From: Rishi Gupta <gupt21@gmail.com>
To: gregkh@linuxfoundation.org, robh+dt@kernel.org
Cc: jslaby@suse.com, linux-serial@vger.kernel.org,
linux-kernel@vger.kernel.org, Rishi Gupta <gupt21@gmail.com>
Subject: [PATCH v1 3/3] tty: documentation: abi: add ttyvs null modem driver sysfs nodes
Date: Mon, 6 Jan 2020 12:51:55 +0530 [thread overview]
Message-ID: <7d7c949890c4bdb12ecc9f8b15a5c0a69b7604a8.1578235515.git.gupt21@gmail.com> (raw)
In-Reply-To: <cover.1578235515.git.gupt21@gmail.com>
In-Reply-To: <cover.1578235515.git.gupt21@gmail.com>
The ttyvs driver exposes sysfs files to emulate various serial
port events. This commit document these files.
Signed-off-by: Rishi Gupta <gupt21@gmail.com>
---
.../ABI/testing/sysfs-devices-virtual-tty_ttyvs | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
create mode 100644 Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs
diff --git a/Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs b/Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs
new file mode 100644
index 0000000..69b04e0
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-devices-virtual-tty_ttyvs
@@ -0,0 +1,18 @@
+What: /sys/devices/virtual/tty/ttyvsN/event
+Date: January 2020
+Contact: Rishi Gupta <gupt21@gmail.com>
+KernelVersion: 5.5
+Description:
+ The ttyvs driver will emulate serial port event; parity error,
+ framing error, overrun error, asserting or de-asserting break
+ conditions and ring indication when user space application
+ writes an event code on this sysfs file.
+
+What: /sys/devices/virtual/tty/ttyvsN/faultycable
+Date: January 2020
+Contact: Rishi Gupta <gupt21@gmail.com>
+KernelVersion: 5.5
+Description:
+ The ttyvs driver will emulate as if the cable is faulty; i.e.
+ data sent will not be received when user space application
+ writes 1 on this file. Write 0 to disable this emulation.
--
2.7.4
next prev parent reply other threads:[~2020-01-06 7:22 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-01-06 7:21 [PATCH v1 0/3] Add virtual serial null modem emulation driver Rishi Gupta
2020-01-06 7:21 ` [PATCH v1 1/3] dt-bindings: ttyvs: document serial null modem driver dt bindings Rishi Gupta
2020-01-06 7:21 ` [PATCH v1 2/3] tty/serial: ttvys: add null modem driver emulating serial port Rishi Gupta
2020-01-06 19:35 ` Greg KH
2020-01-09 9:29 ` rishi gupta
2020-01-10 7:20 ` Greg KH
2020-01-10 7:38 ` rishi gupta
2020-01-10 7:42 ` Greg KH
2020-02-10 15:14 ` rishi gupta
2020-02-12 20:02 ` Greg KH
2020-01-06 21:20 ` kbuild test robot
2020-01-06 7:21 ` Rishi Gupta [this message]
2020-01-06 19:29 ` [PATCH v1 3/3] tty: documentation: abi: add ttyvs null modem driver sysfs nodes Greg KH
2020-01-09 9:22 ` rishi gupta
2020-01-06 19:28 ` [PATCH v1 0/3] Add virtual serial null modem emulation driver Greg KH
2020-01-09 9:22 ` rishi gupta
2020-01-06 20:23 ` H. Peter Anvin
2020-01-06 22:06 ` Grant Edwards
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