linux-kernel - Re: [PATCH 4/4] ARM: multi_v7_defconfig: Switch AXP20x driver from module to built-in

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Message-ID: <CAOi56cV=UBEFQ6V4LLNrHDaDJgb33mrCA6Z+vj_3VziOpkRcvQ@mail.gmail.com>
Date:   Fri, 17 Mar 2017 10:39:50 -0700
From:   Kevin Hilman <khilman@...libre.com>
To:     Maxime Ripard <maxime.ripard@...e-electrons.com>
Cc:     Rask Ingemann Lambertsen <rask@...melder.dk>,
        Chen-Yu Tsai <wens@...e.org>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        lkml <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/4] ARM: multi_v7_defconfig: Switch AXP20x driver from
 module to built-in

On Fri, Feb 10, 2017 at 12:42 AM, Maxime Ripard
<maxime.ripard@...e-electrons.com> wrote:
> On Wed, Feb 08, 2017 at 11:09:31PM +0100, Rask Ingemann Lambertsen wrote:
>> The AXP20X regulator support is currently built as a module, which means
>> it's not available until the root fs has been mounted, but the boot loader
>> might not have enabled the required regulators, so build their drivers
>> into the kernel.
>>
>> Signed-off-by: Rask Ingemann Lambertsen <rask@...melder.dk>
>
> Queued for 4.12.

Hello, kernelci.org is reporting boot failures on sun5i-r8-chip in
linux-next[1]  for a few days and with a variety of defconfigs. I
bisected it[2] down to this patch.

I verified that reverting this patch on top of next-20170310 makes my
chip board boot again.

Kevin

[1] https://kernelci.org/boot/id/58c2426759b5144a68645535/
[2]
$ git bisect log
git bisect start
# good: [144c7666b535aa5d402bf37db84df90aebf1f563] Merge tag
'pci-v4.11-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git\
/helgaas/pci
git bisect good 144c7666b535aa5d402bf37db84df90aebf1f563
# bad: [5be4921c9958ec02a67506bd6f7a52fce663c201] Add linux-next
specific files for 20170310
git bisect bad 5be4921c9958ec02a67506bd6f7a52fce663c201
# good: [ea6200e84182989a3cce9687cf79a23ac44ec4db] Merge branch
'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/ker\
nel/git/tip/tip
git bisect good ea6200e84182989a3cce9687cf79a23ac44ec4db
# good: [3bd7db63a841e8c5297bb18ad801df67d5e38ad2] PCI/ASPM: Always
set link->downstream to avoid NULL dereference on remove
git bisect good 3bd7db63a841e8c5297bb18ad801df67d5e38ad2
# good: [8c71fff434e5ecf5ff27bd61db1bc9ac4c2b2a1b] [media] v4l: vsp1:
Adapt vsp1_du_setup_lif() interface to use a structure
git bisect good 8c71fff434e5ecf5ff27bd61db1bc9ac4c2b2a1b
# good: [d825adb48cf9bf9e3f5cb1d927e2827f8c2abee4] xenbus: Remove
duplicate inclusion of linux/init.h
git bisect good d825adb48cf9bf9e3f5cb1d927e2827f8c2abee4
# good: [b600dc879ee45d52a4d4c50c4efb9c0f63495284] Merge
remote-tracking branch 'drm/drm-next'
git bisect good b600dc879ee45d52a4d4c50c4efb9c0f63495284
# bad: [8004c75027be90f2f1b2956f99b2709aa78a8fdb] Merge
remote-tracking branch 'extcon/extcon-next'
git bisect bad 8004c75027be90f2f1b2956f99b2709aa78a8fdb
# bad: [e04b073635205c983891d0d70fb854c7b1871d89] Merge
remote-tracking branch 'input/next'
git bisect bad e04b073635205c983891d0d70fb854c7b1871d89
# bad: [d1ae62f438f26ecf256e5e4dd7cb53884c7dd3ab] Merge
remote-tracking branch 'sunxi/sunxi/for-next'
git bisect bad d1ae62f438f26ecf256e5e4dd7cb53884c7dd3ab
# good: [5956fb6486d7bd2467fe6282a784af4f1cf67bef] Merge
remote-tracking branch 'drm-misc/for-linux-next'
git bisect good 5956fb6486d7bd2467fe6282a784af4f1cf67bef
# good: [a0a68fb6872f545acd49035ea17c52a9f30d07dc] drm/sun4i: Pass
pointer for underlying backend into layer init
git bisect good a0a68fb6872f545acd49035ea17c52a9f30d07dc
# good: [7d55034799cdc9945ce7975d690f944575376e34] ARM: dts: sunxi:
Remove no longer used pinctrl/sun4i-a10.h header
git bisect good 7d55034799cdc9945ce7975d690f944575376e34
# bad: [681cc0445e24fe5cb4e7de960947443de592621c] Merge branches
'sunxi/clk-for-4.12', 'sunxi/core-for-4.12', 'sunxi/defconfig-fo\
r-4.12', 'sunxi/drm-for-4.12' and 'sunxi/dt-for-4.12' into sunxi/for-next
git bisect bad 681cc0445e24fe5cb4e7de960947443de592621c
# good: [b0f0daa8fe9e74b85f6360288d38224ad1c2f2f4] clk: sunxi-ng:
sun5i: Fix mux width for csi clock
git bisect good b0f0daa8fe9e74b85f6360288d38224ad1c2f2f4
# bad: [7cae7ef89e360cd3dc139eaac2f480c25bc7bfa1] ARM:
multi_v7_defconfig: Switch AXP20x driver from module to built-in
git bisect bad 7cae7ef89e360cd3dc139eaac2f480c25bc7bfa1
# good: [5741e07b465d32458945d363ce87c0e2b7fd028d] ARM:
multi_v7_defconfig: Switch sunxi RSB driver from module to built-in
git bisect good 5741e07b465d32458945d363ce87c0e2b7fd028d
# good: [f48a203cc44f26921f05911c047db49d2864c797] ARM:
multi_v7_defconfig: Enable AC100 RTC driver
git bisect good f48a203cc44f26921f05911c047db49d2864c797
# first bad commit: [7cae7ef89e360cd3dc139eaac2f480c25bc7bfa1] ARM:
multi_v7_defconfig: Switch AXP20x driver from module to built\
-in