Documentation: USB: fix example bulk-message timeout

USB bulk-message timeouts are specified in milliseconds and should specifically not vary with CONFIG_HZ. Use a fixed five-second timeout in the "Writing USB Device Drivers" example. Signed-off-by: Johan Hovold <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Greg Kroah-Hartman <[email protected]>
vieko · Oct 26, 2021 · ebcf652 · ebcf652
1 parent e8d6336
commit ebcf652
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Documentation/driver-api/usb/writing_usb_driver.rst b/Documentation/driver-api/usb/writing_usb_driver.rst
@@ -234,7 +234,7 @@ error message. This can be shown with the following code::
 			   skel->bulk_in_endpointAddr),
 			   skel->bulk_in_buffer,
 			   skel->bulk_in_size,
-			   &count, HZ*10);
+			   &count, 5000);
     /* if the read was successful, copy the data to user space */
     if (!retval) {
 	    if (copy_to_user (buffer, skel->bulk_in_buffer, count))