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/busses/Kconfig | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/i2c/busses/Kconfig') diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index e3450d16d8a4..d25a8cbbec0a 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -503,6 +503,7 @@ config I2C_PCA_ISA tristate "PCA9564 on an ISA bus" depends on I2C select I2C_ALGOPCA + default n help This driver supports ISA boards using the Philips PCA 9564 Parallel bus to I2C bus controller @@ -510,6 +511,11 @@ config I2C_PCA_ISA This driver can also be built as a module. If so, the module will be called i2c-pca-isa. + This device is almost undetectable and using this driver on a + system which doesn't have this device will result in long + delays when I2C/SMBus chip drivers are loaded (e.g. at boot + time). If unsure, say N. + config I2C_MV64XXX tristate "Marvell mv64xxx I2C Controller" depends on I2C && MV64X60 && EXPERIMENTAL -- cgit v1.2.2