linux-kernel - RE: [PATCH] ARM: PL011: add support for extended FIFO-size of PL011-r1p5

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <02e901ce5239$013b2570$03b17050$@lge.com>
Date:	Thu, 16 May 2013 22:26:41 +0900
From:	"Jongsung Kim" <neidhard.kim@....com>
To:	"'Stephen Warren'" <swarren@...dotorg.org>
Cc:	"'Russell King'" <linux@....linux.org.uk>,
	"'Greg Kroah-Hartman'" <gregkh@...uxfoundation.org>,
	<jslaby@...e.cz>, <linux-serial@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>,
	<linux-rpi-kernel@...ts.infradead.org>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH] ARM: PL011: add support for extended FIFO-size of PL011-r1p5

Stephen Warren <swarren@...dotorg.org> :
>> All r1p5 have 32-byte FIFO depth and it's not configurable. From the
PL011
>> TRM:
>> 
>> r1p4-r1p5	Contains the following differences in functionality:
>> 		* The receive and transmit FIFOs are increased to a depth of
32.
>> 		* The Revision field in the UARTPeriphID2 Register on page
3-24
>> 		  bits [7:4] now reads back as 0x3.
>
> Well, that certainly isn't true in practice. I think we should revert
> this commit until we can determine what the problem is.

I asked to the ARM support about this. Waiting for reply..

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/