From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/2] ARM: delay: allow timer-based delay implementation to be selected
Date: Thu, 5 Jul 2012 13:56:22 +0100 [thread overview]
Message-ID: <20120705125622.GF3399@mudshark.cambridge.arm.com> (raw)
In-Reply-To: <4FF5849E.6060301@renesas.com>
On Thu, Jul 05, 2012 at 01:12:14PM +0100, Shinya Kuribayashi wrote:
> Ok, I gave your patch a try (including above), and confirmed that:
>
> * It works fine with non-arch_timer counter. I'm using SH/R-Mobile
> devices, with a memory mapped I/O, 32-bit free-run up-counter
> running at 13MHz.
>
> * Secondary CPU calibration gets skipped as expected.
>
> * Your new timer-based delay works as before (loop-based one). I've
> verified 10..1999-microsecond busy-wait with a reasonable accuracy
> (and confirmed that 2000+ usec gets rejected as intended).
Great, thanks! Can I add your tested-by please?
> By the way,
>
> > + return lpj_fine ?: 0;
>
> Is there any difference with just
>
> return lpj_fine;
Of course, I'll make that change, cheers.
Stephen -- can I keep your reviewed-by with the additional function please?
Will
next prev parent reply other threads:[~2012-07-05 12:56 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-29 17:33 [PATCH v2 0/2] Use architected timers for delay loop Will Deacon
2012-06-29 17:33 ` [PATCH v2 1/2] ARM: arch timer: implement read_current_timer and get_cycles Will Deacon
2012-07-02 19:14 ` Stephen Boyd
2012-07-05 12:35 ` Shinya Kuribayashi
2012-07-05 12:59 ` Will Deacon
2012-06-29 17:33 ` [PATCH v2 2/2] ARM: delay: allow timer-based delay implementation to be selected Will Deacon
2012-07-02 19:14 ` Stephen Boyd
2012-07-02 21:53 ` Will Deacon
2012-07-03 12:09 ` Shinya Kuribayashi
2012-07-04 15:36 ` Will Deacon
2012-07-05 12:12 ` Shinya Kuribayashi
2012-07-05 12:56 ` Will Deacon [this message]
2012-07-05 16:51 ` Stephen Boyd
2012-07-05 13:06 ` Shinya Kuribayashi
2012-07-05 14:15 ` Will Deacon
2012-07-12 7:33 ` Shinya Kuribayashi
2012-07-12 8:44 ` Will Deacon
2012-07-12 9:35 ` Shinya Kuribayashi
2012-07-12 16:40 ` Stephen Boyd
2012-07-13 2:16 ` Shinya Kuribayashi
2012-07-13 8:57 ` Will Deacon
2012-07-13 10:48 ` Shilimkar, Santosh
2012-07-13 11:13 ` Will Deacon
2012-07-13 12:04 ` Shilimkar, Santosh
2012-07-13 12:08 ` Will Deacon
2012-07-13 12:14 ` Shilimkar, Santosh
2012-07-13 12:23 ` Will Deacon
2012-07-13 12:28 ` Shilimkar, Santosh
2012-07-17 3:10 ` Shinya Kuribayashi
2012-07-17 6:11 ` Shilimkar, Santosh
2012-07-17 7:42 ` Shinya Kuribayashi
2012-07-17 9:05 ` Will Deacon
2012-07-19 12:43 ` Shinya Kuribayashi
2012-07-18 17:52 ` Will Deacon
2012-07-19 15:19 ` Jonathan Austin
2012-07-20 10:17 ` Will Deacon
2012-07-24 9:06 ` Shinya Kuribayashi
2012-07-24 9:15 ` Will Deacon
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