[PATCH v3 4/9] clk: qcom: create virtual child device for TSENS
From: Rajendra Nayak <hidden>
Date: 2015-10-08 05:01:45
Also in:
linux-arm-msm, linux-pm
Subsystem:
arm/qualcomm mailing list, common clk framework, qualcomm clock drivers, the rest · Maintainers:
Michael Turquette, Stephen Boyd, Bjorn Andersson, Linus Torvalds
8960 family of devices have TSENS as part of GCC in hardware. Hence DT would represent a GCC node with GCC properties as well as TSENS. Create a virtual platform child device here for TSENS so the driver can probe it and use the parent (GCC) to extract DT properties. Suggested-by: Stephen Boyd <redacted> Signed-off-by: Rajendra Nayak <redacted> --- drivers/clk/qcom/gcc-msm8960.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index aa294b1..86d85e5 100644
--- a/drivers/clk/qcom/gcc-msm8960.c
+++ b/drivers/clk/qcom/gcc-msm8960.c@@ -3506,6 +3506,8 @@ static int gcc_msm8960_probe(struct platform_device *pdev) struct clk *clk; struct device *dev = &pdev->dev; const struct of_device_id *match; + struct platform_device *tsens; + int ret; match = of_match_device(gcc_msm8960_match_table, &pdev->dev); if (!match)
@@ -3520,11 +3522,26 @@ static int gcc_msm8960_probe(struct platform_device *pdev) if (IS_ERR(clk)) return PTR_ERR(clk); - return qcom_cc_probe(pdev, match->data); + ret = qcom_cc_probe(pdev, match->data); + if (ret) + return ret; + + tsens = platform_device_register_data(&pdev->dev, "qcom-tsens", -1, + NULL, 0); + if (IS_ERR(tsens)) { + qcom_cc_remove(pdev); + return PTR_ERR(tsens); + } + platform_set_drvdata(pdev, tsens); + + return 0; } static int gcc_msm8960_remove(struct platform_device *pdev) { + struct platform_device *tsens = platform_get_drvdata(pdev); + + platform_device_unregister(tsens); qcom_cc_remove(pdev); return 0; }
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