Messages in this thread | | | Date | Wed, 11 May 2016 09:58:02 -0400 | From | William Breathitt Gray <> | Subject | Re: [PATCH] watchdog: ebc-c384_wdt: Simplify ebc_c384_wdt_start timeout computation |
| |
On Wed, May 11, 2016 at 06:43:27AM -0700, Guenter Roeck wrote: >On Wed, May 11, 2016 at 09:05:51AM -0400, William Breathitt Gray wrote: >> The ebc_c384_wdt_set_timeout function already rounds up timeout values >> greater than 255 to a multiple of 60, so there is no need to round again >> in the ebc_c384_wdt_start function; a timeout value greater than 255 in >> ebc_c384_wdt_start will divide cleanly by 60. >> >... except if the timeout is set with the module parameter, which is now >rounded down, which would be a problem since it would time out earlier than >expected (a timeout of 299 seconds, set with the module parameter, would >time out after 240 seconds). So you would have to do some calculations >on the timeout value set with the module parameter to ensure that it is >set to a correct value. > >Guenter
Oops, I overlooked that scenario. Please ignore this patch as your are correct that a timeout set via module parameter would not necessarily be a multiple of 60; timeout in the start callback should indeed be rounded.
William Breathitt Gray
| |