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Commit 7f4e9854 authored by Vikram Pandita's avatar Vikram Pandita Committed by Greg Kroah-Hartman
Browse files

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: default avatarVikram Pandita <vikram.pandita@ti.com>
Signed-off-by: default avatarAnand Gadiyar <gadiyar@ti.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ed7487c2

drivers/usb/misc/usbtest.c

+5 −2
Original line number Diff line number Diff line
@@ -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;