Hallo Petter,
On Sun, 9 Sep 2012 14:15:02 +0200, Peter Hüwe wrote:
> I created a patch for your proposed solution, I moved the stub driver to the
> end in order to have only one big if HAS_IOMEM.
There is a problem with the mux chip drivers, which then no longer
depend on HAS_IOMEM. Also, I think it is about time to admit that
i2c-stub does not fit under "I2C Hardware Bus support". It is a driver
for development, not hardware support.
So I propose the following instead:
drivers/i2c/Kconfig | 14 +++++++++++++-
drivers/i2c/busses/Kconfig | 14 +-------------
drivers/i2c/muxes/Kconfig | 2 +-
3 files changed, 15 insertions(+), 15 deletions(-)
--- linux-3.6-rc4.orig/drivers/i2c/Kconfig 2012-07-21 22:58:29.000000000
+0200
+++ linux-3.6-rc4/drivers/i2c/Kconfig 2012-09-09 18:34:08.169196654 +0200
@@ -4,7 +4,6 @@
menuconfig I2C
tristate "I2C support"
- depends on HAS_IOMEM
select RT_MUTEXES
---help---
I2C (pronounce: I-squared-C) is a slow serial bus protocol used in
@@ -86,6 +85,19 @@ config I2C_SMBUS
source drivers/i2c/algos/Kconfig
source drivers/i2c/busses/Kconfig
+config I2C_STUB
+ tristate "I2C/SMBus Test Stub"
+ depends on EXPERIMENTAL && m
+ default 'n'
+ help
+ This module may be useful to developers of SMBus client drivers,
+ especially for certain kinds of sensor chips.
+
+ If you do build this module, be sure to read the notes and warnings
+ in <file:Documentation/i2c/i2c-stub>.
+
+ If you don't know what to do here, definitely say N.
+
config I2C_DEBUG_CORE
bool "I2C Core debugging messages"
help
--- linux-3.6-rc4.orig/drivers/i2c/busses/Kconfig 2012-09-08
09:36:32.086553711 +0200
+++ linux-3.6-rc4/drivers/i2c/busses/Kconfig 2012-09-09 18:33:58.598196535
+0200
@@ -3,6 +3,7 @@
#
menu "I2C Hardware Bus support"
+ depends on HAS_IOMEM
comment "PC SMBus host controller drivers"
depends on PCI
@@ -850,19 +851,6 @@ config I2C_SIBYTE
help
Supports the SiByte SOC on-chip I2C interfaces (2 channels).
-config I2C_STUB
- tristate "I2C/SMBus Test Stub"
- depends on EXPERIMENTAL && m
- default 'n'
- help
- This module may be useful to developers of SMBus client drivers,
- especially for certain kinds of sensor chips.
-
- If you do build this module, be sure to read the notes and warnings
- in <file:Documentation/i2c/i2c-stub>.
-
- If you don't know what to do here, definitely say N.
-
config SCx200_I2C
tristate "NatSemi SCx200 I2C using GPIO pins (DEPRECATED)"
depends on SCx200_GPIO
--- linux-3.6-rc4.orig/drivers/i2c/muxes/Kconfig 2012-07-21
22:58:29.000000000 +0200
+++ linux-3.6-rc4/drivers/i2c/muxes/Kconfig 2012-09-09 19:20:13.032141164
+0200
@@ -3,7 +3,7 @@
#
menu "Multiplexer I2C Chip support"
- depends on I2C_MUX
+ depends on HAS_IOMEM && I2C_MUX
config I2C_MUX_GPIO
tristate "GPIO-based I2C multiplexer"
--
Jean Delvare
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