1 files changed, 6 insertions, 0 deletions

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