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Lutz Koschorreck 323ca765bf arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator 
The interrupt pin of the external ethernet phy is used, instead of the
enable-gpio pin of the tf-io regulator. The GPIOE_2 pin is located in
the gpio_ao bank.

This causes phy interrupt problems at system startup.
[   76.645190] irq 36: nobody cared (try booting with the "irqpoll" option)
[   76.649617] CPU: 0 PID: 1416 Comm: irq/36-0.0:00 Not tainted 5.16.0 #2
[   76.649629] Hardware name: Hardkernel ODROID-HC4 (DT)
[   76.649635] Call trace:
[   76.649638]  dump_backtrace+0x0/0x1c8
[   76.649658]  show_stack+0x14/0x60
[   76.649667]  dump_stack_lvl+0x64/0x7c
[   76.649676]  dump_stack+0x14/0x2c
[   76.649683]  __report_bad_irq+0x38/0xe8
[   76.649695]  note_interrupt+0x220/0x3a0
[   76.649704]  handle_irq_event_percpu+0x58/0x88
[   76.649713]  handle_irq_event+0x44/0xd8
[   76.649721]  handle_fasteoi_irq+0xa8/0x130
[   76.649730]  generic_handle_domain_irq+0x38/0x58
[   76.649738]  gic_handle_irq+0x9c/0xb8
[   76.649747]  call_on_irq_stack+0x28/0x38
[   76.649755]  do_interrupt_handler+0x7c/0x80
[   76.649763]  el1_interrupt+0x34/0x80
[   76.649772]  el1h_64_irq_handler+0x14/0x20
[   76.649781]  el1h_64_irq+0x74/0x78
[   76.649788]  irq_finalize_oneshot.part.56+0x68/0xf8
[   76.649796]  irq_thread_fn+0x5c/0x98
[   76.649804]  irq_thread+0x13c/0x260
[   76.649812]  kthread+0x144/0x178
[   76.649822]  ret_from_fork+0x10/0x20
[   76.649830] handlers:
[   76.653170] [<0000000025a6cd31>] irq_default_primary_handler threaded [<0000000093580eb7>] phy_interrupt
[   76.661256] Disabling IRQ #36

Fixes: 1f80a5cf74 ("arm64: dts: meson-sm1-odroid: add missing enable gpio and supply for tf_io regulator")
Signed-off-by: Lutz Koschorreck <theleks@ko-hh.de>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
[narmstrong: removed spurious invalid & blank lines from commit message]
Link: https://lore.kernel.org/r/20220127130537.GA187347@odroid-VirtualBox
2022-02-04 09:13:58 +01:00
arch arm64: dts: meson-sm1-odroid: use correct enable-gpio pin for tf-io regulator 2022-02-04 09:13:58 +01:00
block bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
certs certs: Fix build error when CONFIG_MODULE_SIG_KEY is empty 2022-01-23 00:08:44 +09:00
crypto lib/crypto: add prompts back to crypto libraries 2022-01-18 13:03:55 +01:00
Documentation Merge branch 'akpm' (patches from Andrew) 2022-01-22 11:28:23 +02:00
drivers bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
fs bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
include bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
init lib/stackdepot: allow optional init and stack_table allocation by kvmalloc() 2022-01-22 08:33:37 +02:00
ipc proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
kernel ftrace: Fix s390 breakage from sorting mcount tables 2022-01-23 08:07:02 +02:00
lib bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
LICENSES LICENSES/LGPL-2.1: Add LGPL-2.1-or-later as valid identifiers 2021-12-16 14:33:10 +01:00
mm bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
net bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
samples Merge branch 'akpm' (patches from Andrew) 2022-01-20 10:41:01 +02:00
scripts Devicetree fixes for v5.17, take 1: 2022-01-22 09:52:17 +02:00
security fs.idmapped.v5.17 2022-01-11 14:26:55 -08:00
sound proc: remove PDE_DATA() completely 2022-01-22 08:33:37 +02:00
tools perf tools changes for v5.17: 2nd batch 2022-01-23 08:14:21 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-01-22 21:48:45 +09:00
virt Generic: 2022-01-22 09:40:01 +02:00
.clang-format genirq/msi: Make interrupt allocation less convoluted 2021-12-16 22:22:20 +01:00
.cocciconfig
.get_maintainer.ignore Opt out of scripts/get_maintainer.pl 2019-05-16 10:53:40 -07:00
.gitattributes .gitattributes: use 'dts' diff driver for dts files 2019-12-04 19:44:11 -08:00
.gitignore .gitignore: ignore only top-level modules.builtin 2021-05-02 00:43:35 +09:00
.mailmap RISCV: 2022-01-16 16:15:14 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Removing Ohad from remoteproc/rpmsg maintenance 2021-12-08 10:09:40 -07:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS bitmap patches for 5.17-rc1 2022-01-23 06:20:44 +02:00
Makefile Linux 5.17-rc1 2022-01-23 10:12:53 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.