Attached is stripped config. (I remembered this time)
Below is the error.

Regards,
David

make -f scripts/Makefile.build obj=drivers/scsi
   gcc -Wp,-MD,drivers/scsi/.ppa.o.d -D__KERNEL__ -Iinclude -Wall 
-Wstrict-prototypes -Wno-trigraphs -O2 -fno-strict-aliasing -fno-common 
-pipe -mpreferred-stack-boundary=2 -march=pentium4 
-Iinclude/asm-i386/mach-default -nostdinc -iwithprefix include 
-DKBUILD_BASENAME=ppa -DKBUILD_MODNAME=ppa -c -o drivers/scsi/ppa.o 
drivers/scsi/ppa.c
drivers/scsi/ppa.c: In function `ppa_detect':
drivers/scsi/ppa.c:151: structure has no member named `host'
drivers/scsi/ppa.c: In function `ppa_send_command':
drivers/scsi/ppa.c:638: structure has no member named `host'
drivers/scsi/ppa.c: In function `ppa_completion':
drivers/scsi/ppa.c:664: structure has no member named `host'
drivers/scsi/ppa.c: In function `ppa_command':
drivers/scsi/ppa.c:755: structure has no member named `host'
drivers/scsi/ppa.c:777: structure has no member named `host'
drivers/scsi/ppa.c: In function `ppa_interrupt':
drivers/scsi/ppa.c:839: structure has no member named `host'
drivers/scsi/ppa.c:841: structure has no member named `host'
drivers/scsi/ppa.c:845: structure has no member named `host'
drivers/scsi/ppa.c:847: structure has no member named `host'
drivers/scsi/ppa.c: In function `ppa_engine':
drivers/scsi/ppa.c:853: structure has no member named `host'
drivers/scsi/ppa.c:903: structure has no member named `target'
drivers/scsi/ppa.c: In function `ppa_queuecommand':
drivers/scsi/ppa.c:969: structure has no member named `host'
drivers/scsi/ppa.c: In function `ppa_abort':
drivers/scsi/ppa.c:1014: structure has no member named `host'
drivers/scsi/ppa.c: In function `ppa_reset':
drivers/scsi/ppa.c:1042: structure has no member named `host'
make[2]: *** [drivers/scsi/ppa.o] Error 1
make[1]: *** [drivers/scsi] Error 2
make: *** [drivers] Error 2