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    SubjectRe: [patch 2.6.18-git] RTC class, Kconfig improvements
    Date
    On 2006-09-29, David Brownell <david-b@pacbell.net> wrote:
    >
    > *[ RESEND third time ]*
    >
    > 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.
    >
    > Also, adds a new RTC_DEBUG option to predefine DEBUG in the framework
    > and its drivers, while debugging. That's getting to be a standard
    > idiom, and it's pretty useful.
    >
    > Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
    >

    ACK

    > Index: g26/drivers/rtc/Kconfig
    >===================================================================
    > --- g26.orig/drivers/rtc/Kconfig 2006-08-19 02:02:45.000000000 -0700
    > +++ g26/drivers/rtc/Kconfig 2006-08-19 10:08:23.000000000 -0700
    > @@ -37,6 +37,13 @@ config RTC_HCTOSYS_DEVICE
    > The RTC device that will be used as the source for
    > the system time, usually rtc0.
    >
    > +config RTC_DEBUG
    > + bool "RTC debug support"
    > + depends on RTC_CLASS = y
    > + help
    > + Say yes here to enable debugging support in the RTC framework
    > + and individual RTC drivers.
    > +
    > comment "RTC interfaces"
    > depends on RTC_CLASS
    >
    > @@ -45,8 +52,8 @@ 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 +63,9 @@ 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 +75,11 @@ 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 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.
    > @@ -78,7 +89,8 @@ 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 for synchronization.
    >
    > comment "RTC drivers"
    > depends on RTC_CLASS
    > Index: g26/drivers/rtc/Makefile
    >===================================================================
    > --- g26.orig/drivers/rtc/Makefile 2006-08-19 10:08:09.000000000 -0700
    > +++ g26/drivers/rtc/Makefile 2006-08-19 10:09:07.000000000 -0700
    > @@ -2,6 +2,10 @@
    > # Makefile for RTC class/drivers.
    > #
    >
    > +ifeq ($(CONFIG_RTC_DEBUG),y)
    > + EXTRA_CFLAGS += -DDEBUG
    > +endif
    > +
    > obj-$(CONFIG_RTC_LIB) += rtc-lib.o
    > obj-$(CONFIG_RTC_HCTOSYS) += hctosys.o
    > obj-$(CONFIG_RTC_CLASS) += rtc-core.o

    -
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