[PATCH-V2] ARM: AM33XX: Add missing .clkdm_name to clkdiv32k_ick clock

[Hiremath, Vaibhav]

> -----Original Message-----
> From: Paul Walmsley [mailto:paul at pwsan.com]
> Sent: Wednesday, March 27, 2013 11:15 PM
> To: Tony Lindgren; Hiremath, Vaibhav
> Cc: linux-omap at vger.kernel.org; linux-arm-kernel at lists.infradead.org;
> Nayak, Rajendra
> Subject: Re: [PATCH-V2] ARM: AM33XX: Add missing .clkdm_name to
> clkdiv32k_ick clock
> 
> On Wed, 27 Mar 2013, Vaibhav Hiremath wrote:
> 
> > It is required to enable respective clock-domain before
> > enabling any clock/module inside that clock-domain.
> >
> > During common-clock migration, .clkdm_name field got missed
> > for "clkdiv32k_ick" clock, which leaves "clk_24mhz_clkdm"
> > unused; so it will be disabled even if childs of this clock-domain
> > is enabled, which keeps child modules in idle mode.
> >
> > This fixes the kernel crash observed on AM335xEVM-SK platform,
> > where clkdiv32_ick clock is being used as a gpio debounce clock
> > and since clkdiv32k_ick is in idle mode it leads to below crash -
> >
> > Crash Log:
> > ==========
> > [    2.598347] Unhandled fault: external abort on non-linefetch
> (0x1028) at
> > 0xfa1ac150
> > [    2.606434] Internal error: : 1028 [#1] SMP ARM
> > [    2.611207] Modules linked in:
> > [    2.614449] CPU: 0    Not tainted  (3.8.4-01382-g1f449cd-dirty #4)
> > [    2.620973] PC is at _set_gpio_debounce+0x60/0x104
> > [    2.626025] LR is at clk_enable+0x30/0x3c
> >
> > Signed-off-by: Vaibhav Hiremath <hvaibhav at ti.com>
> > Cc: Tony Lindgren <tony at atomide.com>
> > Cc: Paul Walmsley <paul at pwsan.com>
> > Cc: Rajendra Nayak <rnayak at ti.com>
> 
> Acked-by: Paul Walmsley <paul at pwsan.com>
> 
> Tony, if it isn't too late, could this one be added to your 3.9-rc
> fixes
> series?
> 
> 

Looks like we missed this so far.

Tony, can you merge this patch for v3.10-rc ?

Thanks,
Vaibhav