diff mbox series

[v5,03/44] char: add HAS_IOPORT dependencies

Message ID 20230522105049.1467313-4-schnelle@linux.ibm.com
State New
Headers show
Series treewide: Remove I/O port accessors for HAS_IOPORT=n | expand

Commit Message

Niklas Schnelle May 22, 2023, 10:50 a.m. UTC 
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.

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/char/Kconfig | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

Comments

Geert Uytterhoeven July 4, 2023, 8:09 a.m. UTC | #1 
Hi Niklas,

On Mon, May 22, 2023 at 12:51 PM Niklas Schnelle <schnelle@linux.ibm.com> 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.
>
> 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>

Thanks for your patch, which is now commit 1fbb0b203574bb16 ("char:
add HAS_IOPORT dependencies") upstream.

> --- a/drivers/char/Kconfig
> +++ b/drivers/char/Kconfig

> @@ -340,7 +341,7 @@ config NVRAM
>
>  config DEVPORT
>         bool "/dev/port character device"
> -       depends on ISA || PCI
> +       depends on HAS_IOPORT
>         default y
>         help
>           Say Y here if you want to support the /dev/port device. The /dev/port

FTR, this change makes DEVPORT show up on Atari with ATARI_ROM_ISA=y.
I guess it doesn't matter much, though.

Gr{oetje,eeting}s,

                        Geert
diff mbox series

Patch

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 801d6c83f896..625af75833fc 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -34,6 +34,7 @@  config TTY_PRINTK_LEVEL
 config PRINTER
 	tristate "Parallel printer support"
 	depends on PARPORT
+	depends on HAS_IOPORT || PARPORT_NOT_PC
 	help
 	  If you intend to attach a printer to the parallel port of your Linux
 	  box (as opposed to using a serial printer; if the connector at the
@@ -340,7 +341,7 @@  config NVRAM
 
 config DEVPORT
 	bool "/dev/port character device"
-	depends on ISA || PCI
+	depends on HAS_IOPORT
 	default y
 	help
 	  Say Y here if you want to support the /dev/port device. The /dev/port