diff options
author | Jean Delvare <khali@linux-fr.org> | 2006-06-04 19:59:57 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2006-06-22 11:10:33 -0700 |
commit | aee62305345863430a937af289b9bd080a100dac (patch) | |
tree | 7e145ccf7052fd298ed94b75e7f9e85a64999a53 /drivers/i2c/busses/Kconfig | |
parent | 177d165d7c2ec424007d6241a93d0cb83d953c51 (diff) |
[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 <khali@linux-fr.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/i2c/busses/Kconfig')
-rw-r--r-- | drivers/i2c/busses/Kconfig | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index e3450d16d8a..d25a8cbbec0 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 |