linux-kernel - [PATCH 0/1] tty: Handle HAS

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Message-Id: <20240405152924.252598-1-schnelle@linux.ibm.com>
Date: Fri,  5 Apr 2024 17:29:23 +0200
From: Niklas Schnelle <schnelle@...ux.ibm.com>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
Cc: linux-serial@...r.kernel.org, Arnd Bergmann <arnd@...nel.org>,
        Heiko Carstens <hca@...ux.ibm.com>, linux-kernel@...r.kernel.org,
        Niklas Schnelle <schnelle@...ux.ibm.com>
Subject: [PATCH 0/1] tty: Handle HAS_IOPORT dependencies

Hi Greg, Jiri, Ilpo,

This is a follow up in my ongoing effort of making inb()/outb() and
similar I/O port accessors compile-time optional. Previously I sent this
as a treewide series titled "treewide: Remove I/O port accessors for
HAS_IOPORT=n" with the latest being its 5th version[0]. With a significant
subset of patches merged I've changed over to per-subsystem series. These
series are stand alone and should be merged via the relevant tree such
that with all subsystems complete we can follow this up with the final
patch that will make the I/O port accessors compile-time optional.

The current state of the full series with changes to the remaining subsystems
and the aforementioned final patch can be found for your convenience on my
git.kernel.org tree in the has_ioport branch[1]. As for compile-time vs runtime
see Linus' reply to my first attempt[2].

The patch was previously acked[3] by Greg but given this was almost
a year ago and didn't apply then I didn't carry the Ack over. That said
I don't think there were non trivial changes.

Thanks,
Niklas

[0] https://lore.kernel.org/all/20230522105049.1467313-1-schnelle@linux.ibm.com/
[1] https://git.kernel.org/pub/scm/linux/kernel/git/niks/linux.git/log/?h=has_ioport
[2] https://lore.kernel.org/lkml/CAHk-=wg80je=K7madF4e7WrRNp37e3qh6y10Svhdc7O8SZ_-8g@mail.gmail.com/
[3] https://lore.kernel.org/all/2023053050-prodigal-shine-4d1c@gregkh/

Niklas Schnelle (1):
  tty: serial: handle HAS_IOPORT dependencies

 drivers/tty/Kconfig                  |  4 +--
 drivers/tty/serial/8250/8250_early.c |  4 +++
 drivers/tty/serial/8250/8250_pci.c   | 14 ++++++++++
 drivers/tty/serial/8250/8250_port.c  | 42 +++++++++++++++++++++++-----
 drivers/tty/serial/8250/Kconfig      |  7 ++---
 drivers/tty/serial/Kconfig           |  2 +-
 6 files changed, 59 insertions(+), 14 deletions(-)

-- 
2.40.1