Linux-csky Archive mirror
 help / color / mirror / Atom feed
From: Guenter Roeck <linux@roeck-us.net>
To: Niklas Schnelle <schnelle@linux.ibm.com>,
	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>,
	Wim Van Sebroeck <wim@linux-watchdog.org>
Cc: 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-watchdog@vger.kernel.org
Subject: Re: [RFC 25/32] watchdog: Kconfig: add HAS_IOPORT dependencies
Date: Mon, 27 Dec 2021 10:03:13 -0800	[thread overview]
Message-ID: <280c0490-3a68-5498-5751-d53162203b5b@roeck-us.net> (raw)
In-Reply-To: <20211227164317.4146918-26-schnelle@linux.ibm.com>

On 12/27/21 8:43 AM, Niklas Schnelle wrote:
> In a future patch HAS_IOPORT=n will result in inb()/outb() and friends
> not being declared. We thus need to add HAS_IOPORT as dependency for
> those drivers using them.
> 

How is the need for HAS_IOPORT determined, when exactly is it needed,
and when not ?

$ git grep -E "inb|inw" drivers/watchdog/ | cut -f1 -d: | sort -u
drivers/watchdog/acquirewdt.c
drivers/watchdog/advantechwdt.c
drivers/watchdog/cpu5wdt.c
drivers/watchdog/f71808e_wdt.c
drivers/watchdog/ibmasr.c
drivers/watchdog/ie6xx_wdt.c
drivers/watchdog/it8712f_wdt.c
drivers/watchdog/it87_wdt.c
drivers/watchdog/iTCO_vendor_support.c
drivers/watchdog/iTCO_wdt.c
drivers/watchdog/Kconfig
drivers/watchdog/machzwd.c
drivers/watchdog/mixcomwd.c
drivers/watchdog/ni903x_wdt.c
drivers/watchdog/nic7018_wdt.c
drivers/watchdog/nv_tco.c
drivers/watchdog/pc87413_wdt.c
drivers/watchdog/pcwd.c
drivers/watchdog/pcwd_pci.c
drivers/watchdog/sbc60xxwdt.c
drivers/watchdog/sbc7240_wdt.c
drivers/watchdog/sc1200wdt.c
drivers/watchdog/sch311x_wdt.c
drivers/watchdog/smsc37b787_wdt.c
drivers/watchdog/sp5100_tco.c
drivers/watchdog/w83627hf_wdt.c
drivers/watchdog/w83877f_wdt.c
drivers/watchdog/w83977f_wdt.c
drivers/watchdog/wafer5823wdt.c
drivers/watchdog/wdt977.c
drivers/watchdog/wdt.c
drivers/watchdog/wdt_pci.c

Guenter

> Co-developed-by: Arnd Bergmann <arnd@kernel.org>
> Signed-off-by: Arnd Bergmann <arnd@kernel.org>
> Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
> ---
>   drivers/watchdog/Kconfig | 2 ++
>   1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
> index 05258109bcc2..2e87a65bdc8b 100644
> --- a/drivers/watchdog/Kconfig
> +++ b/drivers/watchdog/Kconfig
> @@ -452,6 +452,7 @@ config 21285_WATCHDOG
>   config 977_WATCHDOG
>   	tristate "NetWinder WB83C977 watchdog"
>   	depends on (FOOTBRIDGE && ARCH_NETWINDER) || (ARM && COMPILE_TEST)
> +	depends on HAS_IOPORT
>   	help
>   	  Say Y here to include support for the WB977 watchdog included in
>   	  NetWinder machines. Alternatively say M to compile the driver as
> @@ -1200,6 +1201,7 @@ config ITCO_WDT
>   	select WATCHDOG_CORE
>   	depends on I2C || I2C=n
>   	depends on MFD_INTEL_PMC_BXT || !MFD_INTEL_PMC_BXT
> +	depends on HAS_IOPORT # for I2C_I801
>   	select LPC_ICH if !EXPERT
>   	select I2C_I801 if !EXPERT && I2C
>   	help
> 


  reply	other threads:[~2021-12-27 18:03 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
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 [this message]
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=280c0490-3a68-5498-5751-d53162203b5b@roeck-us.net \
    --to=linux@roeck-us.net \
    --cc=aou@eecs.berkeley.edu \
    --cc=arnd@kernel.org \
    --cc=bhelgaas@google.com \
    --cc=deanbo422@gmail.com \
    --cc=green.hu@gmail.com \
    --cc=guoren@kernel.org \
    --cc=john.garry@huawei.com \
    --cc=linux-arch@vger.kernel.org \
    --cc=linux-csky@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-pci@vger.kernel.org \
    --cc=linux-riscv@lists.infradead.org \
    --cc=linux-watchdog@vger.kernel.org \
    --cc=nickhu@andestech.com \
    --cc=palmer@dabbelt.com \
    --cc=paul.walmsley@sifive.com \
    --cc=schnelle@linux.ibm.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).