On 12-07-19, 11:13, Arnd Bergmann wrote: > clang-9 points out that there are two variables that depending on the > configuration may only be used in an ARRAY_SIZE() expression but not > referenced: > > drivers/dma/ste_dma40.c:145:12: error: variable 'd40_backup_regs' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration] > static u32 d40_backup_regs[] = { > ^ > drivers/dma/ste_dma40.c:214:12: error: variable 'd40_backup_regs_chan' is not needed and will not be emitted [-Werror,-Wunneeded-internal-declaration] > static u32 d40_backup_regs_chan[] = { > > Mark these __maybe_unused to shut up the warning. Applied, thanks -- ~Vinod