[PATCH v2 4/9] clk: qcom: create virtual child device for TSENS
From: Rajendra Nayak <hidden>
Date: 2015-09-16 06:25:20
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 | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-)
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index aa294b1..51db3a5 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)
@@ -3520,7 +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_alloc("qcom-tsens", -1); + if (!tsens) { + ret = -ENOMEM; + goto err_alloc; + } + + tsens->dev.parent = &pdev->dev; + ret = platform_device_add(tsens); + if (ret) + goto err_add; + return 0; +err_add: + platform_device_put(tsens); +err_alloc: + qcom_cc_remove(pdev); + return ret; } static int gcc_msm8960_remove(struct platform_device *pdev)
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation