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