegra, lkml, stable
Le 01/02/2023 à 11:15, Johan Hovold a écrit :
quoted hunk ↗ jump to hunk
Make sure to disable clocks also in case attaching the power domain fails. Fixes: 7de109c0abe9 ("interconnect: icc-rpm: Add support for bus power domain") Cc: stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org # 5.17 Cc: Yassine Oudjana <y.oudjana-g/b1ySJe57IN+BqQ9rBEUg@public.gmane.org> Signed-off-by: Johan Hovold <redacted> --- drivers/interconnect/qcom/icc-rpm.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-)diff --git a/drivers/interconnect/qcom/icc-rpm.c b/drivers/interconnect/qcom/icc-rpm.c index 91778cfcbc65..da595059cafd 100644 --- a/drivers/interconnect/qcom/icc-rpm.c +++ b/drivers/interconnect/qcom/icc-rpm.c@@ -498,8 +498,7 @@ int qnoc_probe(struct platform_device *pdev) if (desc->has_bus_pd) { ret = dev_pm_domain_attach(dev, true); - if (ret) - return ret; + goto err_disable_clks;
Hi, this change looks strange because we now skip the rest of the function. Is it really intended? Also, should dev_pm_domain_detach() be called somewhere in the error handling path and remove function ? CJ
quoted hunk ↗ jump to hunk
} provider = &qp->provider;@@ -514,8 +513,7 @@ int qnoc_probe(struct platform_device *pdev) ret = icc_provider_add(provider); if (ret) { dev_err(dev, "error adding interconnect provider: %d\n", ret); - clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks); - return ret; + goto err_disable_clks; } for (i = 0; i < num_nodes; i++) {@@ -550,8 +548,9 @@ int qnoc_probe(struct platform_device *pdev) return 0; err: icc_nodes_remove(provider); - clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks); icc_provider_del(provider); +err_disable_clks: + clk_bulk_disable_unprepare(qp->num_clks, qp->bus_clks); return ret; }
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