Commit 049226b9 authored by Tony Lindgren's avatar Tony Lindgren Committed by Kishon Vijay Abraham I
Browse files

phy: cpcap-usb: Fix flakey host idling and enumerating of devices 



We must let the USB host idle things properly before we switch to debug
UART mode. Otherwise the USB host may never idle after disconnecting
devices, and that causes the next enumeration to be flakey.

Cc: Jacopo Mondi <jacopo@jmondi.org>
Cc: Marcel Partap <mpartap@gmx.net>
Cc: Merlijn Wajer <merlijn@wizzup.org>
Cc: Michael Scott <hashcode0f@gmail.com>
Cc: NeKit <nekit1000@gmail.com>
Cc: Pavel Machek <pavel@ucw.cz>
Cc: Sebastian Reichel <sre@kernel.org>
Acked-by: default avatarPavel Machek <pavel@ucw.cz>
Fixes: 6d6ce40f ("phy: cpcap-usb: Add CPCAP PMIC USB support")
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent cd217ee6

drivers/phy/motorola/phy-cpcap-usb.c

+2 −2
Original line number Diff line number Diff line
@@ -283,13 +283,13 @@ static void cpcap_usb_detect(struct work_struct *work) 
		return;

	}



	cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF);



	/* Default to debug UART mode */

	error = cpcap_usb_set_uart_mode(ddata);

	if (error)

		goto out_err;



	cpcap_usb_try_musb_mailbox(ddata, MUSB_VBUS_OFF);



	dev_dbg(ddata->dev, "set UART mode\n");



	return;