char: group dev configs togther
Group /dev/{mem,kmem,nvram,raw,port} driver configs together.
This also means that tty configs are now grouped together instead
of being split up.
This just moves Kconfig lines around. There are no other changes.
Cc: linux-serial@vger.kernel.org
Cc: Jiri Slaby <jslaby@suse.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20200311225736.32147-2-rdunlap@infradead.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Randy Dunlap
Greg Kroah-Hartman
parent
bb3a151dd4
commit
8d7dc56ee9
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@ -7,25 +7,6 @@ menu "Character devices"
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source "drivers/tty/Kconfig"
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config DEVMEM
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bool "/dev/mem virtual device support"
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default y
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help
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Say Y here if you want to support the /dev/mem device.
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The /dev/mem device is used to access areas of physical
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memory.
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When in doubt, say "Y".
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config DEVKMEM
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bool "/dev/kmem virtual device support"
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# On arm64, VMALLOC_START < PAGE_OFFSET, which confuses kmem read/write
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depends on !ARM64
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help
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Say Y here if you want to support the /dev/kmem device. The
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/dev/kmem device is rarely used, but can be used for certain
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kind of kernel debugging operations.
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When in doubt, say "N".
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source "drivers/tty/serial/Kconfig"
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source "drivers/tty/serdev/Kconfig"
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@ -220,29 +201,6 @@ config NWFLASH
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source "drivers/char/hw_random/Kconfig"
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config NVRAM
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tristate "/dev/nvram support"
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depends on X86 || HAVE_ARCH_NVRAM_OPS
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default M68K || PPC
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---help---
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If you say Y here and create a character special file /dev/nvram
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with major number 10 and minor number 144 using mknod ("man mknod"),
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you get read and write access to the non-volatile memory.
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/dev/nvram may be used to view settings in NVRAM or to change them
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(with some utility). It could also be used to frequently
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save a few bits of very important data that may not be lost over
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power-off and for which writing to disk is too insecure. Note
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however that most NVRAM space in a PC belongs to the BIOS and you
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should NEVER idly tamper with it. See Ralf Brown's interrupt list
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for a guide to the use of CMOS bytes by your BIOS.
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This memory is conventionally called "NVRAM" on PowerPC machines,
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"CMOS RAM" on PCs, "NVRAM" on Ataris and "PRAM" on Macintoshes.
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To compile this driver as a module, choose M here: the
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module will be called nvram.
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#
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# These legacy RTC drivers just cause too many conflicts with the generic
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# RTC framework ... let's not even try to coexist any more.
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@ -431,6 +389,48 @@ config NSC_GPIO
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pc8736x_gpio drivers. If those drivers are built as
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modules, this one will be too, named nsc_gpio
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config DEVMEM
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bool "/dev/mem virtual device support"
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default y
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help
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Say Y here if you want to support the /dev/mem device.
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The /dev/mem device is used to access areas of physical
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memory.
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When in doubt, say "Y".
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config DEVKMEM
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bool "/dev/kmem virtual device support"
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# On arm64, VMALLOC_START < PAGE_OFFSET, which confuses kmem read/write
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depends on !ARM64
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help
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Say Y here if you want to support the /dev/kmem device. The
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/dev/kmem device is rarely used, but can be used for certain
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kind of kernel debugging operations.
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When in doubt, say "N".
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config NVRAM
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tristate "/dev/nvram support"
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depends on X86 || HAVE_ARCH_NVRAM_OPS
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default M68K || PPC
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---help---
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If you say Y here and create a character special file /dev/nvram
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with major number 10 and minor number 144 using mknod ("man mknod"),
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you get read and write access to the non-volatile memory.
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/dev/nvram may be used to view settings in NVRAM or to change them
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(with some utility). It could also be used to frequently
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save a few bits of very important data that may not be lost over
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power-off and for which writing to disk is too insecure. Note
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however that most NVRAM space in a PC belongs to the BIOS and you
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should NEVER idly tamper with it. See Ralf Brown's interrupt list
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for a guide to the use of CMOS bytes by your BIOS.
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This memory is conventionally called "NVRAM" on PowerPC machines,
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"CMOS RAM" on PCs, "NVRAM" on Ataris and "PRAM" on Macintoshes.
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To compile this driver as a module, choose M here: the
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module will be called nvram.
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config RAW_DRIVER
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tristate "RAW driver (/dev/raw/rawN)"
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depends on BLOCK
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@ -452,6 +452,14 @@ config MAX_RAW_DEVS
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Default is 256. Increase this number in case you need lots of
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raw devices.
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config DEVPORT
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bool "/dev/port character device"
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depends on ISA || PCI
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default y
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help
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Say Y here if you want to support the /dev/port device. The /dev/port
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device is similar to /dev/mem, but for I/O ports.
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config HPET
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bool "HPET - High Precision Event Timer" if (X86 || IA64)
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default n
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@ -511,14 +519,6 @@ config TELCLOCK
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/sys/devices/platform/telco_clock, with a number of files for
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controlling the behavior of this hardware.
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config DEVPORT
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bool "/dev/port character device"
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depends on ISA || PCI
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default y
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help
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Say Y here if you want to support the /dev/port device. The /dev/port
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device is similar to /dev/mem, but for I/O ports.
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source "drivers/s390/char/Kconfig"
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source "drivers/char/xillybus/Kconfig"
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