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gigaset: remove UNDOCREQ config option
Drop the kernel config option GIGASET_UNDOCREQ, permanently activating the code it controlled, as there have been no reports of problems caused by its activation but many problems caused by it being disabled. Also fix a few bad comments while we're at it. Impact: cleanup Signed-off-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Tilman Schmidt
David S. Miller
parent
5a1888ea99
commit
b88bd95655
3 changed files with 28 additions and 74 deletions
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@ -149,10 +149,8 @@ GigaSet 307x Device Driver
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configuration files and chat scripts in the gigaset-VERSION/ppp directory
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in the driver packages from http://sourceforge.net/projects/gigaset307x/.
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Please note that the USB drivers are not able to change the state of the
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control lines (the M105 driver can be configured to use some undocumented
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control requests, if you really need the control lines, though). This means
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you must use "Stupid Mode" if you are using wvdial or you should use the
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nocrtscts option of pppd.
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control lines. This means you must use "Stupid Mode" if you are using
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wvdial or you should use the nocrtscts option of pppd.
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You must also assure that the ppp_async module is loaded with the parameter
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flag_time=0. You can do this e.g. by adding a line like
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@ -190,20 +188,7 @@ GigaSet 307x Device Driver
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You can also use /sys/class/tty/ttyGxy/cidmode for changing the CID mode
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setting (ttyGxy is ttyGU0 or ttyGB0).
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2.6. M105 Undocumented USB Requests
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------------------------------
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The Gigaset M105 USB data box understands a couple of useful, but
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undocumented USB commands. These requests are not used in normal
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operation (for wireless access to the base), but are needed for access
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to the M105's own configuration mode (registration to the base, baudrate
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and line format settings, device status queries) via the gigacontr
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utility. Their use is controlled by the kernel configuration option
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"Support for undocumented USB requests" (CONFIG_GIGASET_UNDOCREQ). If you
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encounter error code -ENOTTY when trying to use some features of the
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M105, try setting that option to "y" via 'make {x,menu}config' and
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recompiling the driver.
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2.7. Unregistered Wireless Devices (M101/M105)
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2.6. Unregistered Wireless Devices (M101/M105)
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-----------------------------------------
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The main purpose of the ser_gigaset and usb_gigaset drivers is to allow
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the M101 and M105 wireless devices to be used as ISDN devices for ISDN
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@ -215,8 +200,7 @@ GigaSet 307x Device Driver
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driver. In that situation, a restricted set of functions is available
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which includes, in particular, those necessary for registering the device
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to a base or for switching it between Fixed Part and Portable Part
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modes. For the M105, these commands require the "Support for undocumented
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USB requests" configuration option (see section 2.6.) to be enabled.
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modes.
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3. Troubleshooting
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---------------
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@ -246,20 +230,13 @@ GigaSet 307x Device Driver
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Solution:
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Select Unimodem mode for all DECT data adapters. (see section 2.4.)
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Problem:
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You want to configure your USB DECT data adapter (M105) but gigacontr
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reports an error: "/dev/ttyGU0: Inappropriate ioctl for device".
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Solution:
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Recompile the usb_gigaset driver with the kernel configuration option
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CONFIG_GIGASET_UNDOCREQ set to 'y'. (see section 2.6.)
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Problem:
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Messages like this:
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usb_gigaset 3-2:1.0: Could not initialize the device.
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appear in your syslog.
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Solution:
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Check whether your M10x wireless device is correctly registered to the
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Gigaset base. (see section 2.7.)
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Gigaset base. (see section 2.6.)
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3.2. Telling the driver to provide more information
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----------------------------------------------
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@ -43,11 +43,4 @@ config GIGASET_DEBUG
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This enables debugging code in the Gigaset drivers.
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If in doubt, say yes.
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config GIGASET_UNDOCREQ
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bool "Support for undocumented USB requests"
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help
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This enables support for USB requests we only know from
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reverse engineering (currently M105 only). If you need
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features like configuration mode of M105, say yes.
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endif # ISDN_DRV_GIGASET
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@ -153,8 +153,6 @@ static inline unsigned tiocm_to_gigaset(unsigned state)
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return ((state & TIOCM_DTR) ? 1 : 0) | ((state & TIOCM_RTS) ? 2 : 0);
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}
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#ifdef CONFIG_GIGASET_UNDOCREQ
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/* WARNING: EXPERIMENTAL! */
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static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
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unsigned new_state)
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{
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@ -176,6 +174,11 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
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return 0;
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}
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/*
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* Set M105 configuration value
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* using undocumented device commands reverse engineered from USB traces
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* of the Siemens Windows driver
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*/
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static int set_value(struct cardstate *cs, u8 req, u16 val)
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{
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struct usb_device *udev = cs->hw.usb->udev;
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@ -205,8 +208,10 @@ static int set_value(struct cardstate *cs, u8 req, u16 val)
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return r < 0 ? r : (r2 < 0 ? r2 : 0);
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}
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/* WARNING: HIGHLY EXPERIMENTAL! */
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// don't use this in an interrupt/BH
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/*
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* set the baud rate on the internal serial adapter
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* using the undocumented parameter setting command
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*/
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static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
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{
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u16 val;
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@ -237,8 +242,10 @@ static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
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return set_value(cs, 1, val);
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}
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/* WARNING: HIGHLY EXPERIMENTAL! */
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// don't use this in an interrupt/BH
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/*
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* set the line format on the internal serial adapter
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* using the undocumented parameter setting command
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*/
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static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
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{
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u16 val = 0;
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@ -274,24 +281,6 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
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return set_value(cs, 3, val);
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}
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#else
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static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
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unsigned new_state)
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{
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return -ENOTTY;
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}
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static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
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{
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return -ENOTTY;
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}
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static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
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{
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return -ENOTTY;
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}
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#endif
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/*================================================================================================================*/
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static int gigaset_init_bchannel(struct bc_state *bcs)
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@ -362,10 +351,8 @@ static void gigaset_modem_fill(unsigned long data)
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} while (again);
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}
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/**
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* gigaset_read_int_callback
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*
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* It is called if the data was received from the device.
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/*
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* Interrupt Input URB completion routine
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*/
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static void gigaset_read_int_callback(struct urb *urb)
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{
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@ -567,18 +554,19 @@ static int gigaset_chars_in_buffer(struct cardstate *cs)
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return cs->cmdbytes;
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}
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/*
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* set the break characters on the internal serial adapter
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* using undocumented device commands reverse engineered from USB traces
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* of the Siemens Windows driver
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*/
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static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
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{
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#ifdef CONFIG_GIGASET_UNDOCREQ
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struct usb_device *udev = cs->hw.usb->udev;
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gigaset_dbg_buffer(DEBUG_USBREQ, "brkchars", 6, buf);
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memcpy(cs->hw.usb->bchars, buf, 6);
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return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41,
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0, 0, &buf, 6, 2000);
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#else
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return -ENOTTY;
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#endif
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}
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static int gigaset_freebcshw(struct bc_state *bcs)
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@ -625,7 +613,6 @@ static int gigaset_initcshw(struct cardstate *cs)
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ucs->bchars[5] = 0x13;
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ucs->bulk_out_buffer = NULL;
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ucs->bulk_out_urb = NULL;
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//ucs->urb_cmd_out = NULL;
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ucs->read_urb = NULL;
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tasklet_init(&cs->write_tasklet,
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&gigaset_modem_fill, (unsigned long) cs);
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@ -742,7 +729,7 @@ static int gigaset_probe(struct usb_interface *interface,
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cs->dev = &interface->dev;
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/* save address of controller structure */
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usb_set_intfdata(interface, cs); // dev_set_drvdata(&interface->dev, cs);
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usb_set_intfdata(interface, cs);
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endpoint = &hostif->endpoint[0].desc;
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@ -921,8 +908,7 @@ static const struct gigaset_ops ops = {
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gigaset_m10x_input,
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};
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/**
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* usb_gigaset_init
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/*
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* This function is called while kernel-module is loaded
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*/
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static int __init usb_gigaset_init(void)
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@ -952,9 +938,7 @@ error:
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return -1;
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}
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/**
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* usb_gigaset_exit
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/*
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* This function is called while unloading the kernel-module
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*/
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static void __exit usb_gigaset_exit(void)
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