Commit 905276c4 authored Feb 11, 2015 by Daniel Tang Committed by Greg Kroah-Hartman Mar 18, 2015

Chipidea: Set connect-at-fullspeed bit when entering host mode if...

Chipidea: Set connect-at-fullspeed bit when entering host mode if CI_HDRC_FORCE_FULLSPEED is set in the platform data

PORTSC_PFSC is not set on entering host mode which means the USB OTG
controller will attempt to enumerate USB devices at high speed even when the
CI_HDRC_FORCE_FULLSPEED flag is set in the platform data.

This patch ensures it is set right before host mode operations begin if needed.

Signed-off-by: Daniel Tang <dt.tangr@gmail.com>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 89200448

drivers/usb/chipidea/host.c

+3 −0

Original line number	Original line	Diff line number	Diff line
	@@ -133,6 +133,9 @@ static int host_start(struct ci_hdrc *ci)
	if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)		if (ci->platdata->flags & CI_HDRC_DISABLE_STREAMING)
	hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);		hw_write(ci, OP_USBMODE, USBMODE_CI_SDIS, USBMODE_CI_SDIS);

			if (ci->platdata->flags & CI_HDRC_FORCE_FULLSPEED)
			hw_write(ci, OP_PORTSC, PORTSC_PFSC, PORTSC_PFSC);

	return ret;		return ret;

	put_hcd:		put_hcd: