Unverified Commit 5523f06a authored by Peter Chen's avatar Peter Chen
Browse files

usb: chipidea: pull down dp for possible charger detection operation 



The bootloader may use device mode, and keep dp up. We need dp
to be pulled down before possbile charger detection operation.

Signed-off-by: default avatarPeter Chen <peter.chen@nxp.com>
parent 746f316b

drivers/usb/chipidea/core.c

+4 −1
Original line number Diff line number Diff line
@@ -1123,8 +1123,11 @@ static int ci_hdrc_probe(struct platform_device *pdev) 


	if (!ci_otg_is_fsm_mode(ci)) {

		/* only update vbus status for peripheral */

		if (ci->role == CI_ROLE_GADGET)

		if (ci->role == CI_ROLE_GADGET) {

			/* Pull down DP for possible charger detection */

			hw_write(ci, OP_USBCMD, USBCMD_RS, 0);

			ci_handle_vbus_change(ci);

		}



		ret = ci_role_start(ci, ci->role);

		if (ret) {

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