Re: [PATCH 3/6] phy: core: Support regulator supply for PHY power

[Sergei Shtylyov]

Hello.

On 07/02/2014 04:03 PM, Roger Quadros wrote:

Some PHYs can be powered by an external power regulator.
e.g. USB_HS PHY on DRA7 SoC. Make the PHY core support a
power regulator.

Signed-off-by: Roger Quadros <rog...@ti.com>
---
  drivers/phy/phy-core.c  | 32 ++++++++++++++++++++++++++++++++
  include/linux/phy/phy.h |  2 ++
  2 files changed, 34 insertions(+)

diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 49c4465..d817107 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c

[...]

@@ -664,6 +689,10 @@ EXPORT_SYMBOL_GPL(devm_phy_create);
  void phy_destroy(struct phy *phy)
  {
        pm_runtime_disable(&phy->dev);
+
+       if (phy->pwr)
+               regulator_put(phy->pwr);

   regulator_put() already handles NULL pointer.

+
        device_unregister(&phy->dev);
  }
  EXPORT_SYMBOL_GPL(phy_destroy);
@@ -800,6 +829,9 @@ static void phy_release(struct device *dev)

        phy = to_phy(dev);
        dev_vdbg(dev, "releasing '%s'\n", dev_name(dev));
+       if (phy->pwr)
+               regulator_put(phy->pwr);

   Same comment here.

+
        ida_simple_remove(&phy_ida, phy->id);
        kfree(phy);
  }

WBR, Sergei

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