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Date:   Wed, 5 Sep 2018 16:39:33 +0200
From:   Johan Hovold <johan@kernel.org>
To:     "Ji-Ze Hong (Peter Hong)" <hpeter@gmail.com>
Cc:     johan@kernel.org, gregkh@linuxfoundation.org,
        linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
        peter_hong@fintek.com.tw, hpeter+linux_kernel@gmail.com,
        Oliver Neukum <oneukum@suse.com>
Subject: Re: [PATCH V2 1/4] USB: serial: f81232: clear overrun flag
Message-ID: <20180905143933.GC1089@localhost>
References: <1535593634-22004-1-git-send-email-hpeter+linux_kernel@gmail.com>
 <1535593634-22004-2-git-send-email-hpeter+linux_kernel@gmail.com>
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On Thu, Aug 30, 2018 at 09:47:10AM +0800, Ji-Ze Hong (Peter Hong) wrote:
> The F81232 will report data and LSR with bulk like following format:
> bulk-in data: [LSR(1Byte)+DATA(1Byte)][LSR(1Byte)+DATA(1Byte)]...
> 
> LSR will auto clear frame/parity/break error flag when reading by H/W,
> but overrrun will only cleared when reading LSR. So this patch add a
> worker to read LSR when OE.
> 
> Cc: Oliver Neukum <oneukum@suse.com>
> Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
> ---
> v2:
>         1: Add flush_work(&port_priv->lsr_work) in f81232_close().
>            Thanks for notice by Oliver Neukum

Looks like you ignored Oliver's comment that you needed to take care of
any pending lsr work both and close and suspend.

Johan