From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Niklas Schnelle <schnelle@linux.ibm.com>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Arnd Bergmann <arnd@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
John Garry <john.garry@huawei.com>,
Nick Hu <nickhu@andestech.com>, Greentime Hu <green.hu@gmail.com>,
Vincent Chen <deanbo422@gmail.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>, Guo Ren <guoren@kernel.org>,
Damien Le Moal <damien.lemoal@opensource.wdc.com>,
Ian Abbott <abbotti@mev.co.uk>,
H Hartley Sweeten <hsweeten@visionengravers.com>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Jean Delvare <jdelvare@suse.com>,
Guenter Roeck <linux@roeck-us.net>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Karsten Keil <isdn@linux-pingi.de>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Sathya Prakash <sathya.prakash@broadcom.com>,
Sreekanth Reddy <sreekanth.reddy@broadcom.com>,
Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>,
Michael Grzeschik <m.grzeschik@pengutronix.de>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Jesse Brandeburg <jesse.brandeburg@intel.com>,
Tony Nguyen <anthony.l.nguyen@intel.com>,
Kalle Valo <kvalo@kernel.org>, Jouni Malinen <j@w1.fi>,
"James E.J. Bottomley" <jejb@linux.ibm.com>,
"Martin K. Petersen" <martin.petersen@oracle.com>,
Hannes Reinecke <hare@suse.com>,
Kashyap Desai <kashyap.desai@broadcom.com>,
Sumit Saxena <sumit.saxena@broadcom.com>,
Shivasharan S <shivasharan.srikanteshwara@broadcom.com>,
Nilesh Javali <njavali@marvell.com>,
GR-QLogic-Storage-Upstream@marvell.com,
Mark Brown <broonie@kernel.org>,
Sudip Mukherjee <sudipm.mukherjee@gmail.com>,
Teddy Wang <teddy.wang@siliconmotion.com>,
Forest Bond <forest@alittletooquiet.net>,
Jiri Slaby <jirislaby@kernel.org>,
Wim Van Sebroeck <wim@linux-watchdog.org>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org,
linux-pci@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-csky@vger.kernel.org, linux-ide@vger.kernel.org,
linux-gpio@vger.kernel.org, linux-hwmon@vger.kernel.org,
linux-i2c@vger.kernel.org, linux-input@vger.kernel.org,
netdev@vger.kernel.org, linux-media@vger.kernel.org,
MPT-FusionLinux.pdl@broadcom.com, linux-scsi@vger.kernel.org,
intel-wired-lan@lists.osuosl.org, linux-wireless@vger.kernel.org,
megaraidlinux.pdl@broadcom.com, linux-spi@vger.kernel.org,
linux-fbdev@vger.kernel.org, linux-staging@lists.linux.dev,
linux-serial@vger.kernel.org, dri-devel@lists.freedesktop.org,
linux-watchdog@vger.kernel.org, alsa-devel@alsa-project.org
Subject: Re: [RFC 01/32] Kconfig: introduce and depend on LEGACY_PCI
Date: Tue, 28 Dec 2021 13:01:38 +0100 [thread overview]
Message-ID: <Ycr8ooFX+w9RGu1M@kroah.com> (raw)
In-Reply-To: <b1475f6aecb752a858941f44a957b2183cd68405.camel@linux.ibm.com>
On Tue, Dec 28, 2021 at 11:58:55AM +0100, Niklas Schnelle wrote:
> We add both LEGACY_PCI and HAS_IOPORT to differentiate between two
> cases. HAS_IOPORT is for PC-style devices that are not on a PCI card
> while LEGACY_PCI is for PCI drivers that require port I/O. This
> includes pre-PCIe devices as well as PCIe devices which require
> features like I/O spaces. The "legacy" naming is comes from the PCIe
> spec which in section 2.1.1.2 says "PCI Express supports I/O Space for
> compatibility with legacy devices which require their use. Future
> revisions of this specification may deprecate the use of I/O Space."
Ah, then mention the reason why this is called LEGACY_PCI is that it is
because that is what the PCI spec calls it. It was not obvious here at
all that this is where the name came from.
thanks,
greg k-h
next prev parent reply other threads:[~2021-12-28 12:01 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-27 16:42 [RFC 00/32] Kconfig: Introduce HAS_IOPORT and LEGACY_PCI options Niklas Schnelle
2021-12-27 16:42 ` [RFC 01/32] Kconfig: introduce and depend on LEGACY_PCI Niklas Schnelle
2021-12-27 17:48 ` Guenter Roeck
2021-12-28 2:09 ` Mauro Carvalho Chehab
2021-12-28 8:21 ` Greg Kroah-Hartman
2021-12-28 9:15 ` Mauro Carvalho Chehab
2021-12-28 10:58 ` Niklas Schnelle
2021-12-28 12:01 ` Greg Kroah-Hartman [this message]
2021-12-28 12:54 ` Mauro Carvalho Chehab
2021-12-28 15:06 ` Niklas Schnelle
2021-12-28 17:12 ` Mauro Carvalho Chehab
2021-12-29 11:45 ` Niklas Schnelle
2021-12-29 12:12 ` Mauro Carvalho Chehab
2021-12-29 16:03 ` Bjorn Helgaas
2021-12-29 16:55 ` Niklas Schnelle
2022-01-05 17:42 ` John Garry
2022-01-05 19:47 ` Bjorn Helgaas
2022-01-06 17:41 ` John Garry
2022-01-06 18:14 ` Bjorn Helgaas
2022-01-07 17:16 ` John Garry
2022-01-10 9:34 ` Niklas Schnelle
2021-12-27 16:42 ` [RFC 02/32] Kconfig: introduce HAS_IOPORT option and select it as necessary Niklas Schnelle
2021-12-28 10:08 ` Geert Uytterhoeven
2021-12-29 1:20 ` Michael Schmitz
2021-12-29 3:41 ` Arnd Bergmann
2021-12-29 4:15 ` Michael Schmitz
2021-12-30 1:48 ` Arnd Bergmann
2021-12-30 3:44 ` Michael Schmitz
2021-12-31 11:28 ` Niklas Schnelle
2021-12-31 16:04 ` Arnd Bergmann
2021-12-31 21:55 ` Michael Schmitz
2021-12-28 16:32 ` Mauro Carvalho Chehab
2021-12-27 16:42 ` [RFC 03/32] ACPI: Kconfig: add HAS_IOPORT dependencies Niklas Schnelle
2021-12-27 16:47 ` Rafael J. Wysocki
2021-12-27 17:02 ` Niklas Schnelle
2021-12-27 17:12 ` Rafael J. Wysocki
2021-12-27 17:15 ` Rafael J. Wysocki
2021-12-27 17:43 ` Niklas Schnelle
2021-12-28 15:20 ` Rafael J. Wysocki
2021-12-28 16:31 ` Niklas Schnelle
2021-12-27 16:42 ` [RFC 04/32] parport: PC style parport depends on HAS_IOPORT Niklas Schnelle
2021-12-28 10:14 ` Geert Uytterhoeven
2021-12-28 14:21 ` Niklas Schnelle
2021-12-29 2:58 ` Arnd Bergmann
2021-12-27 16:42 ` [RFC 05/32] char: impi, tpm: depend " Niklas Schnelle
2021-12-28 10:17 ` Geert Uytterhoeven
2021-12-28 12:13 ` Niklas Schnelle
2021-12-27 16:42 ` [RFC 06/32] speakup: Kconfig: add HAS_IOPORT dependencies Niklas Schnelle
2021-12-27 17:52 ` Samuel Thibault
2021-12-27 16:42 ` [RFC 07/32] Input: gameport: add ISA and " Niklas Schnelle
2021-12-27 16:42 ` [RFC 08/32] comedi: Kconfig: add " Niklas Schnelle
2021-12-27 16:42 ` [RFC 09/32] sound: " Niklas Schnelle
2021-12-27 16:42 ` [RFC 10/32] i2c: " Niklas Schnelle
2021-12-28 10:21 ` Geert Uytterhoeven
2021-12-28 12:13 ` Niklas Schnelle
2021-12-27 16:42 ` [RFC 11/32] Input: " Niklas Schnelle
2021-12-28 10:23 ` Geert Uytterhoeven
2021-12-27 16:42 ` [RFC 12/32] iio: adc: " Niklas Schnelle
2021-12-28 10:32 ` Geert Uytterhoeven
2021-12-28 12:50 ` Niklas Schnelle
2021-12-28 17:01 ` Jonathan Cameron
2022-01-30 15:05 ` Jonathan Cameron
2021-12-27 16:42 ` [RFC 13/32] hwmon: " Niklas Schnelle
2021-12-27 18:07 ` Guenter Roeck
2021-12-27 16:42 ` [RFC 14/32] leds: " Niklas Schnelle
2021-12-27 16:43 ` [RFC 15/32] media: " Niklas Schnelle
2021-12-27 16:43 ` [RFC 16/32] misc: handle " Niklas Schnelle
2021-12-28 8:15 ` Greg Kroah-Hartman
2021-12-27 16:43 ` [RFC 17/32] net: Kconfig: add " Niklas Schnelle
2021-12-27 17:28 ` Marc Kleine-Budde
2021-12-27 16:43 ` [RFC 18/32] pcmcia: " Niklas Schnelle
2021-12-27 18:41 ` Dominik Brodowski
2021-12-27 16:43 ` [RFC 19/32] platform: " Niklas Schnelle
2021-12-27 16:43 ` [RFC 20/32] pnp: " Niklas Schnelle
2021-12-27 16:43 ` [RFC 21/32] power: " Niklas Schnelle
2021-12-27 16:43 ` [RFC 22/32] video: handle " Niklas Schnelle
2021-12-27 16:43 ` [RFC 23/32] rtc: Kconfig: add " Niklas Schnelle
2021-12-27 16:43 ` [RFC 24/32] scsi: " Niklas Schnelle
2021-12-28 10:40 ` Geert Uytterhoeven
2021-12-27 16:43 ` [RFC 25/32] watchdog: " Niklas Schnelle
2021-12-27 18:03 ` Guenter Roeck
2021-12-28 9:58 ` Niklas Schnelle
2021-12-27 16:43 ` [RFC 26/32] drm: handle " Niklas Schnelle
2022-01-03 6:11 ` Gerd Hoffmann
2021-12-27 16:43 ` [RFC 27/32] PCI/sysfs: make I/O resource depend on HAS_IOPORT Niklas Schnelle
2021-12-27 22:04 ` Bjorn Helgaas
2021-12-27 16:43 ` [RFC 28/32] PCI: make quirk using inw() " Niklas Schnelle
2021-12-27 22:33 ` Bjorn Helgaas
2021-12-28 15:25 ` Niklas Schnelle
2021-12-28 16:35 ` Bjorn Helgaas
2021-12-28 16:52 ` Niklas Schnelle
2021-12-28 17:28 ` Bjorn Helgaas
2021-12-27 16:43 ` [RFC 29/32] firmware: dmi-sysfs: handle HAS_IOPORT dependencies Niklas Schnelle
2021-12-27 16:43 ` [RFC 30/32] /dev/port: don't compile file operations without CONFIG_DEVPORT Niklas Schnelle
2021-12-28 8:17 ` Greg Kroah-Hartman
2021-12-29 10:25 ` Niklas Schnelle
2021-12-29 10:38 ` Greg Kroah-Hartman
2021-12-30 16:19 ` Arnd Bergmann
2021-12-27 16:43 ` [RFC 31/32] usb: handle HAS_IOPORT dependencies Niklas Schnelle
2021-12-27 20:36 ` Alan Stern
2021-12-31 11:06 ` Niklas Schnelle
2021-12-31 17:15 ` Alan Stern
2022-01-03 11:35 ` Niklas Schnelle
2022-01-03 16:15 ` Alan Stern
2021-12-27 16:43 ` [RFC 32/32] asm-generic/io.h: drop inb() etc for HAS_IOPORT=n Niklas Schnelle
2022-01-06 17:45 ` [RFC 00/32] Kconfig: Introduce HAS_IOPORT and LEGACY_PCI options John Garry
2022-01-07 7:21 ` Niklas Schnelle
2022-01-07 16:57 ` John Garry
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=Ycr8ooFX+w9RGu1M@kroah.com \
--to=gregkh@linuxfoundation.org \
--cc=GR-QLogic-Storage-Upstream@marvell.com \
--cc=MPT-FusionLinux.pdl@broadcom.com \
--cc=abbotti@mev.co.uk \
--cc=alsa-devel@alsa-project.org \
--cc=anthony.l.nguyen@intel.com \
--cc=aou@eecs.berkeley.edu \
--cc=arnd@kernel.org \
--cc=bhelgaas@google.com \
--cc=brgl@bgdev.pl \
--cc=broonie@kernel.org \
--cc=damien.lemoal@opensource.wdc.com \
--cc=davem@davemloft.net \
--cc=deanbo422@gmail.com \
--cc=dmitry.torokhov@gmail.com \
--cc=dri-devel@lists.freedesktop.org \
--cc=forest@alittletooquiet.net \
--cc=green.hu@gmail.com \
--cc=guoren@kernel.org \
--cc=hare@suse.com \
--cc=hsweeten@visionengravers.com \
--cc=hverkuil-cisco@xs4all.nl \
--cc=intel-wired-lan@lists.osuosl.org \
--cc=isdn@linux-pingi.de \
--cc=j@w1.fi \
--cc=jdelvare@suse.com \
--cc=jejb@linux.ibm.com \
--cc=jesse.brandeburg@intel.com \
--cc=jirislaby@kernel.org \
--cc=john.garry@huawei.com \
--cc=kashyap.desai@broadcom.com \
--cc=kuba@kernel.org \
--cc=kvalo@kernel.org \
--cc=linus.walleij@linaro.org \
--cc=linux-arch@vger.kernel.org \
--cc=linux-csky@vger.kernel.org \
--cc=linux-fbdev@vger.kernel.org \
--cc=linux-gpio@vger.kernel.org \
--cc=linux-hwmon@vger.kernel.org \
--cc=linux-i2c@vger.kernel.org \
--cc=linux-ide@vger.kernel.org \
--cc=linux-input@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-media@vger.kernel.org \
--cc=linux-pci@vger.kernel.org \
--cc=linux-riscv@lists.infradead.org \
--cc=linux-scsi@vger.kernel.org \
--cc=linux-serial@vger.kernel.org \
--cc=linux-spi@vger.kernel.org \
--cc=linux-staging@lists.linux.dev \
--cc=linux-watchdog@vger.kernel.org \
--cc=linux-wireless@vger.kernel.org \
--cc=linux@roeck-us.net \
--cc=m.grzeschik@pengutronix.de \
--cc=martin.petersen@oracle.com \
--cc=mchehab@kernel.org \
--cc=megaraidlinux.pdl@broadcom.com \
--cc=netdev@vger.kernel.org \
--cc=nickhu@andestech.com \
--cc=njavali@marvell.com \
--cc=palmer@dabbelt.com \
--cc=paul.walmsley@sifive.com \
--cc=perex@perex.cz \
--cc=sathya.prakash@broadcom.com \
--cc=schnelle@linux.ibm.com \
--cc=shivasharan.srikanteshwara@broadcom.com \
--cc=sreekanth.reddy@broadcom.com \
--cc=sudipm.mukherjee@gmail.com \
--cc=suganath-prabu.subramani@broadcom.com \
--cc=sumit.saxena@broadcom.com \
--cc=teddy.wang@siliconmotion.com \
--cc=tiwai@suse.com \
--cc=wim@linux-watchdog.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).