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Commit 6d037db6 authored by Peter Chen's avatar Peter Chen Committed by Greg Kroah-Hartman
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usb: chipidea: remove the unnecessary delay after clear portsc.phcd 



The individual PHY driver should take this responsibility if it
needs to delay between clear portsc.phcd and let the phy leave
low power mode.

Signed-off-by: default avatarPeter Chen <peter.chen@freescale.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4a1d6cf1

drivers/usb/chipidea/core.c

+2 −8
Original line number Diff line number Diff line
@@ -196,18 +196,12 @@ static void ci_hdrc_enter_lpm(struct ci_hdrc *ci, bool enable) 
	enum ci_hw_regs reg = ci->hw_bank.lpm ? OP_DEVLC : OP_PORTSC;

	bool lpm = !!(hw_read(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm)));



	if (enable && !lpm) {

	if (enable && !lpm)

		hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm),

				PORTSC_PHCD(ci->hw_bank.lpm));

	} else  if (!enable && lpm) {

	else if (!enable && lpm)

		hw_write(ci, reg, PORTSC_PHCD(ci->hw_bank.lpm),

				0);

		/* 

		 * the PHY needs some time (less

		 * than 1ms) to leave low power mode.

		 */

		usleep_range(1000, 1100);

	}

}



static int hw_device_init(struct ci_hdrc *ci, void __iomem *base)