From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965881AbcCJLXy (ORCPT ); Thu, 10 Mar 2016 06:23:54 -0500 Received: from mail-pa0-f66.google.com ([209.85.220.66]:35159 "EHLO mail-pa0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965852AbcCJLXr (ORCPT ); Thu, 10 Mar 2016 06:23:47 -0500 From: Joseph CHANG To: Peter Korsgaard , netdev@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, Joseph CHANG Cc: Joseph Chang Subject: [PATCH 1/3] dm9601: enable EP3 interrupt Date: Thu, 10 Mar 2016 19:23:34 +0800 Message-Id: <1457609014-3597-1-git-send-email-josright123@gmail.com> X-Mailer: git-send-email 2.1.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enable chip's EP3 interrupt to get the link-up notify soon immediately. Signed-off-by: Joseph CHANG --- drivers/net/usb/dm9601.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c index 0b4bdd3..520de4f 100644 --- a/drivers/net/usb/dm9601.c +++ b/drivers/net/usb/dm9601.c @@ -46,6 +46,9 @@ #define DM_GPR_DATA 0x1f #define DM_CHIP_ID 0x2c #define DM_MODE_CTRL 0x91 /* only on dm9620 */ +#define DM_USB_CTRL 0xf4 + +#define USB_CTRL_EP3ACK 0x20 /* chip id values */ #define ID_DM9601 0 @@ -414,6 +417,9 @@ static int dm9601_bind(struct usbnet *dev, struct usb_interface *intf) goto out; } dm_write_reg(dev, DM_MODE_CTRL, mode & 0x7f); + + /* Always return 8-bytes data to host per interrupt-interval */ + dm_write_reg(dev, DM_USB_CTRL, USB_CTRL_EP3ACK); } /* power up phy */ -- 2.1.4