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authorAlexandre Bounine <alexandre.bounine@idt.com>2013-07-04 02:08:50 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-04 03:08:04 +0400
commit2ec3ba69faf301fb599e3651515e808e8efa533e (patch)
tree953f10726fd0cd61fec02082233c6097287d7257 /drivers/rapidio/switches/Kconfig
parent36f0efbbe8e21c153dfc2f94c91f89ab06fd64c5 (diff)
downloadlinux-2ec3ba69faf301fb599e3651515e808e8efa533e.tar.xz
rapidio: convert switch drivers to modules
Rework RapidIO switch drivers to add an option to build them as loadable kernel modules. This patch removes RapidIO-specific vmlinux section and converts switch drivers to be compatible with LDM driver registration method. To simplify registration of device-specific callback routines this patch introduces rio_switch_ops data structure. The sw_sysfs() callback is removed from the list of device-specific operations because under the new structure its functions can be handled by switch driver's probe() and remove() routines. If a specific switch device driver is not loaded the RapidIO subsystem core will use default standard-based operations to configure a switch. Because the current implementation of RapidIO enumeration/discovery method relies on availability of device-specific operations for error management, switch device drivers must be loaded before the RapidIO enumeration/discovery starts. This patch also moves several common routines from enumeration/discovery module into the RapidIO core code to make switch-specific operations accessible to all components of RapidIO subsystem. Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Li Yang <leoli@freescale.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Andre van Herk <andre.van.herk@Prodrive.nl> Cc: Micha Nelissen <micha.nelissen@Prodrive.nl> Cc: Stef van Os <stef.van.os@Prodrive.nl> Cc: Jean Delvare <jdelvare@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rapidio/switches/Kconfig')
-rw-r--r--drivers/rapidio/switches/Kconfig12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/rapidio/switches/Kconfig b/drivers/rapidio/switches/Kconfig
index 62d4a065230f..345841562f95 100644
--- a/drivers/rapidio/switches/Kconfig
+++ b/drivers/rapidio/switches/Kconfig
@@ -2,27 +2,23 @@
# RapidIO switches configuration
#
config RAPIDIO_TSI57X
- bool "IDT Tsi57x SRIO switches support"
- depends on RAPIDIO
+ tristate "IDT Tsi57x SRIO switches support"
---help---
Includes support for IDT Tsi57x family of serial RapidIO switches.
config RAPIDIO_CPS_XX
- bool "IDT CPS-xx SRIO switches support"
- depends on RAPIDIO
+ tristate "IDT CPS-xx SRIO switches support"
---help---
Includes support for IDT CPS-16/12/10/8 serial RapidIO switches.
config RAPIDIO_TSI568
- bool "Tsi568 SRIO switch support"
- depends on RAPIDIO
+ tristate "Tsi568 SRIO switch support"
default n
---help---
Includes support for IDT Tsi568 serial RapidIO switch.
config RAPIDIO_CPS_GEN2
- bool "IDT CPS Gen.2 SRIO switch support"
- depends on RAPIDIO
+ tristate "IDT CPS Gen.2 SRIO switch support"
default n
---help---
Includes support for ITD CPS Gen.2 serial RapidIO switches.