Messages in this thread Patch in this message | | | From | David Brownell <> | Subject | [patch 2.6.18-rc3] RTC class, Kconfig improvements | Date | Fri, 4 Aug 2006 17:41:26 -0700 |
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Small updates to make the RTC class Kconfig text be more informative. This should help folk used to the drivers/char/rtc.c support, or a single RTC, be slightly less surprised by the differences.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Index: g26/drivers/rtc/Kconfig =================================================================== --- g26.orig/drivers/rtc/Kconfig 2006-08-04 17:20:34.000000000 -0700 +++ g26/drivers/rtc/Kconfig 2006-08-04 17:38:51.000000000 -0700 @@ -45,8 +45,8 @@ config RTC_INTF_SYSFS depends on RTC_CLASS && SYSFS default RTC_CLASS help - Say yes here if you want to use your RTC using the sysfs - interface, /sys/class/rtc/rtcX . + Say yes here if you want to use your RTCs using sysfs interfaces, + /sys/class/rtc/rtc0 through /sys/.../rtcN. This driver can also be built as a module. If so, the module will be called rtc-sysfs. @@ -56,8 +56,9 @@ config RTC_INTF_PROC depends on RTC_CLASS && PROC_FS default RTC_CLASS help - Say yes here if you want to use your RTC using the proc - interface, /proc/driver/rtc . + Say yes here if you want to use your first RTC through the proc + interface, /proc/driver/rtc. Other RTCs will not be available + through that API. This driver can also be built as a module. If so, the module will be called rtc-proc. @@ -67,8 +68,11 @@ config RTC_INTF_DEV depends on RTC_CLASS default RTC_CLASS help - Say yes here if you want to use your RTC using the dev - interface, /dev/rtc . + 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 the 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. @@ -78,7 +82,8 @@ config RTC_INTF_DEV_UIE_EMUL depends on RTC_INTF_DEV help Provides an emulation for RTC_UIE if the underlaying rtc chip - driver did not provide RTC_UIE ioctls. + driver does not expose RTC_UIE ioctls. Those requests generate + once-per-second update interrupts, used to synchronization. comment "RTC drivers" depends on RTC_CLASS - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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