From: Oliver Neukum <oneukum@suse.com>
To: "Ji-Ze Hong \(Peter Hong\)" <hpeter@gmail.com>,
peter_hong@fintek.com.tw, johan@kernel.org,
gregkh@linuxfoundation.org
Cc: "Ji-Ze Hong \(Peter Hong\)" <hpeter+linux_kernel@gmail.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: [V6,1/3] USB: serial: f81232: clear overrun flag
Date: Wed, 03 Apr 2019 12:36:31 +0200 [thread overview]
Message-ID: <1554287791.20869.6.camel@suse.com> (raw)
On Mi, 2019-04-03 at 16:40 +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 overrun and flush the worker on close() &
> suspend().
>
> Cc: Oliver Neukum <oneukum@suse.com>
> Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
Reviewed-by: Oliver Neukum <oneukum@suse.com>
WARNING: multiple messages have this Message-ID (diff)
From: Oliver Neukum <oneukum@suse.com>
To: "Ji-Ze Hong (Peter Hong)" <hpeter@gmail.com>,
peter_hong@fintek.com.tw, johan@kernel.org,
gregkh@linuxfoundation.org
Cc: "Ji-Ze Hong (Peter Hong)" <hpeter+linux_kernel@gmail.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: [PATCH V6 1/3] USB: serial: f81232: clear overrun flag
Date: Wed, 03 Apr 2019 12:36:31 +0200 [thread overview]
Message-ID: <1554287791.20869.6.camel@suse.com> (raw)
In-Reply-To: <1554280832-29286-1-git-send-email-hpeter+linux_kernel@gmail.com>
On Mi, 2019-04-03 at 16:40 +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 overrun and flush the worker on close() &
> suspend().
>
> Cc: Oliver Neukum <oneukum@suse.com>
> Signed-off-by: Ji-Ze Hong (Peter Hong) <hpeter+linux_kernel@gmail.com>
Reviewed-by: Oliver Neukum <oneukum@suse.com>
next reply other threads:[~2019-04-03 10:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-03 10:36 Oliver Neukum [this message]
2019-04-03 10:36 ` [PATCH V6 1/3] USB: serial: f81232: clear overrun flag Oliver Neukum
-- strict thread matches above, loose matches on Subject: below --
2019-04-15 10:20 [V6,1/3] " Johan Hovold
2019-04-15 10:20 ` [PATCH V6 1/3] " Johan Hovold
2019-04-03 8:40 [V6,3/3] USB: serial: f81232: implement break control Ji-Ze Hong (Peter Hong)
2019-04-03 8:40 ` [PATCH V6 3/3] " Ji-Ze Hong (Peter Hong)
2019-04-03 8:40 [V6,2/3] USB: serial: f81232: add high baud rate support Ji-Ze Hong (Peter Hong)
2019-04-03 8:40 ` [PATCH V6 2/3] " Ji-Ze Hong (Peter Hong)
2019-04-03 8:40 [V6,1/3] USB: serial: f81232: clear overrun flag Ji-Ze Hong (Peter Hong)
2019-04-03 8:40 ` [PATCH V6 1/3] " Ji-Ze Hong (Peter Hong)
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