From: Mike Frysinger <vapier@gentoo.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] FW: I want to use Barebox
Date: Tue, 17 Apr 2012 23:34:56 -0400 [thread overview]
Message-ID: <201204172334.58067.vapier@gentoo.org> (raw)
In-Reply-To: <CALButCKaBVZrV5YEWye7DbxdDntfwsi5m=XWZQ5CGyb6E2pw0w@mail.gmail.com>
On Tuesday 17 April 2012 19:40:08 Graeme Russ wrote:
> On Wed, Apr 18, 2012 at 2:11 AM, ANDY KENNEDY wrote:
> But you fall into the trap of thinking that driver porting from Linux is
> trivial - I doubt this is the case as you do not have the feature rich
> kernel API (locks, mutexes, memory management, etc)
it's good that you don't have that cruft :). i've also found that many
Blackfin linux drivers utilize IRQs/DMA heavily while the u-boot driver does
polling/register banging. sometimes this can make a huge difference to the
code base, as well as hit a completely different set of issues (such as
hardware or documentation bugs).
-mike
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next prev parent reply other threads:[~2012-04-18 3:34 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-16 15:58 [U-Boot] FW: I want to use Barebox ANDY KENNEDY
2012-04-16 23:07 ` Graeme Russ
2012-04-17 16:11 ` ANDY KENNEDY
2012-04-17 23:40 ` Graeme Russ
2012-04-18 3:34 ` Mike Frysinger [this message]
2012-04-18 9:52 ` Wolfgang Denk
2012-04-18 10:38 ` Dirk Behme
2012-04-18 12:36 ` Wolfgang Denk
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