From: Tom Rini <trini@ti.com>
To: u-boot@lists.denx.de
Subject: [U-Boot] [U-Boot,1/3] arm: pxa: use common timer functions
Date: Sat, 30 Aug 2014 11:13:11 -0400 [thread overview]
Message-ID: <20140830151311.GW19374@bill-the-cat> (raw)
In-Reply-To: <1407853561-23688-2-git-send-email-andrew.ruder@elecsyscorp.com>
On Tue, Aug 12, 2014 at 09:25:59AM -0500, Andrew Ruder wrote:
> From: Andrew Ruder <andrew.ruder@elecsyscorp.com>
>
> This patch moves pxa to the common timer functions added in commit
>
> 8dfafdd - Introduce common timer functions <Rob Herring>
>
> The (removed) pxa timer code (specifically __udelay()) could deadlock at
> the 32-bit boundary of get_ticks(). get_ticks() returned a 32-bit value
> cast up to a 64-bit value. If get_ticks() + tmo in __udelay() crossed
> the 32-bit boundary, the while condition became unconditionally true and
> locked the processor. Rather than patch the specific pxa issues, simply
> move everything over to the common code.
>
> Signed-off-by: Andrew Ruder <andrew.ruder@elecsyscorp.com>
> Cc: Marek Vasut <marex@denx.de>
> Acked-by: Marek Vasut <marex@denx.de>
As it stands today this breaks building a number of PXA boards so it
needs to be picked up and re-worked / build tested, thanks!
--
Tom
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next prev parent reply other threads:[~2014-08-30 15:13 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-12 14:25 [U-Boot] [PATCH 0/3] Initial cleanup of arm port timer subsystem andrew.ruder at elecsyscorp.com
2014-08-12 14:25 ` [U-Boot] [PATCH 1/3] arm: pxa: use common timer functions andrew.ruder at elecsyscorp.com
2014-08-12 18:20 ` Marek Vasut
2014-08-30 15:13 ` Tom Rini [this message]
2014-09-16 14:44 ` [U-Boot] [U-Boot,1/3] " Andrew Ruder
2014-08-12 14:26 ` [U-Boot] [PATCH 2/3] arm: mx31: " andrew.ruder at elecsyscorp.com
2014-08-12 18:21 ` Marek Vasut
2014-08-12 14:26 ` [U-Boot] [PATCH 3/3] arm: mx35: " andrew.ruder at elecsyscorp.com
2014-09-16 10:56 ` Stefano Babic
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