diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/otg/nop-usb-xceiv.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c index 17c174f18da7..fbdcfef7169b 100644 --- a/drivers/usb/otg/nop-usb-xceiv.c +++ b/drivers/usb/otg/nop-usb-xceiv.c @@ -33,11 +33,13 @@ #include <linux/usb/nop-usb-xceiv.h> #include <linux/slab.h> #include <linux/clk.h> +#include <linux/regulator/consumer.h> struct nop_usb_xceiv { struct usb_phy phy; struct device *dev; struct clk *clk; + struct regulator *vcc; }; static struct platform_device *pd; @@ -70,6 +72,11 @@ static int nop_init(struct usb_phy *phy) { struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev); + if (!IS_ERR(nop->vcc)) { + if (regulator_enable(nop->vcc)) + dev_err(phy->dev, "Failed to enable power\n"); + } + if (!IS_ERR(nop->clk)) clk_enable(nop->clk); @@ -82,6 +89,11 @@ static void nop_shutdown(struct usb_phy *phy) if (!IS_ERR(nop->clk)) clk_disable(nop->clk); + + if (!IS_ERR(nop->vcc)) { + if (regulator_disable(nop->vcc)) + dev_err(phy->dev, "Failed to disable power\n"); + } } static int nop_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget) @@ -154,6 +166,12 @@ static int nop_usb_xceiv_probe(struct platform_device *pdev) } } + nop->vcc = devm_regulator_get(&pdev->dev, "vcc"); + if (IS_ERR(nop->vcc)) { + dev_dbg(&pdev->dev, "Error getting vcc regulator: %ld\n", + PTR_ERR(nop->vcc)); + } + nop->dev = &pdev->dev; nop->phy.dev = nop->dev; nop->phy.label = "nop-xceiv"; |