Hi, On 03/16/2014 03:05 PM, Tim Gardner wrote: > Gents - while reviewing some patches for arm64 in Ubuntu I noticed that there is at least one patch sequence in linux-next that breaks the build. > > 156c5887948cd191417f18026aab9ce26e5a95da ahci-platform: Add support for devices with more then 1 clock > 039ece38da45f5e6a94be3aa7611cf3634bc2461 libahci: Allow drivers to override start_engine > > For example: > > git reset --hard 156c5887948cd191417f18026aab9ce26e5a95da > echo "CONFIG_SATA_AHCI_PLATFORM=y" >> .config > make oldconfig scripts prepare > make M=drivers/ata > > WARNING: Symbol version dump /home/rtg/linux/linux-next/Module.symvers > is missing; modules will have no dependencies and modversions. > > CC drivers/ata/libata-core.o > CC drivers/ata/libata-scsi.o > CC drivers/ata/libata-eh.o > CC drivers/ata/libata-transport.o > CC drivers/ata/libata-sff.o > CC drivers/ata/libata-pmp.o > CC drivers/ata/libata-acpi.o > LD drivers/ata/libata.o > CC drivers/ata/ahci.o > CC drivers/ata/libahci.o > CC drivers/ata/ahci_platform.o > drivers/ata/ahci_platform.c: In function ‘ahci_probe’: > drivers/ata/ahci_platform.c:209:2: error: implicit declaration of function ‘ahci_enable_clks’ [-Werror=implicit-function-declaration] > drivers/ata/ahci_platform.c:293:2: error: implicit declaration of function ‘ahci_disable_clks’ [-Werror=implicit-function-declaration] > cc1: some warnings being treated as errors > make[1]: *** [drivers/ata/ahci_platform.o] Error 1 > make: *** [_module_drivers/ata] Error 2 > > The compile problem is then fixed in 96a01ba52c60fdd74dd6e8cf06645d06515b1396 (ahci-platform: Add enable_ / disable_resources helper functions) which is not really kosher. Ah good catch, at some point I decided to prefix all the ahci_* functions defined in ahci_platform.c with ahci_platform_ instead of just ahci_. Somehow the functions got added with their new names directly in the "ahci-platform: Add support for devices with more then 1 clock" patch (this is intentional), but the calls added in that patch kept using the old names. Then in the "ahci-platform: Add enable_ / disable_resources helper functions" patch the calls get moved to another place and now show up with the proper ahci_platform_* names. My bad. Tejun it is probably easiest if you fix this up directly in your tree, let me know if you want a fixed up resend of the 2 patches in question instead. Regards, Hans -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html