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authorRajendra Nayak <rnayak@codeaurora.org>2015-12-01 21:42:11 +0530
committerStephen Boyd <sboyd@codeaurora.org>2016-02-11 16:24:00 -0800
commitc2c7f0a47493ae23f9a76fabdbdd4f25e1de0925 (patch)
tree504a0b0db5ca155532ddd9445ec7be343c8bee40 /drivers/clk/qcom/common.c
parent7e0810c9485ce696df3813574bca44139f6eb0c8 (diff)
downloadlinux-c2c7f0a47493ae23f9a76fabdbdd4f25e1de0925.tar.bz2
clk: qcom: gdsc: Add support for hierarchical power domains
Some qcom SoCs' can have hierarchical power domains. Let the gdsc structs specify the parents (if any) and the driver add genpd subdomains for them. Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/qcom/common.c')
-rw-r--r--drivers/clk/qcom/common.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index 65809f1a1f2b..cc8a06534362 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -185,6 +185,7 @@ int qcom_cc_really_probe(struct platform_device *pdev,
struct clk **clks;
struct qcom_reset_controller *reset;
struct qcom_cc *cc;
+ struct gdsc_desc *scd;
size_t num_clks = desc->num_clks;
struct clk_regmap **rclks = desc->clks;
@@ -238,13 +239,22 @@ int qcom_cc_really_probe(struct platform_device *pdev,
return ret;
if (desc->gdscs && desc->num_gdscs) {
- ret = gdsc_register(dev, desc->gdscs, desc->num_gdscs,
- &reset->rcdev, regmap);
+ scd = devm_kzalloc(dev, sizeof(*scd), GFP_KERNEL);
+ if (!scd)
+ return -ENOMEM;
+ scd->dev = dev;
+ scd->scs = desc->gdscs;
+ scd->num = desc->num_gdscs;
+ ret = gdsc_register(scd, &reset->rcdev, regmap);
+ if (ret)
+ return ret;
+ ret = devm_add_action_or_reset(dev, qcom_cc_gdsc_unregister,
+ scd);
if (ret)
return ret;
}
- return devm_add_action_or_reset(dev, qcom_cc_gdsc_unregister, dev);
+ return 0;
}
EXPORT_SYMBOL_GPL(qcom_cc_really_probe);