diff options
| author |   Xu Yang <xu.yang_2@nxp.com> | 2025-06-14 20:56:43 +0800 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-06-19 12:28:25 +0200 |
| commit | 78c76554c6b94dfa5e101b870f0c57b6c230503e (patch) | |
| tree | fecd4e75012518a6e886286ab40b05d7a7561897 | |
| parent | usb: typec: intel_pmc_mux: Defer probe if SCU IPC isn't present (diff) | |
| download | wireguard-linux-78c76554c6b94dfa5e101b870f0c57b6c230503e.tar.xz wireguard-linux-78c76554c6b94dfa5e101b870f0c57b6c230503e.zip | |
usb: chipidea: udc: add CI_HDRC_CONTROLLER_PULLUP_EVENT event
The device controller will send CI_HDRC_CONTROLLER_PULLUP_EVENT event
when it's going to pullup or pulldown data line.
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20250614125645.207732-2-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 5 | ||||
| -rw-r--r-- | include/linux/usb/chipidea.h | 1 |
2 files changed, 6 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 8a9b31fd5c89..8ec9817d3311 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -1970,6 +1970,11 @@ static int ci_udc_pullup(struct usb_gadget *_gadget, int is_on) hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); else hw_write(ci, OP_USBCMD, USBCMD_RS, 0); + + if (ci->platdata->notify_event) { + _gadget->connected = is_on; + ci->platdata->notify_event(ci, CI_HDRC_CONTROLLER_PULLUP_EVENT); + } pm_runtime_put_sync(ci->dev); return 0; diff --git a/include/linux/usb/chipidea.h b/include/linux/usb/chipidea.h index ebdfef124b2b..e17ebeee24e3 100644 --- a/include/linux/usb/chipidea.h +++ b/include/linux/usb/chipidea.h @@ -72,6 +72,7 @@ struct ci_hdrc_platform_data { #define CI_HDRC_IMX_HSIC_ACTIVE_EVENT 2 #define CI_HDRC_IMX_HSIC_SUSPEND_EVENT 3 #define CI_HDRC_CONTROLLER_VBUS_EVENT 4 +#define CI_HDRC_CONTROLLER_PULLUP_EVENT 5 int (*notify_event) (struct ci_hdrc *ci, unsigned event); struct regulator *reg_vbus; struct usb_otg_caps ci_otg_caps; |