提交 ae64d169 编写于 作者: A Alessandro Zummo 提交者: Linus Torvalds

rtc: kconfig cleanup

Remove double spaces and adds some suggestions.  It also fixes the
descriptions of options that are no more available as modules.
Signed-off-by: NAlessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
上级 7b9b2ef1
......@@ -35,8 +35,8 @@ config RTC_HCTOSYS_DEVICE
default "rtc0"
help
The RTC device that will be used to (re)initialize the system
clock, usually rtc0. Initialization is done when the system
starts up, and when it resumes from a low power state. This
clock, usually rtc0. Initialization is done when the system
starts up, and when it resumes from a low power state. This
device should record time in UTC, since the kernel won't do
timezone correction.
......@@ -44,7 +44,7 @@ config RTC_HCTOSYS_DEVICE
functions run, so it must usually be statically linked.
This clock should be battery-backed, so that it reads the correct
time when the system boots from a power-off state. Otherwise, your
time when the system boots from a power-off state. Otherwise, your
system will need an external clock source (like an NTP server).
If the clock you specify here is not battery backed, it may still
......@@ -69,8 +69,7 @@ config RTC_INTF_SYSFS
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.
If unsure, say Y.
config RTC_INTF_PROC
boolean "/proc/driver/rtc (procfs for rtc0)"
......@@ -78,11 +77,10 @@ config RTC_INTF_PROC
default RTC_CLASS
help
Say yes here if you want to use your first RTC through the proc
interface, /proc/driver/rtc. Other RTCs will not be available
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.
If unsure, say Y.
config RTC_INTF_DEV
boolean "/dev/rtcN (character devices)"
......@@ -90,12 +88,14 @@ config RTC_INTF_DEV
help
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.
/dev/rtcN.
This driver can also be built as a module. If so, the module
will be called rtc-dev.
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.
config RTC_INTF_DEV_UIE_EMUL
bool "RTC UIE emulation on dev interface"
......@@ -132,14 +132,14 @@ config RTC_DRV_DS1307
tristate "Dallas/Maxim DS1307/37/38/39/40, ST M41T00"
help
If you say yes here you get support for various compatible RTC
chips (often with battery backup) connected with I2C. This driver
chips (often with battery backup) connected with I2C. This driver
should handle DS1307, DS1337, DS1338, DS1339, DS1340, ST M41T00,
and probably other chips. In some cases the RTC must already
and probably other chips. In some cases the RTC must already
have been initialized (by manufacturing or a bootloader).
The first seven registers on these chips hold an RTC, and other
registers may add features such as NVRAM, a trickle charger for
the RTC/NVRAM backup power, and alarms. NVRAM is visible in
the RTC/NVRAM backup power, and alarms. NVRAM is visible in
sysfs, but other chip features may not be available.
This driver can also be built as a module. If so, the module
......@@ -150,10 +150,10 @@ config RTC_DRV_DS1374
depends on RTC_CLASS && I2C
help
If you say yes here you get support for Dallas Semiconductor
DS1374 real-time clock chips. If an interrupt is associated
DS1374 real-time clock chips. If an interrupt is associated
with the device, the alarm functionality is supported.
This driver can also be built as a module. If so, the module
This driver can also be built as a module. If so, the module
will be called rtc-ds1374.
config RTC_DRV_DS1672
......@@ -247,7 +247,7 @@ config RTC_DRV_TWL92330
help
If you say yes here you get support for the RTC on the
TWL92330 "Menelaus" power management chip, used with OMAP2
platforms. The support is integrated with the rest of
platforms. The support is integrated with the rest of
the Menelaus driver; it's not separate module.
config RTC_DRV_TWL4030
......@@ -308,7 +308,7 @@ config RTC_DRV_DS1305
tristate "Dallas/Maxim DS1305/DS1306"
help
Select this driver to get support for the Dallas/Maxim DS1305
and DS1306 real time clock chips. These support a trickle
and DS1306 real time clock chips. These support a trickle
charger, alarms, and NVRAM in addition to the clock.
This driver can also be built as a module. If so, the module
......@@ -382,7 +382,7 @@ config RTC_DRV_CMOS
or LPC bus chips, and so on.
Your system will need to define the platform device used by
this driver, otherwise it won't be accessible. This means
this driver, otherwise it won't be accessible. This means
you can safely enable this driver if you don't know whether
or not your board has this kind of hardware.
......@@ -599,7 +599,7 @@ config RTC_DRV_AT91RM9200
depends on ARCH_AT91RM9200 || ARCH_AT91SAM9RL
help
Driver for the internal RTC (Realtime Clock) module found on
Atmel AT91RM9200's and AT91SAM9RL chips. On SAM9RL chips
Atmel AT91RM9200's and AT91SAM9RL chips. On SAM9RL chips
this is powered by the backup power supply.
config RTC_DRV_AT91SAM9
......@@ -621,8 +621,8 @@ config RTC_DRV_AT91SAM9_RTT
prompt "RTT module Number" if ARCH_AT91SAM9263
depends on RTC_DRV_AT91SAM9
help
More than one RTT module is available. You can choose which
one will be used as an RTC. The default of zero is normally
More than one RTT module is available. You can choose which
one will be used as an RTC. The default of zero is normally
OK to use, though some systems use that for non-RTC purposes.
config RTC_DRV_AT91SAM9_GPBR
......@@ -634,8 +634,8 @@ config RTC_DRV_AT91SAM9_GPBR
depends on RTC_DRV_AT91SAM9
help
The RTC driver needs to use one of the General Purpose Backup
Registers (GPBRs) as well as the RTT. You can choose which one
will be used. The default of zero is normally OK to use, but
Registers (GPBRs) as well as the RTT. You can choose which one
will be used. The default of zero is normally OK to use, but
on some systems other software needs to use that register.
config RTC_DRV_BFIN
......
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