Messages in this thread | | | Subject | Re: [PATCH] ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs | From | santosh shilimkar <> | Date | Mon, 23 Nov 2015 10:17:03 -0800 |
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On 11/23/2015 8:54 AM, Murali Karicheri wrote: > Currently kernel crash randomly when K2L EVM is booted without > clk_ignore_unused in the bootargs. This workaround is not needed > on other K2 devices such as K2HK and K2E and with this fix, we can > remove the workaround altogether. netcp driver on K2L uses linked > ram on OSR (On chip Static RAM) and requires the clock to this peripheral > enabled for proper functioning. This is the reason for the kernel crash. > So add the clock node to fix this issue. > > While at it, remove the workaround documentation as well. > > With the fix applied, clk_summary dump shows the clock to OSR enabled. > > cat /sys/kernel/debug/clk/clk_summary > ------cut-------------- > tcp3d-1 0 0 399360000 0 0 > tcp3d-0 0 0 399360000 0 0 > osr 1 1 399360000 0 0 > fftc-0 0 0 399360000 0 0 > -----cut---------------- > Signed-off-by: Murali Karicheri <m-karicheri2@ti.com> > --- Nice !! I will queue this up for fixes. Thanks.
Regards, Santosh
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