Merge "soc: qcom: smem: Add support for suspend to disk" (0969a2a4) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/soc/qcom/smem.c

+35 −0

Original line number	Diff line number	Diff line
		@@ -1057,6 +1057,40 @@ static int qcom_smem_remove(struct platform_device *pdev)
		return 0;
		}

		static int qcom_smem_freeze(struct device *dev)
		{
		struct platform_device *pdev = container_of(dev, struct
		platform_device, dev);
		dev_dbg(dev, "%s\n", __func__);

		qcom_smem_remove(pdev);

		return 0;
		}

		static int qcom_smem_restore(struct device *dev)
		{
		int ret = 0;
		struct platform_device *pdev = container_of(dev, struct
		platform_device, dev);
		dev_dbg(dev, "%s\n", __func__);

		/*
		* SMEM related information has to fetched again
		* during resuming from Hibernation, Hence call probe.
		*/
		ret = qcom_smem_probe(pdev);
		if (ret)
		dev_err(dev, "Error getting SMEM information");

		return ret;
		}

		static const struct dev_pm_ops qcom_smem_pm_ops = {
		.freeze = qcom_smem_freeze,
		.restore = qcom_smem_restore,
		};

		static const struct of_device_id qcom_smem_of_match[] = {
		{ .compatible = "qcom,smem" },
		{}
		@@ -1070,6 +1104,7 @@ static struct platform_driver qcom_smem_driver = {
		.name = "qcom-smem",
		.of_match_table = qcom_smem_of_match,
		.suppress_bind_attrs = true,
		.pm = &qcom_smem_pm_ops,
		},
		};