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Message-ID: <1288088081.3761.31.camel@jlt3.sipsolutions.net> Date: Tue, 26 Oct 2010 12:14:41 +0200 From: Johannes Berg <johannes@...solutions.net> To: Randy Dunlap <randy.dunlap@...cle.com> Cc: "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, rpurdie@...ys.net Subject: Re: mmotm 2010-10-13-17-13 uploaded (leds) On Thu, 2010-10-14 at 13:32 -0700, Randy Dunlap wrote: > >> The patch does not apply cleanly to mmotm, but it seems > >> like a good plan... Here's a version that I prepared against mmotm from the 23rd. johannes Subject: leds: fix up dependencies From: Johannes Berg <johannes.berg@...el.com> It's not useful to build LED triggers when there's no LEDs that can be triggered by them. Therefore, fix up the dependencies so that this cannot happen, and fix a few users that select triggers to depend on LEDS_CLASS as well (there is also one user that also selects LEDS_CLASS, which is OK). As a result, we can now make everything a module again if desired (including the LED triggers, which previously could only be built in) -- and add back the warning in rt2x00's Kconfig I previously removed. Reported-by: Randy Dunlap <randy.dunlap@...cle.com> Signed-off-by: Johannes Berg <johannes.berg@...el.com> --- drivers/leds/Kconfig | 57 +++++++++++++++++++++++++++++------- drivers/macintosh/Kconfig | 1 drivers/net/wireless/rt2x00/Kconfig | 3 + net/mac80211/Kconfig | 2 - 4 files changed, 51 insertions(+), 12 deletions(-) --- linux-older.orig/drivers/leds/Kconfig 2010-10-26 12:10:47.000000000 +0200 +++ linux-older/drivers/leds/Kconfig 2010-10-26 12:12:39.000000000 +0200 @@ -4,20 +4,20 @@ menuconfig NEW_LEDS Say Y to enable Linux LED support. This allows control of supported LEDs from both userspace and optionally, by kernel events (triggers). -if NEW_LEDS - config LEDS_CLASS - bool "LED Class Support" + tristate "LED Class Support" + depends on NEW_LEDS help This option enables the led sysfs class in /sys/class/leds. You'll need this to do anything useful with LEDs. If unsure, say N. -if LEDS_CLASS +if NEW_LEDS comment "LED drivers" config LEDS_88PM860X tristate "LED Support for Marvell 88PM860x PMIC" + depends on LEDS_CLASS depends on MFD_88PM860X help This option enables support for on-chip LED drivers found on Marvell @@ -33,6 +33,7 @@ config LEDS_INPUT config LEDS_ATMEL_PWM tristate "LED Support using Atmel PWM outputs" + depends on LEDS_CLASS depends on ATMEL_PWM help This option enables support for LEDs driven using outputs @@ -40,6 +41,7 @@ config LEDS_ATMEL_PWM config LEDS_LOCOMO tristate "LED Support for Locomo device" + depends on LEDS_CLASS depends on SHARP_LOCOMO help This option enables support for the LEDs on Sharp Locomo. @@ -47,6 +49,7 @@ config LEDS_LOCOMO config LEDS_MIKROTIK_RB532 tristate "LED Support for Mikrotik Routerboard 532" + depends on LEDS_CLASS depends on MIKROTIK_RB532 help This option enables support for the so called "User LED" of @@ -54,6 +57,7 @@ config LEDS_MIKROTIK_RB532 config LEDS_S3C24XX tristate "LED Support for Samsung S3C24XX GPIO LEDs" + depends on LEDS_CLASS depends on ARCH_S3C2410 help This option enables support for LEDs connected to GPIO lines @@ -61,12 +65,14 @@ config LEDS_S3C24XX config LEDS_AMS_DELTA tristate "LED Support for the Amstrad Delta (E3)" + depends on LEDS_CLASS depends on MACH_AMS_DELTA help This option enables support for the LEDs on Amstrad Delta (E3). config LEDS_NET48XX tristate "LED Support for Soekris net48xx series Error LED" + depends on LEDS_CLASS depends on SCx200_GPIO help This option enables support for the Soekris net4801 and net4826 error @@ -84,18 +90,21 @@ config LEDS_NET5501 config LEDS_FSG tristate "LED Support for the Freecom FSG-3" + depends on LEDS_CLASS depends on MACH_FSG help This option enables support for the LEDs on the Freecom FSG-3. config LEDS_WRAP tristate "LED Support for the WRAP series LEDs" + depends on LEDS_CLASS depends on SCx200_GPIO help This option enables support for the PCEngines WRAP programmable LEDs. config LEDS_ALIX2 tristate "LED Support for ALIX.2 and ALIX.3 series" + depends on LEDS_CLASS depends on X86 && !GPIO_CS5535 && !CS5535_GPIO help This option enables support for the PCEngines ALIX.2 and ALIX.3 LEDs. @@ -103,12 +112,14 @@ config LEDS_ALIX2 config LEDS_H1940 tristate "LED Support for iPAQ H1940 device" + depends on LEDS_CLASS depends on ARCH_H1940 help This option enables support for the LEDs on the h1940. config LEDS_COBALT_QUBE tristate "LED Support for the Cobalt Qube series front LED" + depends on LEDS_CLASS depends on MIPS_COBALT help This option enables support for the front LED on Cobalt Qube series @@ -122,6 +133,7 @@ config LEDS_COBALT_RAQ config LEDS_SUNFIRE tristate "LED support for SunFire servers." + depends on LEDS_CLASS depends on SPARC64 select LEDS_TRIGGERS help @@ -130,6 +142,7 @@ config LEDS_SUNFIRE config LEDS_HP6XX tristate "LED Support for the HP Jornada 6xx" + depends on LEDS_CLASS depends on SH_HP6XX help This option enables LED support for the handheld @@ -137,6 +150,7 @@ config LEDS_HP6XX config LEDS_PCA9532 tristate "LED driver for PCA9532 dimmer" + depends on LEDS_CLASS depends on I2C && INPUT && EXPERIMENTAL help This option enables support for NXP pca9532 @@ -145,6 +159,7 @@ config LEDS_PCA9532 config LEDS_GPIO tristate "LED Support for GPIO connected LEDs" + depends on LEDS_CLASS depends on GENERIC_GPIO help This option enables support for the LEDs connected to GPIO @@ -155,6 +170,7 @@ config LEDS_GPIO config LEDS_GPIO_PLATFORM bool "Platform device bindings for GPIO LEDs" + depends on LEDS_CLASS depends on LEDS_GPIO default y help @@ -163,6 +179,7 @@ config LEDS_GPIO_PLATFORM config LEDS_GPIO_OF bool "OpenFirmware platform device bindings for GPIO LEDs" + depends on LEDS_CLASS depends on LEDS_GPIO && OF_DEVICE default y help @@ -172,6 +189,7 @@ config LEDS_GPIO_OF config LEDS_LP3944 tristate "LED Support for N.S. LP3944 (Fun Light) I2C chip" + depends on LEDS_CLASS depends on I2C help This option enables support for LEDs connected to the National @@ -201,6 +219,7 @@ config LEDS_LP5523 config LEDS_CLEVO_MAIL tristate "Mail LED on Clevo notebook" + depends on LEDS_CLASS depends on X86 && SERIO_I8042 && DMI help This driver makes the mail LED accessible from userspace @@ -231,6 +250,7 @@ config LEDS_CLEVO_MAIL config LEDS_PCA955X tristate "LED Support for PCA955x I2C chips" + depends on LEDS_CLASS depends on I2C help This option enables support for LEDs connected to PCA955x @@ -239,6 +259,7 @@ config LEDS_PCA955X config LEDS_WM831X_STATUS tristate "LED support for status LEDs on WM831x PMICs" + depends on LEDS_CLASS depends on MFD_WM831X help This option enables support for the status LEDs of the WM831x @@ -246,6 +267,7 @@ config LEDS_WM831X_STATUS config LEDS_WM8350 tristate "LED Support for WM8350 AudioPlus PMIC" + depends on LEDS_CLASS depends on MFD_WM8350 help This option enables support for LEDs driven by the Wolfson @@ -253,6 +275,7 @@ config LEDS_WM8350 config LEDS_DA903X tristate "LED Support for DA9030/DA9034 PMIC" + depends on LEDS_CLASS depends on PMIC_DA903X help This option enables support for on-chip LED drivers found @@ -260,6 +283,7 @@ config LEDS_DA903X config LEDS_DAC124S085 tristate "LED Support for DAC124S085 SPI DAC" + depends on LEDS_CLASS depends on SPI help This option enables support for DAC124S085 SPI DAC from NatSemi, @@ -267,18 +291,21 @@ config LEDS_DAC124S085 config LEDS_PWM tristate "PWM driven LED Support" + depends on LEDS_CLASS depends on HAVE_PWM help This option enables support for pwm driven LEDs config LEDS_REGULATOR tristate "REGULATOR driven LED support" + depends on LEDS_CLASS depends on REGULATOR help This option enables support for regulator driven LEDs. config LEDS_BD2802 tristate "LED driver for BD2802 RGB LED" + depends on LEDS_CLASS depends on I2C help This option enables support for BD2802GU RGB LED driver chips @@ -286,6 +313,7 @@ config LEDS_BD2802 config LEDS_INTEL_SS4200 tristate "LED driver for Intel NAS SS4200 series" + depends on LEDS_CLASS depends on PCI && DMI help This option enables support for the Intel SS4200 series of @@ -295,6 +323,7 @@ config LEDS_INTEL_SS4200 config LEDS_LT3593 tristate "LED driver for LT3593 controllers" + depends on LEDS_CLASS depends on GENERIC_GPIO help This option enables support for LEDs driven by a Linear Technology @@ -303,6 +332,7 @@ config LEDS_LT3593 config LEDS_ADP5520 tristate "LED Support for ADP5520/ADP5501 PMIC" + depends on LEDS_CLASS depends on PMIC_ADP5520 help This option enables support for on-chip LED drivers found @@ -313,6 +343,7 @@ config LEDS_ADP5520 config LEDS_DELL_NETBOOKS tristate "External LED on Dell Business Netbooks" + depends on LEDS_CLASS depends on X86 && ACPI_WMI help This adds support for the Latitude 2100 and similar @@ -320,6 +351,7 @@ config LEDS_DELL_NETBOOKS config LEDS_MC13783 tristate "LED Support for MC13783 PMIC" + depends on LEDS_CLASS depends on MFD_MC13783 help This option enable support for on-chip LED drivers found @@ -327,6 +359,7 @@ config LEDS_MC13783 config LEDS_NS2 tristate "LED support for Network Space v2 GPIO LEDs" + depends on LEDS_CLASS depends on MACH_NETSPACE_V2 || MACH_INETSPACE_V2 || MACH_NETSPACE_MAX_V2 || D2NET_V2 default y help @@ -336,6 +369,7 @@ config LEDS_NS2 config LEDS_NETXBIG tristate "LED support for Big Network series LEDs" + depends on LEDS_CLASS depends on MACH_NET2BIG_V2 || MACH_NET5BIG_V2 default y help @@ -344,18 +378,18 @@ config LEDS_NETXBIG controlled through a GPIO extension bus. config LEDS_TRIGGERS - bool "LED Trigger support" + tristate "LED Trigger support" + depends on LEDS_CLASS help This option enables trigger support for the leds class. These triggers allow kernel events to drive the LEDs and can be configured via sysfs. If unsure, say Y. -if LEDS_TRIGGERS - comment "LED Triggers" config LEDS_TRIGGER_TIMER tristate "LED Timer Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by a programmable timer via sysfs. Some LED hardware can be programmed to start @@ -367,12 +401,14 @@ config LEDS_TRIGGER_TIMER config LEDS_TRIGGER_IDE_DISK bool "LED IDE Disk Trigger" depends on IDE_GD_ATA + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by IDE disk activity. If unsure, say Y. config LEDS_TRIGGER_HEARTBEAT tristate "LED Heartbeat Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be controlled by a CPU load average. The flash frequency is a hyperbolic function of the 1-minute @@ -381,6 +417,7 @@ config LEDS_TRIGGER_HEARTBEAT config LEDS_TRIGGER_BACKLIGHT tristate "LED backlight Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be controlled as a backlight device: they turn off and on when the display is blanked and unblanked. @@ -389,6 +426,7 @@ config LEDS_TRIGGER_BACKLIGHT config LEDS_TRIGGER_GPIO tristate "LED GPIO Trigger" + depends on LEDS_TRIGGERS depends on GPIOLIB help This allows LEDs to be controlled by gpio events. It's good @@ -401,6 +439,7 @@ config LEDS_TRIGGER_GPIO config LEDS_TRIGGER_DEFAULT_ON tristate "LED Default ON Trigger" + depends on LEDS_TRIGGERS help This allows LEDs to be initialised in the ON state. If unsure, say Y. @@ -415,8 +454,4 @@ config LEDS_TRIGGER_INPUT comment "iptables trigger is under Netfilter config (LED target)" depends on LEDS_TRIGGERS -endif # LEDS_TRIGGERS - -endif # LEDS_CLASS - endif # NEW_LEDS --- linux-older.orig/drivers/macintosh/Kconfig 2010-10-26 12:10:25.000000000 +0200 +++ linux-older/drivers/macintosh/Kconfig 2010-10-26 12:11:20.000000000 +0200 @@ -102,6 +102,7 @@ config ADB_PMU_LED config ADB_PMU_LED_IDE bool "Use front LED as IDE LED by default" depends on ADB_PMU_LED + depends on LEDS_CLASS=y select LEDS_TRIGGERS select LEDS_TRIGGER_IDE_DISK help --- linux-older.orig/net/mac80211/Kconfig 2010-10-26 12:06:11.000000000 +0200 +++ linux-older/net/mac80211/Kconfig 2010-10-26 12:11:20.000000000 +0200 @@ -92,7 +92,7 @@ config MAC80211_MESH config MAC80211_LEDS bool "Enable LED triggers" depends on MAC80211 - select NEW_LEDS + depends on LEDS_CLASS=y || LEDS_CLASS=MAC80211 select LEDS_TRIGGERS ---help--- This option enables a few LED triggers for different --- linux-older.orig/drivers/net/wireless/rt2x00/Kconfig 2010-10-26 12:10:47.000000000 +0200 +++ linux-older/drivers/net/wireless/rt2x00/Kconfig 2010-10-26 12:11:20.000000000 +0200 @@ -221,6 +221,9 @@ config RT2X00_LIB_LEDS boolean default y if (RT2X00_LIB=y && LEDS_CLASS=y) || (RT2X00_LIB=m && LEDS_CLASS!=n) +comment "rt2x00 leds support disabled due to modularized LEDS_CLASS and built-in rt2x00" + depends on RT2X00_LIB=y && LEDS_CLASS=m + config RT2X00_LIB_DEBUGFS bool "Ralink debugfs support" depends on RT2X00_LIB && MAC80211_DEBUGFS -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.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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