From aee62305345863430a937af289b9bd080a100dac Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sun, 4 Jun 2006 19:59:57 +0200 Subject: [PATCH] i2c: Suggest N for rare devices in Kconfig Improve the Kconfig help text of the follwing i2c drivers: * busses/i2c-pca-isa.c * chips/pcf8574.c * chips/pcf8591.c These are hard to detect and building them into the kernel results in long delays at boot. March 2006, thread "I2C_PCA_ISA causes boot delays" http://marc.theaimsgroup.com/?l=linux-kernel&m=114360399415744&w=2 April 2006, thread "i2c-related 1-minute hang during bootup" http://marc.theaimsgroup.com/?l=linux-kernel&m=114640992330721&w=2 Signed-off-by: Jean Delvare Signed-off-by: Greg Kroah-Hartman --- drivers/i2c/chips/Kconfig | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/i2c/chips/Kconfig') diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig index 7aa5c38f0855..87ee3ce58618 100644 --- a/drivers/i2c/chips/Kconfig +++ b/drivers/i2c/chips/Kconfig @@ -39,6 +39,7 @@ config SENSORS_EEPROM config SENSORS_PCF8574 tristate "Philips PCF8574 and PCF8574A" depends on I2C && EXPERIMENTAL + default n help If you say yes here you get support for Philips PCF8574 and PCF8574A chips. @@ -46,6 +47,9 @@ config SENSORS_PCF8574 This driver can also be built as a module. If so, the module will be called pcf8574. + These devices are hard to detect and rarely found on mainstream + hardware. If unsure, say N. + config SENSORS_PCA9539 tristate "Philips PCA9539 16-bit I/O port" depends on I2C && EXPERIMENTAL @@ -59,12 +63,16 @@ config SENSORS_PCA9539 config SENSORS_PCF8591 tristate "Philips PCF8591" depends on I2C && EXPERIMENTAL + default n help If you say yes here you get support for Philips PCF8591 chips. This driver can also be built as a module. If so, the module will be called pcf8591. + These devices are hard to detect and rarely found on mainstream + hardware. If unsure, say N. + config ISP1301_OMAP tristate "Philips ISP1301 with OMAP OTG" depends on I2C && ARCH_OMAP_OTG -- cgit v1.2.3