* dpll4_ck rate broken
@ 2008-10-17 11:08 Tomi Valkeinen
2008-10-17 12:09 ` Tomi Valkeinen
0 siblings, 1 reply; 2+ messages in thread
From: Tomi Valkeinen @ 2008-10-17 11:08 UTC (permalink / raw)
To: linux-omap@vger.kernel.org List
Hi,
With latest linux-omap kernel, the dpll4_ck rate is a bit funny:
~ # cat /debug/clock/virt_26m_ck/osc_sys_ck/sys_ck/rate
13000000
~ # cat /debug/clock/virt_26m_ck/osc_sys_ck/sys_ck/dpll4_ck/rate
3224773576
~ #
cat /debug/clock/virt_26m_ck/osc_sys_ck/sys_ck/dpll4_ck/dpll4_m4_ck/rate
48000000
I've tested this on OMAP3 SDP board and one other board.
Tomi
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: dpll4_ck rate broken
2008-10-17 11:08 dpll4_ck rate broken Tomi Valkeinen
@ 2008-10-17 12:09 ` Tomi Valkeinen
0 siblings, 0 replies; 2+ messages in thread
From: Tomi Valkeinen @ 2008-10-17 12:09 UTC (permalink / raw)
To: linux-omap@vger.kernel.org List, paul
On Fri, 2008-10-17 at 14:08 +0300, ext Tomi Valkeinen wrote:
> Hi,
>
> With latest linux-omap kernel, the dpll4_ck rate is a bit funny:
>
> ~ # cat /debug/clock/virt_26m_ck/osc_sys_ck/sys_ck/rate
> 13000000
>
> ~ # cat /debug/clock/virt_26m_ck/osc_sys_ck/sys_ck/dpll4_ck/rate
> 3224773576
>
The reason seems to be in arch/arm/mach-omap2/clock34xx.c:
omap3_noncore_dpll_enable(). It sets the dpll4_ck rate to the value of
an unassigned local variable 'rate'.
Tomi
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