From: "Heiko Stübner" <heiko@sntech.de>
To: Caesar Wang <caesar.upstream@gmail.com>
Cc: Daniel Lezcano <daniel.lezcano@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
Caesar Wang <wxt@rock-chips.com>,
linux-rockchip@lists.infradead.org,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/3] clocksource: rockchip: Make the driver more readability and compatible
Date: Thu, 17 Sep 2015 11:43:44 +0200 [thread overview]
Message-ID: <1595765.iIuZsGWCYG@diego> (raw)
In-Reply-To: <55FA87AA.4040807@gmail.com>
Hi,
Am Donnerstag, 17. September 2015, 17:28:10 schrieb Caesar Wang:
> >> The problem was different semantics of dsb on btw arm32 and arm64,
> >> Here we can convert the dsb with insteading of dsb(sy).
> >
> > What happens to ARM32 then ?
>
> The dsb() is ok for ARM32, the ARM32/64 are OK if we can convert the
> dsb() to dsb(sy).
> I believe all drivers with 'dsb()' have same issue on ARM64 platform.
correct ... I read this up in the ARM docs 2 days ago too for something.
The "sy" param is the default, which you are allow to omit, so on arm32 dsb()
and dsb(sy) are the same.
Heiko
next prev parent reply other threads:[~2015-09-17 9:43 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-17 7:51 [PATCH 0/3] Support the timer on RK3368 SoC Caesar Wang
2015-09-17 7:51 ` [PATCH 1/3] clocksource: rockchip: Make the driver more readability and compatible Caesar Wang
2015-09-17 9:11 ` Daniel Lezcano
2015-09-17 9:28 ` Caesar Wang
2015-09-17 9:43 ` Heiko Stübner [this message]
2015-09-17 10:06 ` Daniel Lezcano
2015-09-17 10:19 ` Thomas Gleixner
2015-09-17 10:57 ` Daniel Lezcano
2015-09-17 21:13 ` Russell King - ARM Linux
2015-09-18 7:53 ` Daniel Lezcano
2015-09-17 10:19 ` Caesar Wang
2015-09-18 7:55 ` Daniel Lezcano
2015-09-18 8:22 ` Caesar Wang
2015-09-18 9:08 ` Russell King - ARM Linux
2015-09-17 7:51 ` [PATCH 2/3] arm64: Enable the timer on Rockchip architecture Caesar Wang
2015-09-17 7:51 ` [PATCH 3/3] arm64: dts: rockchip: Add the needed timer for rk3368 SoC Caesar Wang
2015-09-17 19:01 ` Heiko Stübner
2015-09-18 1:16 ` Caesar Wang
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