static int exynos4x12_power_off(struct samsung_usb2_phy_instance *inst)
{
struct samsung_usb2_phy_driver *drv = inst->drv;
struct samsung_usb2_phy_instance *device =
&drv->instances[EXYNOS4x12_DEVICE];
inst->enabled = 0;
exynos4x12_isol(inst, 1);
exynos4x12_phy_pwr(inst, 0);
if (inst->cfg->id == EXYNOS4x12_HSIC0 && !device->enabled) {
exynos4x12_isol(device, 1);
exynos4x12_phy_pwr(device, 0);
}
return 0;
}
static void exynos4x12_power_off_int(struct samsung_usb2_phy_instance *inst)
{
if (inst->int_cnt-- > 1)
return;
exynos4x12_isol(inst, 1);
exynos4x12_phy_pwr(inst, 0);
}
static void exynos4x12_power_on_int(struct samsung_usb2_phy_instance *inst)
{
if (inst->int_cnt++ > 0)
return;
exynos4x12_setup_clk(inst);
exynos4x12_isol(inst, 0);
exynos4x12_phy_pwr(inst, 1);
}
static int exynos4x12_power_on(struct samsung_usb2_phy_instance *inst)
{
struct samsung_usb2_phy_driver *drv = inst->drv;
inst->enabled = 1;
exynos4x12_setup_clk(inst);
exynos4x12_phy_pwr(inst, 1);
exynos4x12_isol(inst, 0);
/* Power on the device, as it is necessary for HSIC to work */
if (inst->cfg->id == EXYNOS4x12_HSIC0) {
struct samsung_usb2_phy_instance *device =
&drv->instances[EXYNOS4x12_DEVICE];
exynos4x12_phy_pwr(device, 1);
exynos4x12_isol(device, 0);
}
return 0;
}
