Messages in this thread Patch in this message | | | Date | Mon, 11 Jan 2010 09:35:17 +0100 | From | Gernot Hillier <> | Subject | [PATCH 2/2] option.c: Add 4G W14 stick to blacklist for option_send_setup |
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From: Gernot Hillier <gernot@hillier.de>
The 4G XS Stick W14 seems to not understand RTS/DTR setting in option_send_setup causing long timeouts on any open() which disturbs a lot of well-known userspace applications like minicom or ModemManager.
Therefore, we enable OPTION_BLACKLIST_SENDSETUP blacklisting for it.
Signed-off-by: Gernot Hillier <gernot@hillier.de>
Index: linux-next/drivers/usb/serial/option.c =================================================================== --- linux-next.orig/drivers/usb/serial/option.c 2010-01-09 10:25:00.000000000 +0100 +++ linux-next/drivers/usb/serial/option.c 2010-01-09 10:25:05.000000000 +0100 @@ -357,6 +357,13 @@ struct option_blacklist_info { option_blacklist_reason_t reason; }; +static const u8 four_g_w14_no_sendsetup[] = { 0, 1 }; +static const struct option_blacklist_info four_g_w14_blacklist = { + .infolen = ARRAY_SIZE(four_g_w14_no_sendsetup), + .ifaceinfo = four_g_w14_no_sendsetup, + .reason = OPTION_BLACKLIST_SENDSETUP +}; + static struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) }, @@ -657,7 +664,9 @@ static struct usb_device_id option_ids[] { USB_DEVICE(ALCATEL_VENDOR_ID, ALCATEL_PRODUCT_X060S) }, { USB_DEVICE(AIRPLUS_VENDOR_ID, AIRPLUS_PRODUCT_MCD650) }, { USB_DEVICE(TLAYTECH_VENDOR_ID, TLAYTECH_PRODUCT_TEU800) }, - { USB_DEVICE(FOUR_G_SYSTEMS_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14) }, + { USB_DEVICE(FOUR_G_SYSTEMS_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14), + .driver_info = (kernel_ulong_t)&four_g_w14_blacklist + }, { USB_DEVICE(HAIER_VENDOR_ID, HAIER_PRODUCT_CE100) }, { } /* Terminating entry */ };
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