Re: Slow mobile broadband detection

[Dan Williams <dcbw redhat com>]

On Sun, 2011-06-19 at 15:48 +0200, D. Guandalino wrote:
> Hi, any news?

If you're able to test a kernel patch, try this for the option driver.
If that works for you I'll submit it upstream.

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 4e7d3b4..bcd6e90 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -441,6 +441,13 @@ static const struct option_blacklist_info alcatel_x200_blacklist = {
 	.reason = OPTION_BLACKLIST_SENDSETUP
 };
 
+static const u8 zte_0037_no_sendsetup[] = { 0, 1 };
+static const struct option_blacklist_info zte_0037_blacklist = {
+	.infolen = ARRAY_SIZE(zte_0037_no_sendsetup),
+	.ifaceinfo = zte_0037_no_sendsetup,
+	.reason = OPTION_BLACKLIST_SENDSETUP
+};
+
 static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
 	{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
@@ -671,7 +678,9 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0032, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0033, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0034, 0xff, 0xff, 0xff) },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0037, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&zte_0037_blacklist
+	},
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0038, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0039, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0040, 0xff, 0xff, 0xff) },