linux-kernel - Re: [PATCH] staging: pi433: add descriptions for mutex locks

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Date:   Sun, 25 Mar 2018 15:00:09 +0200
From:   Marcus Wolf <marcus.wolf@...rthome-wolf.de>
To:     Valentin Vidic <Valentin.Vidic@...Net.hr>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Simon Sandström <simon@...anor.nu>,
        Marcus Wolf <linux@...f-Entwicklungen.de>,
        Luca Söthe <luca@...l.me>,
        Marcin Ciupak <marcin.s.ciupak@...il.com>,
        Michael Panzlaff <michael.panzlaff@....de>,
        Derek Robson <robsonde@...il.com>, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: pi433: add descriptions for mutex locks

Hi Valentin,

> But I have an idea to remove this kfifo_reset call in pi433_write
> handling partial message writes:
> 
>   kfifo_reset(&device->tx_fifo); // TODO: maybe find a solution, not to discard already stored, valid entries
> 
> The writer could acquire the lock and than use kfifo_avail to check if
> there is enough space to write the whole message.  What do you think?

Unfortunaly I can't find the time to have a closer look on the code this
weekend - still busy with tax stuff :-(

Idea sounds great. I'll try to look at the code and think about it
during Easter hollidays.

Cheers,

Marcus

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