From: Pascal JEAN <epsilonrt@gmail.com>
To: gregkh@linuxfoundation.org
Cc: jslaby@suse.com, linux-serial@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: sc16is7xx: fix RTS/CTS implementation and add reading CTS
Date: Wed, 27 Jul 2016 22:58:41 +0200 [thread overview]
Message-ID: <1469653123-21867-1-git-send-email-epsilonrt@gmail.com> (raw)
Hi Greg,
Here are explanations of the two patches:
0001-sc16is7xx-fix-RTS-CTS-implementation.patch:
RTS/CTS handshaking for sc16is7xx driver does not work, no character is sent
regardless of the state of CTS.
This test was done on a raspberry pi 2:
1- sc16is7xx_set_baud() overwrites the flow control configuration bits in EFR.
Writing in EFR has been replaced by an update.
2- As noted in the file Documentation/serial/driver,
get_mctrl() should return an active state for unsupported entries.
0002-sc16is7xx-add-reading-CTS.patch:
This patch adds the possibility to read the actual status of the CTS input when
RTS/CTS handshaking is not activated.
After those changes everything works.
Thank you for your hard work.
Have a nice day.
Pascal
next reply other threads:[~2016-07-27 20:58 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-27 20:58 Pascal JEAN [this message]
2016-07-27 20:58 ` [PATCH 1/2] sc16is7xx: fix RTS/CTS implementation Pascal JEAN
2016-07-27 21:28 ` Greg KH
2016-07-28 6:56 ` Pascal JEAN
2016-07-28 7:07 ` [PATCH 2/2] sc16is7xx: add reading CTS Pascal JEAN
2016-07-28 14:10 ` Greg KH
2016-07-27 20:58 ` Pascal JEAN
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