A number of dependencies can be removed simply by adding a couple
"menuconfig" structures.
Signed-off-by: Robert P. J. Day <[EMAIL PROTECTED]>
---
also, a lot of that Kconfig file is marked EXPERIMENTAL. is that
still true?
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index d810789..fa580d5 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -5,11 +5,9 @@
# nobody's needed a slave side API yet. The master-role API is not
# fully appropriate there, so it'd need some thought to do well.
#
-menu "SPI support"
- depends on HAS_IOMEM
-
-config SPI
+menuconfig SPI
bool "SPI support"
+ depends on HAS_IOMEM
help
The "Serial Peripheral Interface" is a low level synchronous
protocol. Chips that support SPI can have data transfer rates
@@ -28,9 +26,11 @@ config SPI
(half duplex), SSP, SSI, and PSP. This driver framework should
work with most such devices and controllers.
+if SPI
+
config SPI_DEBUG
boolean "Debug support for SPI drivers"
- depends on SPI && DEBUG_KERNEL
+ depends on DEBUG_KERNEL
help
Say "yes" to enable debug messaging (like dev_dbg and pr_debug),
sysfs, and debugfs support in SPI controller and protocol drivers.
@@ -39,35 +39,35 @@ config SPI_DEBUG
# MASTER side ... talking to discrete SPI slave chips including
microcontrollers
#
-config SPI_MASTER
+menuconfig SPI_MASTER
# boolean "SPI Master Support"
- boolean
- default SPI
+ def_bool SPI
help
If your system has an master-capable SPI controller (which
provides the clock and chipselect), you can enable that
controller and the protocol drivers for the SPI slave chips
that are connected.
+if SPI_MASTER
+
comment "SPI Master Controller Drivers"
- depends on SPI_MASTER
config SPI_ATMEL
tristate "Atmel SPI Controller"
- depends on (ARCH_AT91 || AVR32) && SPI_MASTER
+ depends on ARCH_AT91 || AVR32
help
This selects a driver for the Atmel SPI Controller, present on
many AT32 (AVR32) and AT91 (ARM) chips.
config SPI_BFIN
tristate "SPI controller driver for ADI Blackfin5xx"
- depends on SPI_MASTER && BLACKFIN
+ depends on BLACKFIN
help
This is the SPI controller master driver for Blackfin 5xx processor.
config SPI_AU1550
tristate "Au1550/Au12x0 SPI Controller"
- depends on SPI_MASTER && (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
+ depends on (SOC_AU1550 || SOC_AU1200) && EXPERIMENTAL
select SPI_BITBANG
help
If you say yes to this option, support will be included for the
@@ -78,7 +78,7 @@ config SPI_AU1550
config SPI_BITBANG
tristate "Bitbanging SPI master"
- depends on SPI_MASTER && EXPERIMENTAL
+ depends on EXPERIMENTAL
help
With a few GPIO pins, your system can bitbang the SPI protocol.
Select this to get SPI support through I/O pins (GPIO, parallel
@@ -92,7 +92,7 @@ config SPI_BITBANG
config SPI_BUTTERFLY
tristate "Parallel port adapter for AVR Butterfly (DEVELOPMENT)"
- depends on SPI_MASTER && PARPORT && EXPERIMENTAL
+ depends on PARPORT && EXPERIMENTAL
select SPI_BITBANG
help
This uses a custom parallel port cable to connect to an AVR
@@ -102,14 +102,14 @@ config SPI_BUTTERFLY
config SPI_IMX
tristate "Freescale iMX SPI controller"
- depends on SPI_MASTER && ARCH_IMX && EXPERIMENTAL
+ depends on ARCH_IMX && EXPERIMENTAL
help
This enables using the Freescale iMX SPI controller in master
mode.
config SPI_LM70_LLP
tristate "Parallel port adapter for LM70 eval board (DEVELOPMENT)"
- depends on SPI_MASTER && PARPORT && EXPERIMENTAL
+ depends on PARPORT && EXPERIMENTAL
select SPI_BITBANG
help
This driver supports the NS LM70 LLP Evaluation Board,
@@ -118,14 +118,14 @@ config SPI_LM70_LLP
config SPI_MPC52xx_PSC
tristate "Freescale MPC52xx PSC SPI controller"
- depends on SPI_MASTER && PPC_MPC52xx && EXPERIMENTAL
+ depends on PPC_MPC52xx && EXPERIMENTAL
help
This enables using the Freescale MPC52xx Programmable Serial
Controller in master SPI mode.
config SPI_MPC83xx
tristate "Freescale MPC83xx/QUICC Engine SPI controller"
- depends on SPI_MASTER && (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
+ depends on (PPC_83xx || QUICC_ENGINE) && EXPERIMENTAL
select SPI_BITBANG
help
This enables using the Freescale MPC83xx and QUICC Engine SPI
@@ -138,21 +138,21 @@ config SPI_MPC83xx
config SPI_OMAP_UWIRE
tristate "OMAP1 MicroWire"
- depends on SPI_MASTER && ARCH_OMAP1
+ depends on ARCH_OMAP1
select SPI_BITBANG
help
This hooks up to the MicroWire controller on OMAP1 chips.
config SPI_OMAP24XX
tristate "McSPI driver for OMAP24xx/OMAP34xx"
- depends on SPI_MASTER && (ARCH_OMAP24XX || ARCH_OMAP34XX)
+ depends on ARCH_OMAP24XX || ARCH_OMAP34XX
help
SPI master controller for OMAP24xx/OMAP34xx Multichannel SPI
(McSPI) modules.
config SPI_PXA2XX
tristate "PXA2xx SSP SPI master"
- depends on SPI_MASTER && ARCH_PXA && EXPERIMENTAL
+ depends on ARCH_PXA && EXPERIMENTAL
select PXA_SSP
help
This enables using a PXA2xx SSP port as a SPI master controller.
@@ -161,14 +161,14 @@ config SPI_PXA2XX
config SPI_S3C24XX
tristate "Samsung S3C24XX series SPI"
- depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
+ depends on ARCH_S3C2410 && EXPERIMENTAL
select SPI_BITBANG
help
SPI driver for Samsung S3C24XX series ARM SoCs
config SPI_S3C24XX_GPIO
tristate "Samsung S3C24XX series SPI by GPIO"
- depends on SPI_MASTER && ARCH_S3C2410 && EXPERIMENTAL
+ depends on ARCH_S3C2410 && EXPERIMENTAL
select SPI_BITBANG
help
SPI driver for Samsung S3C24XX series ARM SoCs using
@@ -178,20 +178,20 @@ config SPI_S3C24XX_GPIO
config SPI_SH_SCI
tristate "SuperH SCI SPI controller"
- depends on SPI_MASTER && SUPERH
+ depends on SUPERH
select SPI_BITBANG
help
SPI driver for SuperH SCI blocks.
config SPI_TXX9
tristate "Toshiba TXx9 SPI controller"
- depends on SPI_MASTER && GENERIC_GPIO && CPU_TX49XX
+ depends on GENERIC_GPIO && CPU_TX49XX
help
SPI driver for Toshiba TXx9 MIPS SoCs
config SPI_XILINX
tristate "Xilinx SPI controller"
- depends on SPI_MASTER && XILINX_VIRTEX && EXPERIMENTAL
+ depends on XILINX_VIRTEX && EXPERIMENTAL
select SPI_BITBANG
help
This exposes the SPI controller IP from the Xilinx EDK.
@@ -208,11 +208,10 @@ config SPI_XILINX
# being probably the most widely used ones.
#
comment "SPI Protocol Masters"
- depends on SPI_MASTER
config SPI_AT25
tristate "SPI EEPROMs from most vendors"
- depends on SPI_MASTER && SYSFS
+ depends on SYSFS
help
Enable this driver to get read/write support to most SPI EEPROMs,
after you configure the board init code to know about each eeprom
@@ -223,7 +222,7 @@ config SPI_AT25
config SPI_SPIDEV
tristate "User mode SPI device driver support"
- depends on SPI_MASTER && EXPERIMENTAL
+ depends on EXPERIMENTAL
help
This supports user mode SPI protocol drivers.
@@ -232,18 +231,19 @@ config SPI_SPIDEV
config SPI_TLE62X0
tristate "Infineon TLE62X0 (for power switching)"
- depends on SPI_MASTER && SYSFS
+ depends on SYSFS
help
SPI driver for Infineon TLE62X0 series line driver chips,
such as the TLE6220, TLE6230 and TLE6240. This provides a
sysfs interface, with each line presented as a kind of GPIO
exposing both switch control and diagnostic feedback.
+endif # SPI_MASTER
+
#
# Add new SPI protocol masters in alphabetical order above this line
#
# (slave support would go here)
-endmenu # "SPI support"
-
+endif # SPI
========================================================================
Robert P. J. Day
Linux Consulting, Training and Annoying Kernel Pedantry:
Have classroom, will lecture.
http://crashcourse.ca Waterloo, Ontario, CANADA
========================================================================
-------------------------------------------------------------------------
This SF.net email is sponsored by the 2008 JavaOne(SM) Conference
Don't miss this year's exciting event. There's still time to save $100.
Use priority code J8TL2D2.
http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone
_______________________________________________
spi-devel-general mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/spi-devel-general
