From: Xu Yang <xu.yang_2@nxp.com>
Date: Sat, 14 Jun 2025 12:56:44 +0000 (+0800)
Subject: usb: chipidea: imx: add imx_usbmisc_pullup() hook
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=1a76b634da5e2b9ff240a0639f4af4fd075c9093;p=users%2Fjedix%2Flinux-maple.git

usb: chipidea: imx: add imx_usbmisc_pullup() hook

It's used to do other pullup related operations if needs.

Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20250614125645.207732-3-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/usb/chipidea/ci_hdrc_imx.h b/drivers/usb/chipidea/ci_hdrc_imx.h
index 88b8da79d518..cb95c84d0322 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.h
+++ b/drivers/usb/chipidea/ci_hdrc_imx.h
@@ -37,5 +37,6 @@ int imx_usbmisc_hsic_set_connect(struct imx_usbmisc_data *data);
 int imx_usbmisc_charger_detection(struct imx_usbmisc_data *data, bool connect);
 int imx_usbmisc_suspend(struct imx_usbmisc_data *data, bool wakeup);
 int imx_usbmisc_resume(struct imx_usbmisc_data *data, bool wakeup);
+int imx_usbmisc_pullup(struct imx_usbmisc_data *data, bool on);
 
 #endif /* __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H */
diff --git a/drivers/usb/chipidea/usbmisc_imx.c b/drivers/usb/chipidea/usbmisc_imx.c
index 118b9a68496b..9db67d6d0ec4 100644
--- a/drivers/usb/chipidea/usbmisc_imx.c
+++ b/drivers/usb/chipidea/usbmisc_imx.c
@@ -170,6 +170,9 @@ struct usbmisc_ops {
 	int (*charger_detection)(struct imx_usbmisc_data *data);
 	/* It's called when system resume from usb power lost */
 	int (*power_lost_check)(struct imx_usbmisc_data *data);
+	/* It's called when device controller changed pullup status */
+	void (*pullup)(struct imx_usbmisc_data *data, bool on);
+	/* It's called during suspend/resume to save power */
 	void (*vbus_comparator_on)(struct imx_usbmisc_data *data, bool on);
 };
 
@@ -1225,6 +1228,21 @@ int imx_usbmisc_charger_detection(struct imx_usbmisc_data *data, bool connect)
 }
 EXPORT_SYMBOL_GPL(imx_usbmisc_charger_detection);
 
+int imx_usbmisc_pullup(struct imx_usbmisc_data *data, bool on)
+{
+	struct imx_usbmisc *usbmisc;
+
+	if (!data)
+		return 0;
+
+	usbmisc = dev_get_drvdata(data->dev);
+	if (usbmisc->ops->pullup)
+		usbmisc->ops->pullup(data, on);
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(imx_usbmisc_pullup);
+
 int imx_usbmisc_suspend(struct imx_usbmisc_data *data, bool wakeup)
 {
 	struct imx_usbmisc *usbmisc;