On Mon, Mar 25, 2019 at 04:50:43PM +0100, Arnd Bergmann wrote: > clang warns about statically defined DMA masks from the DMA_BIT_MASK > macro with length 64: > > arch/arm/mach-iop13xx/setup.c:303:35: error: shift count >= width of type > [-Werror,-Wshift-count-overflow] > static u64 iop13xx_adma_dmamask = DMA_BIT_MASK(64); > ^~~~~~~~~~~~~~~~ > include/linux/dma-mapping.h:141:54: note: expanded from macro 'DMA_BIT_MASK' > #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) > ^ ~~~ > > The ones in iop shouldn't really be 64 bit masks, so changing them > to what the driver can support avoids the warning. > > Signed-off-by: Arnd Bergmann <a...@arndb.de>
Applied to fixes. -Olof
