1 files changed, 38 insertions, 18 deletions

diff --git a/drivers/message/fusion/Kconfig b/drivers/message/fusion/Kconfig
index 452418b24d7b..33f209a39cb6 100644
--- a/drivers/message/fusion/Kconfig
+++ b/drivers/message/fusion/Kconfig
@@ -2,34 +2,54 @@
 menu "Fusion MPT device support"
 
 config FUSION
-        tristate "Fusion MPT (base + ScsiHost) drivers"
+        bool
+        default n
+
+config FUSION_SPI
+        tristate "Fusion MPT ScsiHost drivers for SPI"
+        depends on PCI && SCSI
+        select FUSION
+        ---help---
+          SCSI HOST support for a parallel SCSI host adapters.
+
+          List of supported controllers:
+
+          LSI53C1020
+          LSI53C1020A
+          LSI53C1030
+          LSI53C1035
+
+config FUSION_FC
+        tristate "Fusion MPT ScsiHost drivers for FC"
         depends on PCI && SCSI
+        select FUSION
         ---help---
-          LSI Logic Fusion(TM) Message Passing Technology (MPT) device support
-          provides high performance SCSI host initiator, and LAN [1] interface
-          services to a host system.  The Fusion architecture is capable of
-          duplexing these protocols on high-speed Fibre Channel
-          (up to 2 GHz x 2 ports = 4 GHz) and parallel SCSI (up to Ultra-320)
-          physical medium.
+          SCSI HOST support for a Fiber Channel host adapters.
 
-          [1] LAN is not supported on parallel SCSI medium.
+          List of supported controllers:
+
+          LSIFC909
+          LSIFC919
+          LSIFC919X
+          LSIFC929
+          LSIFC929X
+          LSIFC929XL
 
 config FUSION_MAX_SGE
-        int "Maximum number of scatter gather entries"
+        int "Maximum number of scatter gather entries (16 - 128)"
         depends on FUSION
-        default "40"
+        default "128"
+        range 16 128
         help
           This option allows you to specify the maximum number of scatter-
-          gather entries per I/O. The driver defaults to 40, a reasonable number
-          for most systems. However, the user may increase this up to 128.
-          Increasing this parameter will require significantly more memory 
-          on a per controller instance. Increasing the parameter is not
-          necessary (or recommended) unless the user will be running 
-          large I/O's via the raw interface.
+          gather entries per I/O. The driver default is 128, which matches
+          SCSI_MAX_PHYS_SEGMENTS. However, it may decreased down to 16.
+          Decreasing this parameter will reduce memory requirements
+          on a per controller instance.
 
 config FUSION_CTL
         tristate "Fusion MPT misc device (ioctl) driver"
-        depends on FUSION
+        depends on FUSION_SPI || FUSION_FC
         ---help---
           The Fusion MPT misc device driver provides specialized control
           of MPT adapters via system ioctl calls.  Use of ioctl calls to
@@ -48,7 +68,7 @@ config FUSION_CTL
 
 config FUSION_LAN
         tristate "Fusion MPT LAN driver"
-        depends on FUSION && NET_FC
+        depends on FUSION_FC && NET_FC
         ---help---
           This module supports LAN IP traffic over Fibre Channel port(s)
           on Fusion MPT compatible hardware (LSIFC9xx chips).