[PATCH] ARM: multi_v7_defconfig: major refresh

[b.zolnierkie@samsung.com (Bartlomiej Zolnierkiewicz)]

Hi,

On Wednesday, August 27, 2014 09:59:37 AM Bartlomiej Zolnierkiewicz wrote:
> 
> Hi Olof,
> 
> On Sunday, August 10, 2014 08:05:23 PM Olof Johansson wrote:
> > On Tue, Jul 22, 2014 at 1:28 PM, Olof Johansson <olof@lixom.net> wrote:
> > > On Tue, Jul 22, 2014 at 11:36 AM, Arnd Bergmann <arnd@arndb.de> wrote:
> > >> On Tuesday 22 July 2014 11:01:10 Olof Johansson wrote:
> > >>> This is a major refresh of the multi_v7_defconfig:
> > >>>
> > >>> - Bring over a bunch of Samsung drivers to make ODROID-U3 and Chromebooks usable
> > >>>  * Enable big.LITTLE
> > >>>  * MCPM
> > >>>  * CYAPA touchpad
> > >>>  * Samsung-related MTD/regulator/clk/pinmux drivers
> > >>>  * Add some of the CrOS EC drivers
> > >>> - Turn on TPM, HW_RANDOM
> > >>> - OMAP_USB3 -> TI_PIPE3 option rename
> > >>> - Enable MCPM/b.L for VEXPRESS
> > >>> - Add new CONFIG_MTD_SPI_NOR since it otherwise masks off SPI NOR drivers
> > >>> - CONFIG_LOGO, because penguins.
> > >>>
> > >>> I took care to keep the new options that have been added for whose the
> > >>> drivers are not yet in our for-next branch. This was pretty awkward so
> > >>> we should sort out how to handle those better in the future.
> > >>
> > >> Since you've already done all those, how about enabling THUMB2_KERNEL?
> > >> For the multi_v7_defconfig, it should actually give some benefits,
> > >> since it's rather large, and it would be good to have some more testing
> > >> with this option enabled.
> > >>
> > >> I guess the first step would be to enable it and just see if your
> > >> boot farm survives the change.
> > >
> > > Good point, I'll definitely give that a go once the current issues are resolved.
> > >
> > > Which are: These changes make 5250-based machines (snow and arndale)
> > > break. Lots of i2c timeouts on SATA and hdmi-phy. Looks like arndale
> > > might be missing pinctrl setups for it?
> > >
> > > Tushar, Kukjin, any chance you can investigate from your end? I'd like
> > > to get this change in since it allows for better multiplatform
> > > coverage, but the Exynos breakage must be fixed...
> > 
> > This is still broken on 5250:
> > http://arm-soc.lixom.net/bootlogs/misc/v3.16-10143-gccefc7a/ is with
> > this patch applied on top of current mainline and the few fixes we
> > have queued up.
> > 
> > I2C_S3C2410 is enabled with that config now.
> > 
> > Tushar is no longer on a Linaro landing team, so he's not looking
> > after Arndale. Kukjin?
> 
> I'm not responsible for Arndale but I took a look at the issue and
> managed to fix it on my setup.
> 
> Please see:
> 
>   https://lkml.org/lkml/2014/8/27/116
> 
> for details.

Vivek's USB patches are now in Linus' tree:

  46c1cda88c6e "usb: host: ehci-exynos: Remove unnecessary usb-phy support"
  2db941623d5c "usb: host: ohci-exynos: Remove unnecessary usb-phy support"
  2f7f41c7a73c "usb: ehci/ohci-exynos: Fix PHY getting sequence"

so the Exynos5250 Arndale issue should be fixed.

Olof, could you please ressurect and merge your multi_v7_defconfig refresh
patch (it contains a lot of useful changes for Exynos platforms)?

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics