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usb: ohci-da8xx: let the regulator framework keep track of use count 

There's no reason to have a separate variable to keep track of the
regulator state. The regulator core already does that. Remove
reg_enabled from struct da8xx_ohci_hcd.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
This commit is contained in:
Bartosz Golaszewski 2019-04-12 14:36:36 +02:00 committed by Sekhar Nori
parent 3ea9ae57b4
commit 8e2f5eae24
1 changed files with 2 additions and 6 deletions
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8
drivers/usb/host/ohci-da8xx.c
View File

@ -40,7 +40,6 @@ struct da8xx_ohci_hcd {
struct phy *usb11_phy;
struct regulator *vbus_reg;
struct notifier_block nb;
unsigned int reg_enabled;
struct gpio_desc *vbus_gpio;
struct gpio_desc *oc_gpio;
};
@ -100,21 +99,18 @@ static int ohci_da8xx_set_power(struct usb_hcd *hcd, int on)
if (!da8xx_ohci->vbus_reg)
return 0;
if (on && !da8xx_ohci->reg_enabled) {
if (on) {
ret = regulator_enable(da8xx_ohci->vbus_reg);
if (ret) {
dev_err(dev, "Failed to enable regulator: %d\n", ret);
return ret;
}
da8xx_ohci->reg_enabled = 1;
} else if (!on && da8xx_ohci->reg_enabled) {
} else {
ret = regulator_disable(da8xx_ohci->vbus_reg);
if (ret) {
dev_err(dev, "Failed to disable regulator: %d\n", ret);
return ret;
}
da8xx_ohci->reg_enabled = 0;
}
return 0;