linux-kernel - Re: [PATCH 1/3] clocksource: rockchip: Make the driver more readability and compatible

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Date:	Thu, 17 Sep 2015 11:11:49 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Caesar Wang <wxt@...k-chips.com>, Heiko Stuebner <heiko@...ech.de>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will.deacon@....com>
CC:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	linux-rockchip@...ts.infradead.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/3] clocksource: rockchip: Make the driver more readability
 and compatible


Hi Caesar,


On 09/17/2015 09:51 AM, Caesar Wang wrote:
> Build the arm64 SoCs (e.g.: RK3368) on Rockchip platform,
> There are some failure with build up on timer driver for rockchip.
>
> logs:
> ...
> drivers/clocksource/rockchip_timer.c:156:13: error: 'NO_IRQ' undeclared

I think the NO_IRQ definition is missing for ARM64.

> /tmp/ccdAnNy5.s:47: Error: missing immediate expression at  operand 1 --
> `dsb`
> ...
>
> 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 ?

> Meanwhile, I change a bit to make the code more readability for driver
> when I check the code style.
>
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>


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