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From: timur@tabi.org (Timur Tabi)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] Revert "serial: amba-pl011: fix incorrect integer size in pl011_fifo_to_tty()"
Date: Fri, 23 Oct 2015 10:37:49 -0500	[thread overview]
Message-ID: <562A544D.7080506@tabi.org> (raw)
In-Reply-To: <20151023133403.GI4796@e103592.cambridge.arm.com>

On 10/23/2015 08:34 AM, Dave P Martin wrote:
> Well, I'm not saying there's definitely no kernel bug, but I can't see
> how the patch should cause it.  It may be triggering a latent bug
> somewhere else in the driver than hasn't been biting us before, however.

Fair enough.

> !CREAD is the most obvious cause, so that should definitely be ruled
> out first.  If CREAD is clear, we need to figure out why...

So I tested this by booting to my console, and then typing in:

	stty -cread

and when I did that, the console ignored all input.

I do admit that since !CREAD has been ignored for so many reason, it 
could be that a lot of userspaces will suddenly have broken consoles.

  reply	other threads:[~2015-10-23 15:37 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-23 10:00 [PATCH] Revert "serial: amba-pl011: fix incorrect integer size in pl011_fifo_to_tty()" Huang Shijie
2015-10-23 10:31 ` Dave Martin
2015-10-23 12:35   ` Timur Tabi
2015-10-23 13:34     ` Dave P Martin
2015-10-23 15:37       ` Timur Tabi [this message]
2015-10-23 16:02         ` Dave P Martin
2015-10-23 16:38           ` Timur Tabi
2015-10-23 17:49             ` Peter Hurley
2015-10-26  1:58             ` Huang Shijie
2015-10-26  2:13             ` Huang Shijie
2015-10-26  5:47   ` Huang Shijie

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