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From: Wolfram Sang <wsa@the-dreams.de>
To: Ulrich Hecht <ulrich.hecht+renesas@gmail.com>
Cc: linux-renesas-soc@vger.kernel.org, linux-serial@vger.kernel.org,
	geert@linux-m68k.org, yoshihiro.shimoda.uh@renesas.com
Subject: Re: [PATCH] serial: sh-sci: prevent lockup on full TTY buffers
Date: Thu, 15 Feb 2018 14:12:37 +0100	[thread overview]
Message-ID: <20180215131237.4yi42wq4duic7uaq@katana> (raw)
In-Reply-To: <1518696147-23790-1-git-send-email-ulrich.hecht+renesas@gmail.com>

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> This can be prevented by doing a dummy read of the RX data register.

Just so I understand the issue correctly: We are reading the register to
throw the content away to prevent it being used in the TTY buffers?


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  reply	other threads:[~2018-02-15 13:12 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-02-15 12:02 [PATCH] serial: sh-sci: prevent lockup on full TTY buffers Ulrich Hecht
2018-02-15 13:12 ` Wolfram Sang [this message]
2018-02-16 14:27   ` Ulrich Hecht
2018-02-19  8:16     ` Geert Uytterhoeven
2018-02-16 18:44 ` Greg KH
2018-02-19  8:20   ` Geert Uytterhoeven
2018-02-19  8:21 ` Yoshihiro Shimoda

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