[GIT PULL 1/4] DaVinci SoC updates for v5.4

[GIT PULL 1/4] DaVinci SoC updates for v5.4

[Sekhar Nori]

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

  Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git tags/davinci-for-v5.4/soc

for you to fetch changes up to 93eae12c9f3e3bf423b308b341d380b0b4291bf8:

  ARM: davinci: dm646x: Fix a typo in the comment (2019-08-26 17:51:28 +0530)

----------------------------------------------------------------
This converts all DaVinci SoCs except DM365 to use new clocksource
driver. DM365 conversion is still under debug and will be part of a
future pull request.

----------------------------------------------------------------
Bartosz Golaszewski (8):
      ARM: davinci: enable the clocksource driver for DT mode
      ARM: davinci: WARN_ON() if clk_get() fails
      ARM: davinci: da850: switch to using the clocksource driver
      ARM: davinci: da830: switch to using the clocksource driver
      ARM: davinci: move timer definitions to davinci.h
      ARM: davinci: dm355: switch to using the clocksource driver
      ARM: davinci: dm644x: switch to using the clocksource driver
      ARM: davinci: dm646x: switch to using the clocksource driver

Christophe JAILLET (1):
      ARM: davinci: dm646x: Fix a typo in the comment

 arch/arm/Kconfig                          |  1 +
 arch/arm/mach-davinci/da830.c             | 45 +++++++++++-----------------
 arch/arm/mach-davinci/da850.c             | 50 +++++++++++--------------------
 arch/arm/mach-davinci/davinci.h           |  3 ++
 arch/arm/mach-davinci/dm355.c             | 28 ++++++++++-------
 arch/arm/mach-davinci/dm365.c             |  4 +++
 arch/arm/mach-davinci/dm644x.c            | 28 ++++++++++-------
 arch/arm/mach-davinci/dm646x.c            | 30 +++++++++++--------
 arch/arm/mach-davinci/include/mach/time.h |  2 --
 arch/arm/mach-davinci/time.c              | 14 ---------
 10 files changed, 95 insertions(+), 110 deletions(-)

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[GIT PULL 2/4] DaVinci defconfig updates for v5.4

[Sekhar Nori]

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

  Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git tags/davinci-for-v5.4/defconfig

for you to fetch changes up to e869e44f2d82b9b4d35d58ceaeeadb0242bc634c:

  ARM: davinci_all_defconfig: enable GPIO backlight (2019-08-08 14:33:45 +0530)

----------------------------------------------------------------
Contains davinci_all_defconfig refresh using savedefconfig and a
patch to enable GPIO backlight.

----------------------------------------------------------------
Bartosz Golaszewski (2):
      ARM: davinci: refresh davinci_all_defconfig
      ARM: davinci_all_defconfig: enable GPIO backlight

 arch/arm/configs/davinci_all_defconfig | 27 ++++++++++-----------------
 1 file changed, 10 insertions(+), 17 deletions(-)

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[GIT PULL 3/4] DaVinci fbdev driver updates for v5.4

[Sekhar Nori]

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

  Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git tags/davinci-for-v5.4/fbdev

for you to fetch changes up to 671da5f3444b09779f108d28cc69414c57deab8c:

  fbdev: da8xx: use resource management for dma (2019-08-26 17:54:00 +0530)

----------------------------------------------------------------
This converts the da8xx fbdev driver to use GPIO backlight device
and regulator devices. This will finally help get rid of legacy
GPIO API calls and simplify DaVinci GPIO driver.

----------------------------------------------------------------
Bartosz Golaszewski (7):
      ARM: davinci: da850-evm: model the backlight GPIO as an actual device
      fbdev: da8xx: add support for a regulator
      ARM: davinci: da850-evm: switch to using a fixed regulator for lcdc
      fbdev: da8xx: remove panel_power_ctrl() callback from platform data
      fbdev: da8xx-fb: use devm_platform_ioremap_resource()
      fbdev: da8xx-fb: drop a redundant if
      fbdev: da8xx: use resource management for dma

 arch/arm/mach-davinci/board-da850-evm.c |  90 +++++++++++++++++-------
 drivers/video/fbdev/da8xx-fb.c          | 118 ++++++++++++++++++--------------
 include/video/da8xx-fb.h                |   1 -
 3 files changed, 131 insertions(+), 78 deletions(-)

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[GIT PULL 4/4] DaVinci DT updates for v5.4

[Sekhar Nori]

The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:

  Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git tags/davinci-for-v5.4/dt

for you to fetch changes up to 01cc0596ef0e483543abd1f4887eff7e54797c36:

  ARM: dts: da850-evm: Use generic jedec, spi-nor for flash (2019-08-26 17:50:30 +0530)

----------------------------------------------------------------
Contains a patch to switch to more generic compatible for SPI NOR.
This helps SPI NOR to work on newer board variants.

----------------------------------------------------------------
Adam Ford (1):
      ARM: dts: da850-evm: Use generic jedec, spi-nor for flash

 arch/arm/boot/dts/da850-evm.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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Re: [GIT PULL 1/4] DaVinci SoC updates for v5.4

[Arnd Bergmann]

On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:

> This converts all DaVinci SoCs except DM365 to use new clocksource
> driver. DM365 conversion is still under debug and will be part of a
> future pull request.

Pulled into arm/soc.

Please remember to send pull requests to soc@kernel.org rather than
arm@kernel.org now, so they show up in
https://patchwork.kernel.org/project/linux-soc/list/

Thanks,

      Arnd

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Re: [GIT PULL 2/4] DaVinci defconfig updates for v5.4

[Arnd Bergmann]

On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:
>
> The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:
>
>   Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)
>
> are available in the Git repository at:
>
>   git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git tags/davinci-for-v5.4/defconfig
>
> for you to fetch changes up to e869e44f2d82b9b4d35d58ceaeeadb0242bc634c:
>
>   ARM: davinci_all_defconfig: enable GPIO backlight (2019-08-08 14:33:45 +0530)
>
> ----------------------------------------------------------------
> Contains davinci_all_defconfig refresh using savedefconfig and a
> patch to enable GPIO backlight.
>
> ----------------------------------------------------------------
> Bartosz Golaszewski (2):
>       ARM: davinci: refresh davinci_all_defconfig
>       ARM: davinci_all_defconfig: enable GPIO backlight

I'm generally not a fan of these 'refresh defconfig' patches when they
silently change options that may or may not be needed.

Some lines are just moved around but these ones
are completely removed:

-# CONFIG_IOSCHED_DEADLINE is not set
-# CONFIG_IOSCHED_CFQ is not set
-CONFIG_PREEMPT=y
-CONFIG_SND_SOC_TLV320AIC3X=m
-CONFIG_SND_SOC_DAVINCI_MCASP=m
-CONFIG_LEDS_TRIGGERS=y
-CONFIG_TI_EDMA=y
-# CONFIG_ARM_UNWIND is not set

I think most of these are ok, but I don't see any explanation
about why you turn off CONFIG_PREEMPT.

       Arnd

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Re: [GIT PULL 3/4] DaVinci fbdev driver updates for v5.4

[Arnd Bergmann]

On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:
> ----------------------------------------------------------------
> This converts the da8xx fbdev driver to use GPIO backlight device
> and regulator devices. This will finally help get rid of legacy
> GPIO API calls and simplify DaVinci GPIO driver.
>

Pulled into arm/drivers, thanks!

     Arnd

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Re: [GIT PULL 4/4] DaVinci DT updates for v5.4

[Arnd Bergmann]

On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:

> Contains a patch to switch to more generic compatible for SPI NOR.
> This helps SPI NOR to work on newer board variants.

Pulled into arm/dt, thanks!

        Arnd

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Re: [GIT PULL 2/4] DaVinci defconfig updates for v5.4

[Sekhar Nori]

Hi Arnd,

On 04/09/19 8:21 PM, Arnd Bergmann wrote:
> On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:
>>
>> The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:
>>
>>   Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)
>>
>> are available in the Git repository at:
>>
>>   git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git tags/davinci-for-v5.4/defconfig
>>
>> for you to fetch changes up to e869e44f2d82b9b4d35d58ceaeeadb0242bc634c:
>>
>>   ARM: davinci_all_defconfig: enable GPIO backlight (2019-08-08 14:33:45 +0530)
>>
>> ----------------------------------------------------------------
>> Contains davinci_all_defconfig refresh using savedefconfig and a
>> patch to enable GPIO backlight.
>>
>> ----------------------------------------------------------------
>> Bartosz Golaszewski (2):
>>       ARM: davinci: refresh davinci_all_defconfig
>>       ARM: davinci_all_defconfig: enable GPIO backlight
> 
> I'm generally not a fan of these 'refresh defconfig' patches when they
> silently change options that may or may not be needed.

You are right, I should have watched the output more closely. Since this
is something someone doing 'make davinci_all_defconfig' already sees, I
tend to skip the actual patch output.

> 
> Some lines are just moved around but these ones
> are completely removed:
> 
> -# CONFIG_IOSCHED_DEADLINE is not set
> -# CONFIG_IOSCHED_CFQ is not set
> -CONFIG_PREEMPT=y
> -CONFIG_SND_SOC_TLV320AIC3X=m
> -CONFIG_SND_SOC_DAVINCI_MCASP=m
> -CONFIG_LEDS_TRIGGERS=y
> -CONFIG_TI_EDMA=y
> -# CONFIG_ARM_UNWIND is not set
> 
> I think most of these are ok, but I don't see any explanation
> about why you turn off CONFIG_PREEMPT.

So this came because with commit a50a3f4b6a31 ("sched/rt, Kconfig:
Introduce CONFIG_PREEMPT_RT") PREEMPT lost its prompt string. As
suggested by that commit, davinci_all_defconfig should be enabling
CONFIG_PREEMPT_LL=y to retain functionality.

I can respin the branch with the preempt fix first and then the
defconfig refresh. Or I can skip the refresh altogether.

Thanks,
Sekhar

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Re: [GIT PULL 2/4] DaVinci defconfig updates for v5.4

[Arnd Bergmann]

On Thu, Sep 5, 2019 at 8:18 AM Sekhar Nori <nsekhar@ti.com> wrote:
> On 04/09/19 8:21 PM, Arnd Bergmann wrote:
> > On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:
> > Some lines are just moved around but these ones
> > are completely removed:
> >
> > -# CONFIG_IOSCHED_DEADLINE is not set
> > -# CONFIG_IOSCHED_CFQ is not set
> > -CONFIG_PREEMPT=y
> > -CONFIG_SND_SOC_TLV320AIC3X=m
> > -CONFIG_SND_SOC_DAVINCI_MCASP=m
> > -CONFIG_LEDS_TRIGGERS=y
> > -CONFIG_TI_EDMA=y
> > -# CONFIG_ARM_UNWIND is not set
> >
> > I think most of these are ok, but I don't see any explanation
> > about why you turn off CONFIG_PREEMPT.
>
> So this came because with commit a50a3f4b6a31 ("sched/rt, Kconfig:
> Introduce CONFIG_PREEMPT_RT") PREEMPT lost its prompt string. As
> suggested by that commit, davinci_all_defconfig should be enabling
> CONFIG_PREEMPT_LL=y to retain functionality.

This got changed back with b8d3349803ba ("sched/rt, Kconfig: Unbreak
def/oldconfig with CONFIG_PREEMPT=y")

> I can respin the branch with the preempt fix first and then the
> defconfig refresh. Or I can skip the refresh altogether.

I think the best way to do these is to split up the refresh into two
or more patches:

- one patch to reorder the options that just moved around
- one patch that removes lines that are no longer needed,
  explaining why there is no replacement
- separate patches for things that are now called something
  else, or got replaced with a different option.

        Arnd

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Re: [GIT PULL 2/4] DaVinci defconfig updates for v5.4

[Peter Ujfalusi]

On 04/09/2019 17.51, Arnd Bergmann wrote:
> On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:
>>
>> The following changes since commit 5f9e832c137075045d15cd6899ab0505cfb2ca4b:
>>
>>   Linus 5.3-rc1 (2019-07-21 14:05:38 -0700)
>>
>> are available in the Git repository at:
>>
>>   git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci.git tags/davinci-for-v5.4/defconfig
>>
>> for you to fetch changes up to e869e44f2d82b9b4d35d58ceaeeadb0242bc634c:
>>
>>   ARM: davinci_all_defconfig: enable GPIO backlight (2019-08-08 14:33:45 +0530)
>>
>> ----------------------------------------------------------------
>> Contains davinci_all_defconfig refresh using savedefconfig and a
>> patch to enable GPIO backlight.
>>
>> ----------------------------------------------------------------
>> Bartosz Golaszewski (2):
>>       ARM: davinci: refresh davinci_all_defconfig
>>       ARM: davinci_all_defconfig: enable GPIO backlight
> 
> I'm generally not a fan of these 'refresh defconfig' patches when they
> silently change options that may or may not be needed.
> 
> Some lines are just moved around but these ones
> are completely removed:
> 
> -# CONFIG_IOSCHED_DEADLINE is not set
> -# CONFIG_IOSCHED_CFQ is not set
> -CONFIG_PREEMPT=y
> -CONFIG_SND_SOC_TLV320AIC3X=m
> -CONFIG_SND_SOC_DAVINCI_MCASP=m
> -CONFIG_LEDS_TRIGGERS=y
> -CONFIG_TI_EDMA=y

EDMA is kind of needed on daVinci, no?
aic3x and McASP can be good if you want audio support on the boards...

> -# CONFIG_ARM_UNWIND is not set
> 
> I think most of these are ok, but I don't see any explanation
> about why you turn off CONFIG_PREEMPT.
> 
>        Arnd
> 
> _______________________________________________
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> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 

- Péter

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki

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Re: [GIT PULL 2/4] DaVinci defconfig updates for v5.4

[Arnd Bergmann]

On Fri, Sep 6, 2019 at 8:31 AM Peter Ujfalusi <peter.ujfalusi@ti.com> wrote:
> On 04/09/2019 17.51, Arnd Bergmann wrote:
> > On Wed, Aug 28, 2019 at 5:18 PM Sekhar Nori <nsekhar@ti.com> wrote:
> >
> > -# CONFIG_IOSCHED_DEADLINE is not set
> > -# CONFIG_IOSCHED_CFQ is not set
> > -CONFIG_PREEMPT=y
> > -CONFIG_SND_SOC_TLV320AIC3X=m
> > -CONFIG_SND_SOC_DAVINCI_MCASP=m
> > -CONFIG_LEDS_TRIGGERS=y
> > -CONFIG_TI_EDMA=y
>
> EDMA is kind of needed on daVinci, no?
> aic3x and McASP can be good if you want audio support on the boards...

That was my thought as well, but after looking closer I found
that they are enabled implicitly. However, I really prefer not having
to take a closer look when I get a pull request, hence the request
to split up these patches into obvious ones that explain
what is going on.

        Arnd

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