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SubjectRe: [PATCH v3] USB: serial: mos7720: defer state restore to a workqueue
On Thu, Nov 19, 2020 at 08:53:00PM -0800, Davidlohr Bueso wrote:
> The parallel port restore operation currently defers writes
> to a tasklet, if it sees a locked disconnect mutex. The
> driver goes to a lot of trouble to ensure writes happen
> in a non-blocking context, but things can be greatly
> simplified if it's done in regular process context and
> this is not a system performance critical path. As such,
> instead of doing the state restore writes in irq context,
> use a workqueue and just do regular synchronous writes.
>
> In addition to the cleanup, this also imposes less on the
> overall system as tasklets have been deprecated because
> of it's softirq implications, potentially blocking a higher
> priority task from running.
>
> Signed-off-by: Davidlohr Bueso <dbueso@suse.de>

Now applied, thanks!

Johan

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