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Message-ID: <1580815025-10915-12-git-send-email-nkristam@nvidia.com>
Date: Tue, 4 Feb 2020 16:46:57 +0530
From: Nagarjuna Kristam <nkristam@...dia.com>
To: <balbi@...nel.org>, <gregkh@...uxfoundation.org>,
<thierry.reding@...il.com>, <jonathanh@...dia.com>,
<mark.rutland@....com>, <robh+dt@...nel.org>, <kishon@...com>
CC: <devicetree@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
<linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
Nagarjuna Kristam <nkristam@...dia.com>
Subject: [Patch V4 11/19] usb: gadget: tegra-xudc: use phy_set_mode to set/unset device mode
When device mode is set/uset, VBUS override activity is done via
exported functions from padctl driver. Use phy_set_mode() instead.
Signed-off-by: Nagarjuna Kristam <nkristam@...dia.com>
---
V4:
- Updated commit message as per comments from Thierry.
---
V2-V3:
- No changes in this version
---
drivers/usb/gadget/udc/tegra-xudc.c | 12 +++++++-----
1 file changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
index 7411dd15..a2299ee 100644
--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -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;
}
}
--
2.7.4
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