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Date: Wed, 5 Sep 2018 16:39:33 +0200 From: Johan Hovold <johan@...nel.org> To: "Ji-Ze Hong (Peter Hong)" <hpeter@...il.com> Cc: johan@...nel.org, gregkh@...uxfoundation.org, linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, peter_hong@...tek.com.tw, hpeter+linux_kernel@...il.com, Oliver Neukum <oneukum@...e.com> Subject: Re: [PATCH V2 1/4] USB: serial: f81232: clear overrun flag 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@...e.com> > Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@...il.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
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