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authorTilman Schmidt <tilman@imap.cc>2009-05-13 12:44:18 +0000
committerDavid S. Miller <davem@davemloft.net>2009-05-17 20:51:27 -0700
commitb88bd95655c7bc059606529e01467594978d7b72 (patch)
treef5669760db7d97186d1c59b5bcf2b57f1bca5b56 /drivers/isdn
parent5a1888ea994bf6b28179255a376e83dfa53c81c5 (diff)
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>
Diffstat (limited to 'drivers/isdn')
-rw-r--r--drivers/isdn/gigaset/Kconfig7
-rw-r--r--drivers/isdn/gigaset/usb-gigaset.c62
2 files changed, 23 insertions, 46 deletions
diff --git a/drivers/isdn/gigaset/Kconfig b/drivers/isdn/gigaset/Kconfig
index 754b90d412e..18ab8652aa5 100644
--- a/drivers/isdn/gigaset/Kconfig
+++ b/drivers/isdn/gigaset/Kconfig
@@ -43,11 +43,4 @@ config GIGASET_DEBUG
This enables debugging code in the Gigaset drivers.
If in doubt, say yes.
-config GIGASET_UNDOCREQ
- bool "Support for undocumented USB requests"
- help
- This enables support for USB requests we only know from
- reverse engineering (currently M105 only). If you need
- features like configuration mode of M105, say yes.
-
endif # ISDN_DRV_GIGASET
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index d7838516609..4deb1ab0dbf 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -153,8 +153,6 @@ static inline unsigned tiocm_to_gigaset(unsigned state)
return ((state & TIOCM_DTR) ? 1 : 0) | ((state & TIOCM_RTS) ? 2 : 0);
}
-#ifdef CONFIG_GIGASET_UNDOCREQ
-/* WARNING: EXPERIMENTAL! */
static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
unsigned new_state)
{
@@ -176,6 +174,11 @@ static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
return 0;
}
+/*
+ * Set M105 configuration value
+ * using undocumented device commands reverse engineered from USB traces
+ * of the Siemens Windows driver
+ */
static int set_value(struct cardstate *cs, u8 req, u16 val)
{
struct usb_device *udev = cs->hw.usb->udev;
@@ -205,8 +208,10 @@ static int set_value(struct cardstate *cs, u8 req, u16 val)
return r < 0 ? r : (r2 < 0 ? r2 : 0);
}
-/* WARNING: HIGHLY EXPERIMENTAL! */
-// don't use this in an interrupt/BH
+/*
+ * set the baud rate on the internal serial adapter
+ * using the undocumented parameter setting command
+ */
static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
{
u16 val;
@@ -237,8 +242,10 @@ static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
return set_value(cs, 1, val);
}
-/* WARNING: HIGHLY EXPERIMENTAL! */
-// don't use this in an interrupt/BH
+/*
+ * set the line format on the internal serial adapter
+ * using the undocumented parameter setting command
+ */
static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
{
u16 val = 0;
@@ -274,24 +281,6 @@ static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
return set_value(cs, 3, val);
}
-#else
-static int gigaset_set_modem_ctrl(struct cardstate *cs, unsigned old_state,
- unsigned new_state)
-{
- return -ENOTTY;
-}
-
-static int gigaset_set_line_ctrl(struct cardstate *cs, unsigned cflag)
-{
- return -ENOTTY;
-}
-
-static int gigaset_baud_rate(struct cardstate *cs, unsigned cflag)
-{
- return -ENOTTY;
-}
-#endif
-
/*================================================================================================================*/
static int gigaset_init_bchannel(struct bc_state *bcs)
@@ -362,10 +351,8 @@ static void gigaset_modem_fill(unsigned long data)
} while (again);
}
-/**
- * gigaset_read_int_callback
- *
- * It is called if the data was received from the device.
+/*
+ * Interrupt Input URB completion routine
*/
static void gigaset_read_int_callback(struct urb *urb)
{
@@ -567,18 +554,19 @@ static int gigaset_chars_in_buffer(struct cardstate *cs)
return cs->cmdbytes;
}
+/*
+ * set the break characters on the internal serial adapter
+ * using undocumented device commands reverse engineered from USB traces
+ * of the Siemens Windows driver
+ */
static int gigaset_brkchars(struct cardstate *cs, const unsigned char buf[6])
{
-#ifdef CONFIG_GIGASET_UNDOCREQ
struct usb_device *udev = cs->hw.usb->udev;
gigaset_dbg_buffer(DEBUG_USBREQ, "brkchars", 6, buf);
memcpy(cs->hw.usb->bchars, buf, 6);
return usb_control_msg(udev, usb_sndctrlpipe(udev, 0), 0x19, 0x41,
0, 0, &buf, 6, 2000);
-#else
- return -ENOTTY;
-#endif
}
static int gigaset_freebcshw(struct bc_state *bcs)
@@ -625,7 +613,6 @@ static int gigaset_initcshw(struct cardstate *cs)
ucs->bchars[5] = 0x13;
ucs->bulk_out_buffer = NULL;
ucs->bulk_out_urb = NULL;
- //ucs->urb_cmd_out = NULL;
ucs->read_urb = NULL;
tasklet_init(&cs->write_tasklet,
&gigaset_modem_fill, (unsigned long) cs);
@@ -742,7 +729,7 @@ static int gigaset_probe(struct usb_interface *interface,
cs->dev = &interface->dev;
/* save address of controller structure */
- usb_set_intfdata(interface, cs); // dev_set_drvdata(&interface->dev, cs);
+ usb_set_intfdata(interface, cs);
endpoint = &hostif->endpoint[0].desc;
@@ -921,8 +908,7 @@ static const struct gigaset_ops ops = {
gigaset_m10x_input,
};
-/**
- * usb_gigaset_init
+/*
* This function is called while kernel-module is loaded
*/
static int __init usb_gigaset_init(void)
@@ -952,9 +938,7 @@ error:
return -1;
}
-
-/**
- * usb_gigaset_exit
+/*
* This function is called while unloading the kernel-module
*/
static void __exit usb_gigaset_exit(void)