I get these warnings while compiling gentoo-sources-2.6.15-r2 for PPC. I hope you can send them to the correct developer. CC arch/ppc/kernel/idle.o arch/ppc/kernel/idle.c: In function `default_idle': arch/ppc/kernel/idle.c:40: warning: unused variable `cpu' VDSO32L arch/powerpc/kernel/vdso32/vdso32.so /usr/lib/gcc/powerpc-unknown-linux-gnu/3.4.4/../../../../powerpc-unknown-linux-gnu/bin/ld: warning: creating a DT_TEXTREL in object. CC arch/ppc/platforms/chrp_setup.o arch/ppc/platforms/chrp_setup.c: In function `chrp_init_IRQ': arch/ppc/platforms/chrp_setup.c:407: warning: unused variable `i' CC arch/ppc/platforms/prep_setup.o arch/ppc/platforms/prep_setup.c: In function `prep_init_IRQ': arch/ppc/platforms/prep_setup.c:957: warning: unused variable `i' CC kernel/intermodule.o kernel/intermodule.c:178: warning: `inter_module_register' is deprecated (declared at kernel/intermodule.c:38) kernel/intermodule.c:179: warning: `inter_module_unregister' is deprecated (declared at kernel/intermodule.c:78) kernel/intermodule.c:181: warning: `inter_module_put' is deprecated (declared at kernel/intermodule.c:159) CC kernel/power/pm.o kernel/power/pm.c:259: warning: `pm_register' is deprecated (declared at kernel/power/pm.c:63) kernel/power/pm.c:260: warning: `pm_unregister' is deprecated (declared at kernel/power/pm.c:86) kernel/power/pm.c:261: warning: `pm_unregister_all' is deprecated (declared at kernel/power/pm.c:115) kernel/power/pm.c:262: warning: `pm_send_all' is deprecated (declared at kernel/power/pm.c:234) CC drivers/ide/ppc/pmac.o drivers/ide/ppc/pmac.c: In function `pmac_ide_setup_device': drivers/ide/ppc/pmac.c:1274: warning: unused variable `i' CC drivers/macintosh/via-pmu.o drivers/macintosh/via-pmu.c: In function `pmac_suspend_devices': drivers/macintosh/via-pmu.c:2367: warning: implicit declaration of function `wakeup_decrementer' CC [M] drivers/scsi/scsi_lib.o drivers/scsi/scsi_lib.c:1035: warning: 'scsi_prepare_flush_fn' defined but not used drivers/scsi/scsi_lib.c:1050: warning: 'scsi_end_flush_fn' defined but not used CC arch/ppc/boot/of1275/claim.o arch/ppc/boot/of1275/claim.c: In function `claim': arch/ppc/boot/of1275/claim.c:91: warning: return makes pointer from integer without a cast
We won't be fixing warnings, report them upstream if you wish... http://bugzilla.kernel.org/