linux-kernel - Re: [PATCH v3] x86: punit_atom: punit device state debug driver

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Date:	Mon, 04 May 2015 14:05:35 -0700
From:	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>
To:	tglx@...utronix.de
Cc:	mingo@...hat.com, hpa@...or.com, x86@...nel.org,
	linux-kernel@...r.kernel.org, pebolle@...cali.nl
Subject: Re: [PATCH v3] x86: punit_atom: punit device state debug driver

On Mon, 2015-05-04 at 13:49 -0700, Srinivas Pandruvada wrote:
> v3
> Fixed biggest blunder 
> 
> consecutive read output

root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0
root@...LEYVIEW-C0-PLATFORM:/sys/kernel/debug/punit_atom# cat
dev_power_state 


PUNIT NORTH COMPLEX DEVICES :
GFX RENDER : D0i3
GFX MEDIA : D0i3
  DISPLAY : D0i3
      VED : D0i3
      ISP : D0i3
      MIO : D0

> 
> 
> v2
> Addressed Ingo Molnar's comments
> - Fix commit message
> - Added punit explanation
> - Formatting comments
> - Moved to arch/x86/platform/intel_mid
> - changed the debugfs file name
> 
> v1
>  Based on review comments
>  - Changed to tristate instead of bool
>  - Moved config to kconfig.debug
>  - Added debug in module name
>  - Returning -ENXIO on debugfs file create error
> 
> v0:
> Base version
> 
> 
> Srinivas Pandruvada (1):
>   x86: punit_atom: punit device state debug driver
> 
>  arch/x86/Kconfig.debug                         |   9 ++
>  arch/x86/platform/intel-mid/Makefile           |   2 +
>  arch/x86/platform/intel-mid/punit_atom_debug.c | 186 +++++++++++++++++++++++++
>  3 files changed, 197 insertions(+)
>  create mode 100644 arch/x86/platform/intel-mid/punit_atom_debug.c
> 


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