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@xxxxxx> > Cc: Tony Lindgren <tony@xxxxxxxxxxx> > Cc: Paul Walmsley <paul@xxxxxxxxx> > Cc: Rajendra Nayak <rnayak@xxxxxx> Acked-by: Paul Walmsley <paul@xxxxxxxxx> Tony, if it isn't too late, could this one be added to your 3.9-rc fixes series? - Paul -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
