diff options
| author | Vikram Pandita | 2009-11-09 21:24:32 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2009-12-11 11:55:22 -0800 |
| commit | 7f4e985448e82fe4a1cc0ae4fcecaf7e0301c07b (patch) | |
| tree | 53325354cd6ceac171944c77cd921a0b5c630c3b /drivers | |
| parent | ed7487c2c28560a6b06900851ab63ebca1aea444 (diff) | |
usbtest: make module param pattern writeable
Allow module_param to be writeable. This allows us to change
the parameter if usbtest is built-in in the kernel.
Signed-off-by: Vikram Pandita <vikram.pandita@ti.com>
Signed-off-by: Anand Gadiyar <gadiyar@ti.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index a9f06d76960f..3dab0c0b196f 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -213,8 +213,9 @@ static struct urb *simple_alloc_urb ( } static unsigned pattern = 0; -module_param (pattern, uint, S_IRUGO); -MODULE_PARM_DESC(pattern, "i/o pattern (0 == zeroes)"); +static unsigned mod_pattern; +module_param_named(pattern, mod_pattern, uint, S_IRUGO | S_IWUSR); +MODULE_PARM_DESC(mod_pattern, "i/o pattern (0 == zeroes)"); static inline void simple_fill_buf (struct urb *urb) { @@ -1567,6 +1568,8 @@ usbtest_ioctl (struct usb_interface *intf, unsigned int code, void *buf) // FIXME USBDEVFS_CONNECTINFO doesn't say how fast the device is. + pattern = mod_pattern; + if (code != USBTEST_REQUEST) return -EOPNOTSUPP; |