lkml.org 
[lkml]   [2015]   [Nov]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] ARM: dts: keystone: k2l: fix kernel crash when clk_ignore_unused is not in bootargs
From
Date
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


\
 
 \ /
  Last update: 2015-11-23 19:41    [W:0.029 / U:0.464 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site