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CONFIG_RTC_INTF_DEV: dev

General informations

The Linux kernel configuration item CONFIG_RTC_INTF_DEV has multiple definitions:

/dev/rtcN (character devices) found in drivers/rtc/Kconfig

The configuration item CONFIG_RTC_INTF_DEV:

Help text

Say yes here if you want to use your RTCs using the /dev interfaces, which "udev" sets up as /dev/rtc0 through /dev/rtcN.

You may want to set up a symbolic link so one of these can be accessed as /dev/rtc, which is a name expected by "hwclock" and some other programs. Recent versions of "udev" are known to set up the symlink for you.

If unsure, say Y.

dev found in drivers/rtc/Kconfig

The configuration item CONFIG_RTC_INTF_DEV:

Help text

Say yes here if you want to use your RTCs using the /dev interfaces, which "udev" sets up as /dev/rtc0 through /dev/rtcN. You may want to set up a symbolic link so one of these can be accessed as /dev/rtc, which is a name expected by "hwclock" and some other programs.

This driver can also be built as a module. If so, the module will be called rtc-dev.

Hardware

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