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

From: [email-masked] (Tony Lindgren)
Date: Wed, 27 Mar 2013 13:19:53 -0700

* Paul Walmsley <[email-masked]> [130327 10:49]:
> 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 <[email-masked]>
> > Cc: Tony Lindgren <[email-masked]>
> > Cc: Paul Walmsley <[email-masked]>
> > Cc: Rajendra Nayak <[email-masked]>
> 
> Acked-by: Paul Walmsley <[email-masked]>
> 
> Tony, if it isn't too late, could this one be added to your 3.9-rc fixes 
> series?

Just sent the previous ones, I'll add this into omap-for-v3.9-rc4/fixes.

Regards,

Tony