Enable chip's EP3 interrupt to get the link-up notify soon
immediately.
Signed-off-by: Joseph CHANG <josright...@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
