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clk: qcom: common: Add support for power-domain attachment

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Right now we support one power-domain per clock controller.
These single power-domains are switched on by the driver platform logic.

However when we have multiple power-domains attached to a clock-controller
that list of power-domains must be handled outside of driver platform
logic.

Use devm_pm_domain_attach_list() to automatically hook the list of given
power-domains in the dtsi for the clock-controller driver.

Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Reviewed-by: Vladimir Zapolskiy <vladimir.zapolskiy@linaro.org>
Link: https://lore.kernel.org/r/20250117-b4-linux-next-24-11-18-clock-multiple-power-domains-v10-3-13f2bb656dad@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
This commit is contained in:
Bryan O'Donoghue
2025-01-17 13:54:09 +00:00
committed by Bjorn Andersson
parent 65a7334645
commit ed5a0d065f
1 changed files with 5 additions and 0 deletions
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5
drivers/clk/qcom/common.c
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@@ -22,6 +22,7 @@ struct qcom_cc {
struct qcom_reset_controller reset;
struct clk_regmap **rclks;
size_t num_rclks;
struct dev_pm_domain_list *pd_list;
};
const
@@ -299,6 +300,10 @@ int qcom_cc_really_probe(struct device *dev,
if (!cc)
return -ENOMEM;
ret = devm_pm_domain_attach_list(dev, NULL, &cc->pd_list);
if (ret < 0 && ret != -EEXIST)
return ret;
reset = &cc->reset;
reset->rcdev.of_node = dev->of_node;
reset->rcdev.ops = &qcom_reset_ops;