[SCSI] arcmsr: 1.20.00.15: add SATA RAID plus other fixes

Description:
** support ARC1200/1201/1202 SATA RAID adapter, which is named
ACB_ADAPTER_TYPE_B
** modify the arcmsr_pci_slot_reset function
** modify the arcmsr_pci_ers_disconnect_forepart function
** modify the arcmsr_pci_ers_need_reset_forepart function 

Signed-off-by: Nick Cheng <nick.cheng@areca.com.tw>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index e1efa0e..69b2fac 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -543,19 +543,32 @@
 	  module will be called in2000.
 
 config SCSI_ARCMSR
-	tristate "ARECA ARC11X0[PCI-X]/ARC12X0[PCI-EXPRESS] SATA-RAID support"
+	tristate "ARECA (ARC11xx/12xx/13xx/16xx) SATA/SAS RAID Host Adapter"
 	depends on PCI && SCSI
 	help
-	  This driver supports all of ARECA's SATA RAID controller cards.
+	  This driver supports all of ARECA's SATA/SAS RAID controller cards.
 	  This is an ARECA-maintained driver by Erich Chen.
-	  If you have any problems, please mail to: < erich@areca.com.tw >
+	  If you have any problems, please mail to: <erich@areca.com.tw>.
 	  Areca supports Linux RAID config tools.
-
-	  < http://www.areca.com.tw >
+	  Please link <http://www.areca.com.tw>
 
 	  To compile this driver as a module, choose M here: the
 	  module will be called arcmsr (modprobe arcmsr).
 
+config SCSI_ARCMSR_AER
+	bool "Enable PCI Error Recovery Capability in Areca Driver(ARCMSR)"
+	depends on SCSI_ARCMSR && PCIEAER
+	default n
+	help
+	  The advanced error reporting(AER) capability is "NOT" provided by
+	  ARC1200/1201/1202 SATA RAID controllers cards.
+	  If your card is one of ARC1200/1201/1202, please use the default setting, n.
+	  If your card is other models, you could pick it
+	  on condition that the kernel version is greater than 2.6.19.
+	  This function is maintained driver by Nick Cheng. If you have any
+	  problems or suggestion, you are welcome to contact with <nick.cheng@areca.com.tw>.
+	  To enable this function, choose Y here.
+
 source "drivers/scsi/megaraid/Kconfig.megaraid"
 
 config SCSI_HPTIOP