All of lore.kernel.org
 help / color / mirror / Atom feed
From: Pavel Machek <pavel@denx.de>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org,
	Daniel Drake <drake@endlessm.com>,
	Ian W MORRISON <ianwmorrison@gmail.com>,
	Hans de Goede <hdegoede@redhat.com>,
	Mika Westerberg <mika.westerberg@linux.intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH 4.19 16/50] gpiolib: acpi: Add gpiolib_acpi_run_edge_events_on_boot option and blacklist
Date: Thu, 19 Sep 2019 09:46:01 +0200	[thread overview]
Message-ID: <20190919074601.GA6968@amd> (raw)
In-Reply-To: <20190918061224.680169319@linuxfoundation.org>

[-- Attachment #1: Type: text/plain, Size: 1378 bytes --]

On Wed 2019-09-18 08:18:59, Greg Kroah-Hartman wrote:
> From: Hans de Goede <hdegoede@redhat.com>
> 
> commit 61f7f7c8f978b1c0d80e43c83b7d110ca0496eb4 upstream.
> 
> Another day; another DSDT bug we need to workaround...
> 
> Since commit ca876c7483b6 ("gpiolib-acpi: make sure we trigger edge events
> at least once on boot") we call _AEI edge handlers at boot.
> 
> In some rare cases this causes problems. One example of this is the Minix
> Neo Z83-4 mini PC, this device has a clear DSDT bug where it has some copy
> and pasted code for dealing with Micro USB-B connector host/device role
> switching, while the mini PC does not even have a micro-USB connector.
> This code, which should not be there, messes with the DDC data pin from
> the HDMI connector (switching it to GPIO mode) breaking HDMI support.
> 
> To avoid problems like this, this commit adds a new
> gpiolib_acpi.run_edge_events_on_boot kernel commandline option, which
> allows disabling the running of _AEI edge event handlers at boot.

So... apparently Windows does _not_ run _AEI edge event handlers at
boot, otherwise Minix would realize that fault.

Would it make sense not to do it by default, either?

Best regards,
								Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 181 bytes --]

  reply	other threads:[~2019-09-19  7:46 UTC|newest]

Thread overview: 63+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-18  6:18 [PATCH 4.19 00/50] 4.19.74-stable review Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 01/50] bridge/mdb: remove wrong use of NLM_F_MULTI Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 02/50] cdc_ether: fix rndis support for Mediatek based smartphones Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 03/50] ipv6: Fix the link time qualifier of ping_v6_proc_exit_net() Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 04/50] isdn/capi: check message length in capi_write() Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 05/50] ixgbe: Fix secpath usage for IPsec TX offload Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 06/50] net: Fix null de-reference of device refcount Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 07/50] net: gso: Fix skb_segment splat when splitting gso_size mangled skb having linear-headed frag_list Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 08/50] net: phylink: Fix flow control resolution Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 09/50] net: sched: fix reordering issues Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 10/50] sch_hhf: ensure quantum and hhf_non_hh_weight are non-zero Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 11/50] sctp: Fix the link time qualifier of sctp_ctrlsock_exit() Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 12/50] sctp: use transport pf_retrans in sctp_do_8_2_transport_strike Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 13/50] tcp: fix tcp_ecn_withdraw_cwr() to clear TCP_ECN_QUEUE_CWR Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 14/50] tipc: add NULL pointer check before calling kfree_rcu Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 15/50] tun: fix use-after-free when register netdev failed Greg Kroah-Hartman
2019-09-18  6:18 ` [PATCH 4.19 16/50] gpiolib: acpi: Add gpiolib_acpi_run_edge_events_on_boot option and blacklist Greg Kroah-Hartman
2019-09-19  7:46   ` Pavel Machek [this message]
2019-09-20 13:56     ` Hans de Goede
2019-09-18  6:19 ` [PATCH 4.19 17/50] gpio: fix line flag validation in linehandle_create Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 18/50] Btrfs: fix assertion failure during fsync and use of stale transaction Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 19/50] ixgbe: Prevent u8 wrapping of ITR value to something less than 10us Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 20/50] genirq: Prevent NULL pointer dereference in resend_irqs() Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 21/50] KVM: s390: kvm_s390_vm_start_migration: check dirty_bitmap before using it as target for memset() Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 22/50] KVM: s390: Do not leak kernel stack data in the KVM_S390_INTERRUPT ioctl Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 23/50] KVM: x86: work around leak of uninitialized stack contents Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 24/50] KVM: nVMX: handle page fault in vmread Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 25/50] x86/purgatory: Change compiler flags from -mcmodel=kernel to -mcmodel=large to fix kexec relocation errors Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 26/50] powerpc: Add barrier_nospec to raw_copy_in_user() Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 27/50] drm/meson: Add support for XBGR8888 & ABGR8888 formats Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 28/50] clk: rockchip: Dont yell about bad mmc phases when getting Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 29/50] mtd: rawnand: mtk: Fix wrongly assigned OOB buffer pointer issue Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 30/50] PCI: Always allow probing with driver_override Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 31/50] gpio: fix line flag validation in lineevent_create Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 32/50] ubifs: Correctly use tnc_next() in search_dh_cookie() Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 33/50] driver core: Fix use-after-free and double free on glue directory Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 34/50] crypto: talitos - check AES key size Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 35/50] crypto: talitos - fix CTR alg blocksize Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 36/50] crypto: talitos - check data blocksize in ablkcipher Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 37/50] crypto: talitos - fix ECB algs ivsize Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 38/50] crypto: talitos - Do not modify req->cryptlen on decryption Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 39/50] crypto: talitos - HMAC SNOOP NO AFEU mode requires SW icv checking Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 40/50] firmware: ti_sci: Always request response from firmware Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 41/50] drm: panel-orientation-quirks: Add extra quirk table entry for GPD MicroPC Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 42/50] drm/mediatek: mtk_drm_drv.c: Add of_node_put() before goto Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 43/50] Revert "Bluetooth: btusb: driver to enable the usb-wakeup feature" Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 44/50] iio: adc: stm32-dfsdm: fix data type Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 45/50] modules: fix BUG when load module with rodata=n Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 46/50] modules: fix compile error if dont have strict module rwx Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 47/50] platform/x86: pmc_atom: Add CB4063 Beckhoff Automation board to critclk_systems DMI table Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 48/50] rsi: fix a double free bug in rsi_91x_deinit() Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 49/50] nvmem: Use the same permissions for eeprom as for nvmem Greg Kroah-Hartman
2019-09-18  6:19 ` [PATCH 4.19 50/50] x86/build: Add -Wnoaddress-of-packed-member to REALMODE_CFLAGS, to silence GCC9 build warning Greg Kroah-Hartman
2019-09-18 11:59 ` [PATCH 4.19 00/50] 4.19.74-stable review kernelci.org bot
2019-09-18 12:59 ` Guenter Roeck
2019-09-18 13:40   ` Greg Kroah-Hartman
2019-09-18 13:51     ` Greg Kroah-Hartman
2019-09-18 16:28 ` Jon Hunter
2019-09-18 16:28   ` Jon Hunter
2019-09-18 19:15 ` Naresh Kamboju
2019-09-18 19:37 ` Guenter Roeck
2019-09-19  6:37   ` Greg Kroah-Hartman
2019-09-19  1:24 ` shuah

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190919074601.GA6968@amd \
    --to=pavel@denx.de \
    --cc=andriy.shevchenko@linux.intel.com \
    --cc=drake@endlessm.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=hdegoede@redhat.com \
    --cc=ianwmorrison@gmail.com \
    --cc=linus.walleij@linaro.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mika.westerberg@linux.intel.com \
    --cc=stable@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.