On Tue, 2015-10-06 at 23:47 +0200, Arnd Bergmann wrote: > The recently added mlxsw driver produces warnings in ARM > allmodconfig: > > drivers/net/ethernet/mellanox/mlxsw/pci.c: In function 'mlxsw_pci_cmd_exec': > drivers/net/ethernet/mellanox/mlxsw/pci.c:1585:59: warning: right shift count > >= width of type [-Wshift-count-overflow] > linux/byteorder/big_endian.h:38:51: note: in definition of macro > '__cpu_to_be32' > drivers/net/ethernet/mellanox/mlxsw/pci.c:76:2: note: in expansion of macro > 'iowrite32be' > > This changes the type of the local variable to u64, which gets rid of the > warning and seems nicer than adding #ifdefs.
Using upper_32_bits instead of the shift might be nicer than changing the type. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
