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char: add HAS_IOPORT dependencies

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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>
Link: https://lore.kernel.org/r/20230522105049.1467313-4-schnelle@linux.ibm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Niklas Schnelle 2023-05-22 12:50:08 +02:00 committed by Greg Kroah-Hartman
parent ab7f17fb5b
commit 1fbb0b2035
1 changed files with 2 additions and 1 deletions
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3
drivers/char/Kconfig
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@ -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