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[PATCH 1/3] dm9601: enable EP3 interrupt

From Joseph CHANG <josright123@gmail.com>
Newsgroups linux.kernel
Subject [PATCH 1/3] dm9601: enable EP3 interrupt
Date 2016-03-10 12:30 +0100
Message-ID <rb6X0-6lf-19@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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Enable chip's EP3 interrupt to get the link-up notify soon
immediately.

Signed-off-by: Joseph CHANG <josright123@gmail.com>
---
 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

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Thread

[PATCH 1/3] dm9601: enable EP3 interrupt Joseph CHANG <josright123@gmail.com> - 2016-03-10 12:30 +0100
  Re: [PATCH 1/3] dm9601: enable EP3 interrupt Peter Korsgaard <peter@korsgaard.com> - 2016-03-10 23:00 +0100
    RE: [PATCH 1/3] dm9601: enable EP3 interrupt "Joseph Chang" <joseph_chang@davicom.com.tw> - 2016-03-11 12:00 +0100

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