linux-kernel - Re: [PATCH 2/2] cdc-acm: correct counting of UART states in serial state notification

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Date:   Tue, 2 Oct 2018 10:34:14 -0700
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Tobias Herzog <t-herzog@....de>
Cc:     oneukum@...e.com, linux-usb@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] cdc-acm: correct counting of UART states in serial
 state notification

On Sat, Sep 22, 2018 at 10:11:11PM +0200, Tobias Herzog wrote:
> The usb standard ("Universal Serial Bus Class Definitions for Communication
> Devices") distiguishes between "consistent signals" (DSR, DCD), and
> "irregular signals" (break, ring, parity error, framing error, overrun).
> The bits of "irregular signals" are set, if this error/event occurred on
> the device side and are immeadeatly unset, if the serial state notification
> was sent.
> Like other drivers of real serial ports do, just the occurence of those
> events should be counted in serial_icounter_struct (but no 1->0
> transitions).
> 
> Signed-off-by: Tobias Herzog <t-herzog@....de>
> ---
>  drivers/usb/class/cdc-acm.c | 14 +++++++-------
>  1 file changed, 7 insertions(+), 7 deletions(-)

Oliver, any thoughts about this patch series?

thanks,

greg k-h