linux-kernel - Re: [PATCH v2 1/7] clocksource: export "arch_timer_get

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Message-ID: <555F3886.9020506@codeaurora.org>
Date:	Fri, 22 May 2015 09:09:10 -0500
From:	Timur Tabi <timur@...eaurora.org>
To:	fu.wei@...aro.org, Suravee.Suthikulpanit@....com,
	linaro-acpi@...ts.linaro.org, linux-watchdog@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
CC:	tekkamanninja@...il.com, graeme.gregory@...aro.org,
	al.stone@...aro.org, hanjun.guo@...aro.org,
	ashwin.chaugule@...aro.org, arnd@...db.de, linux@...ck-us.net,
	vgandhi@...eaurora.org, wim@...ana.be, jcm@...hat.com,
	leo.duran@....com, corbet@....net, mark.rutland@....com
Subject: Re: [PATCH v2 1/7] clocksource: export "arch_timer_get_rate"
 for the other drivers

fu.wei@...aro.org wrote:
> Some devices get clock from system counter, like SBSA watchdog
> driver. They may need to get system counter rate.

We don't need this patch.  The watchdog driver can use 
arch_timer_get_cntfrq() instead of arch_timer_get_rate().  There's 
nothing wrong with arch_timer_get_cntfrq() since the SBSA driver is 
intended only for ARM64 server systems, and arch_timer_get_cntfrq() is 
always defined for such systems.

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