linux-kernel - Re: ARM: SoC fixes for 4.15

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Date:   Sat, 20 Jan 2018 09:32:52 +0100
From:   gregkh <gregkh@...uxfoundation.org>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     Linus Torvalds <torvalds@...ux-foundation.org>,
        arm-soc <arm@...nel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        Stefan Wahren <stefan.wahren@...e.com>
Subject: Re: ARM: SoC fixes for 4.15

On Fri, Jan 19, 2018 at 05:12:15PM +0100, Arnd Bergmann wrote:
> The following changes since commit b2cd1df66037e7c4697c7e40496bf7e4a5e16a2d:
> 
>   Linux 4.15-rc7 (2018-01-07 14:22:41 -0800)
> 
> are available in the git repository at:
> 
>   ssh://git@...olite.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc.git
> tags/armsoc-fixes
> 
> for you to fetch changes up to b7563e2796f8b23c98afcfea7363194227fa089d:
> 
>   phy: work around 'phys' references to usb-nop-xceiv devices
> (2018-01-19 16:12:37 +0100)
> 
> ----------------------------------------------------------------
> ARM: SoC fixes for 4.15
> 
> We have various small DT fixes, and one important regression fix:
> 
> The recent device tree bugfixes that were intended to address issues that
> 'dtc' started warning about in 4.15 fixed various USB PHY device nodes,
> but it turns out that we had code that depended on those nodes being
> incorrect and the probe failing with a particular error code. With the
> workaround we can also deal with correct device nodes.
> 
> The DT fixes include:
>  - Allwinner A10 and A20 had the display pipeline set up incorrectly
>    (introduced in v4.15)
>  - The Altera PMU lacked an interrupt-parent (never worked)
>  - Pin muxing on the Openblocks A7 (never worked)
>  - Clocks might get set up wrong on Armada 7K/8K (4.15 regression)
> 
> We now have  additional device tree patches to address all the remaining
> warnings introduced in 4.15, but decided to queue them for 4.16 instead,
> to avoid risking another regression like the USB PHY thing mentioned
> above.
> 
> ----------------------------------------------------------------
> 
> [note: I originally sent the phy-core patch to Greg with Kishon's
>  ack, as drivers/phy stuff tends to go that route but got no reply
>  over the last week, so I'm including it here instead. As the bug
>  was introduced through arm-soc, this seems like the best way
>  to now make sure we fix it before the release.]

No objection from me for this.

thanks,

greg k-h