Re: [PATCH v2] ARM: omap2: am437x: rollback to use omap3_gptimer_timer_init()

From	Tony Lindgren <tony@atomide.com>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2] ARM: omap2: am437x: rollback to use omap3_gptimer_timer_init()
Date	2016-12-27 18:40 +0100
Message-ID	<sT3Tb-53g-3@gated-at.bofh.it> (permalink)
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* Keerthy <j-keerthy@ti.com> [161204 19:58]:
> From: Grygorii Strashko <grygorii.strashko@ti.com>
> 
> The commit 55ee7017ee31 ("arm: omap2: board-generic: use
> omap4_local_timer_init for AM437x") unintentionally changes the
> clocksource devices for AM437x from OMAP GP Timer to SyncTimer32K.
> 
> Unfortunately, the SyncTimer32K is starving from frequency deviation
> as mentioned in commit 5b5c01359152 ("ARM: OMAP2+: AM43x: Use gptimer
> as clocksource") and, as reported by Franklin [1], even its monotonic
> nature is under question (most probably there is a HW issue, but it's
> still under investigation).
> 
> Taking into account above facts It's reasonable to rollback to the use
> of omap3_gptimer_timer_init().
> 
> [1] http://www.spinics.net/lists/linux-omap/msg127425.html

Applying into omap-for-v4.10/fixes thanks.

Tony

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Re: [PATCH v2] ARM: omap2: am437x: rollback to use  omap3_gptimer_timer_init() Tony Lindgren <tony@atomide.com> - 2016-12-27 18:40 +0100

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