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usb: gadget: tegra-xudc: Use phy_set_mode() to set/unset device mode 

When device mode is set/unset, VBUS override activity is done via
exported functions from padctl driver. Use phy_set_mode() instead.

Signed-off-by: Nagarjuna Kristam <nkristam@nvidia.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Nagarjuna Kristam 2020-02-10 13:41:37 +05:30 committed by Thierry Reding
parent b77f2ffe76
commit b9c9fd4a36
1 changed files with 7 additions and 5 deletions
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12
drivers/usb/gadget/udc/tegra-xudc.c
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@ -612,7 +612,7 @@ static void tegra_xudc_device_mode_on(struct tegra_xudc *xudc)
dev_dbg(xudc->dev, "device mode on\n");
tegra_xusb_padctl_set_vbus_override(xudc->padctl, true);
phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_DEVICE);
}
static void tegra_xudc_device_mode_off(struct tegra_xudc *xudc)
@ -627,7 +627,7 @@ static void tegra_xudc_device_mode_off(struct tegra_xudc *xudc)
reinit_completion(&xudc->disconnect_complete);
tegra_xusb_padctl_set_vbus_override(xudc->padctl, false);
phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG, USB_ROLE_NONE);
pls = (xudc_readl(xudc, PORTSC) & PORTSC_PLS_MASK) >>
PORTSC_PLS_SHIFT;
@ -714,9 +714,11 @@ static void tegra_xudc_plc_reset_work(struct work_struct *work)
if (pls == PORTSC_PLS_INACTIVE) {
dev_info(xudc->dev, "PLS = Inactive. Toggle VBUS\n");
tegra_xusb_padctl_set_vbus_override(xudc->padctl,
false);
tegra_xusb_padctl_set_vbus_override(xudc->padctl, true);
phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG,
USB_ROLE_NONE);
phy_set_mode_ext(xudc->utmi_phy, PHY_MODE_USB_OTG,
USB_ROLE_DEVICE);
xudc->wait_csc = false;
}
}