From: Stephen Boyd <sboyd@codeaurora.org>
To: Tony Lindgren <tony@atomide.com>
Cc: Daniel Walker <dwalker@codeaurora.org>,
linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org,
Arnd Bergmann <arnd@arndb.de>, Nicolas Pitre <nico@fluxnic.net>,
Greg Kroah-Hartman <gregkh@suse.de>,
Mike Frysinger <vapier@gentoo.org>,
Andrew Morton <akpm@linux-foundation.org>,
Alan Cox <alan@lxorguk.ukuu.org.uk>,
Randy Dunlap <randy.dunlap@oracle.com>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] drivers: char: hvc: add arm JTAG DCC console support
Date: Tue, 07 Dec 2010 11:10:36 -0800 [thread overview]
Message-ID: <4CFE86AC.9010801@codeaurora.org> (raw)
In-Reply-To: <4CF6AE04.6030201@codeaurora.org>
On 12/01/2010 12:20 PM, Stephen Boyd wrote:
> Definitely for TX since it seems like a redundant loop, but I agree RX
> code has changed. Instead of
>
> If RX buffer full
> Poll for RX buffer full
> Read character from RX buffer
>
> we would have
>
> If RX buffer full
> Read character from RX buffer
>
> which doesn't seem all that different assuming the RX buffer doesn't go
> from full to empty between the If and Poll steps. Hopefully Tony knows more.
>
Tony, any thoughts?
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
WARNING: multiple messages have this Message-ID (diff)
From: Stephen Boyd <sboyd@codeaurora.org>
To: Tony Lindgren <tony@atomide.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>,
Daniel Walker <dwalker@codeaurora.org>,
Mike Frysinger <vapier@gentoo.org>, Arnd Bergmann <arnd@arndb.de>,
Nicolas Pitre <nico@fluxnic.net>,
linux-arm-msm@vger.kernel.org,
Greg Kroah-Hartman <gregkh@suse.de>,
linux-kernel@vger.kernel.org,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
Andrew Morton <akpm@linux-foundation.org>,
linuxppc-dev@lists.ozlabs.org,
Alan Cox <alan@lxorguk.ukuu.org.uk>
Subject: Re: [PATCH] drivers: char: hvc: add arm JTAG DCC console support
Date: Tue, 07 Dec 2010 11:10:36 -0800 [thread overview]
Message-ID: <4CFE86AC.9010801@codeaurora.org> (raw)
In-Reply-To: <4CF6AE04.6030201@codeaurora.org>
On 12/01/2010 12:20 PM, Stephen Boyd wrote:
> Definitely for TX since it seems like a redundant loop, but I agree RX
> code has changed. Instead of
>
> If RX buffer full
> Poll for RX buffer full
> Read character from RX buffer
>
> we would have
>
> If RX buffer full
> Read character from RX buffer
>
> which doesn't seem all that different assuming the RX buffer doesn't go
> from full to empty between the If and Poll steps. Hopefully Tony knows more.
>
Tony, any thoughts?
--
Sent by an employee of the Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.
next prev parent reply other threads:[~2010-12-07 19:10 UTC|newest]
Thread overview: 80+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-30 19:25 [PATCH] drivers: char: hvc: add arm JTAG DCC console support Daniel Walker
2010-11-30 19:25 ` Daniel Walker
2010-11-30 19:57 ` Nicolas Pitre
2010-11-30 19:57 ` Nicolas Pitre
2010-11-30 21:17 ` Arnd Bergmann
2010-11-30 21:17 ` Arnd Bergmann
2010-12-01 5:30 ` Stephen Boyd
2010-12-01 5:30 ` Stephen Boyd
2010-12-01 18:54 ` Daniel Walker
2010-12-01 18:54 ` Daniel Walker
2010-12-01 19:28 ` Greg KH
2010-12-01 19:28 ` Greg KH
2010-12-18 5:16 ` [PATCH] hvc_dcc: Simplify assembly for v6 and v7 ARM Stephen Boyd
2010-12-18 5:16 ` Stephen Boyd
2010-12-20 17:51 ` Daniel Walker
2010-12-20 17:51 ` Daniel Walker
2010-12-20 18:39 ` Stephen Boyd
2010-12-20 18:39 ` Stephen Boyd
2010-12-20 18:46 ` Nicolas Pitre
2010-12-20 18:46 ` Nicolas Pitre
2010-12-20 20:08 ` [PATCH 0/3] hvc_dcc cleanups and fixes Stephen Boyd
2010-12-20 20:08 ` Stephen Boyd
2010-12-20 20:08 ` [PATCH 1/3] hvc_dcc: Fix bad code generation by marking assembly volatile Stephen Boyd
2010-12-20 20:08 ` Stephen Boyd
2010-12-20 21:39 ` Nicolas Pitre
2010-12-20 21:39 ` Nicolas Pitre
2011-01-02 9:00 ` Pavel Machek
2011-01-02 9:00 ` Pavel Machek
2011-01-02 18:49 ` David Brown
2011-01-02 18:49 ` David Brown
2011-01-03 5:50 ` Pavel Machek
2011-01-03 5:50 ` Pavel Machek
2011-01-04 18:49 ` Tony Lindgren
2011-01-04 18:49 ` Tony Lindgren
2010-12-20 21:49 ` Arnaud Lacombe
2010-12-20 21:49 ` Arnaud Lacombe
2010-12-20 21:52 ` Stephen Boyd
2010-12-20 21:52 ` Stephen Boyd
2010-12-20 22:10 ` Nicolas Pitre
2010-12-20 22:10 ` Nicolas Pitre
2010-12-20 20:08 ` [PATCH 2/3] hvc_dcc: Simplify put_chars()/get_chars() loops Stephen Boyd
2010-12-20 20:08 ` Stephen Boyd
2010-12-20 20:08 ` [PATCH 3/3] hvc_dcc: Simplify assembly for v6 and v7 ARM Stephen Boyd
2010-12-20 20:08 ` Stephen Boyd
2010-12-20 21:44 ` Nicolas Pitre
2010-12-20 21:44 ` Nicolas Pitre
2011-01-04 18:52 ` Tony Lindgren
2011-01-04 18:52 ` Tony Lindgren
2011-01-06 1:49 ` [PATCH 0/3] hvc_dcc cleanups and fixes Stephen Boyd
2011-01-06 1:49 ` Stephen Boyd
2011-01-06 3:20 ` Greg KH
2011-01-06 3:20 ` Greg KH
2011-02-03 22:17 ` Greg KH
2011-02-03 22:17 ` Greg KH
2011-02-03 22:17 ` Greg KH
2011-02-03 23:19 ` Stephen Boyd
2011-02-03 23:19 ` Stephen Boyd
2011-02-03 23:30 ` Greg KH
2011-02-03 23:30 ` Greg KH
2011-02-03 23:48 ` [PATCHv2 " Stephen Boyd
2011-02-03 23:48 ` Stephen Boyd
2011-02-03 23:48 ` [PATCHv2 1/3] hvc_dcc: Fix bad code generation by marking assembly volatile Stephen Boyd
2011-02-03 23:48 ` Stephen Boyd
2011-02-03 23:48 ` [PATCHv2 2/3] hvc_dcc: Simplify put_chars()/get_chars() loops Stephen Boyd
2011-02-03 23:48 ` Stephen Boyd
2011-02-03 23:48 ` [PATCHv2 3/3] hvc_dcc: Simplify assembly for v6 and v7 ARM Stephen Boyd
2011-02-03 23:48 ` Stephen Boyd
2010-12-01 20:20 ` [PATCH] drivers: char: hvc: add arm JTAG DCC console support Stephen Boyd
2010-12-01 20:20 ` Stephen Boyd
2010-12-07 19:10 ` Stephen Boyd [this message]
2010-12-07 19:10 ` Stephen Boyd
2011-01-14 19:19 ` Tony Lindgren
2011-01-14 19:19 ` Tony Lindgren
2011-01-14 23:49 ` Stephen Boyd
2011-01-14 23:49 ` Stephen Boyd
2011-04-07 18:39 ` RONETIX - Asen Dimov
2011-04-07 18:39 ` RONETIX - Asen Dimov
2011-04-07 18:57 ` Mike Frysinger
2011-04-07 18:57 ` Mike Frysinger
2020-02-01 5:06 reinaldo rojas
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4CFE86AC.9010801@codeaurora.org \
--to=sboyd@codeaurora.org \
--cc=akpm@linux-foundation.org \
--cc=alan@lxorguk.ukuu.org.uk \
--cc=arnd@arndb.de \
--cc=dwalker@codeaurora.org \
--cc=fujita.tomonori@lab.ntt.co.jp \
--cc=gregkh@suse.de \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linuxppc-dev@lists.ozlabs.org \
--cc=nico@fluxnic.net \
--cc=randy.dunlap@oracle.com \
--cc=tony@atomide.com \
--cc=vapier@gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.