On 2023-08-27 09:01:32 GMT+02:00, Greg KH wrote: > On Thu, Aug 24, 2023 at 04:26:10PM +0200, Aleksa Savic wrote: >> On 2023-08-24 16:15:00 GMT+02:00, Aleksa Savic wrote: >>> commit 56b930dcd88c2adc261410501c402c790980bdb5 upstream. >>> >>> Add a 200ms delay after sending a ctrl report to Quadro, >>> Octo, D5 Next and Aquaero to give them enough time to >>> process the request and save the data to memory. Otherwise, >>> under heavier userspace loads where multiple sysfs entries >>> are usually set in quick succession, a new ctrl report could >>> be requested from the device while it's still processing the >>> previous one and fail with -EPIPE. The delay is only applied >>> if two ctrl report operations are near each other in time. >>> >>> Reported by a user on Github [1] and tested by both of us. >>> >>> [1] https://github.com/aleksamagicka/aquacomputer_d5next-hwmon/issues/82 >>> >>> Fixes: 752b927951ea ("hwmon: (aquacomputer_d5next) Add support for Aquacomputer Octo") >>> Signed-off-by: Aleksa Savic <savicaleksa83@xxxxxxxxx> >>> --- >>> This is a backport of the upstream commit to v6.1. No functional >>> changes, except that Aquaero support first appeared in >>> v6.3, so that part of the original is not included here. >>> --- >> >> Just noticed that I left in the Aquaero mention in the commit >> message, sorry for the omission... Do I need to resend? > > Nah, that's fine, we want to keep the changelog identical, I left your > note in the signed-off-by area explaining it. > > thanks, > > greg k-h Ah, I see, thanks! Aleksa