From mboxrd@z Thu Jan 1 00:00:00 1970 From: davem@davemloft.net (David Miller) Date: Thu, 08 Oct 2015 05:07:19 -0700 (PDT) Subject: [PATCH v2] mlxsw: fix warnings for big-endian 32-bit dma_addr_t In-Reply-To: <9933338.DDyBa8BQum@wuerfel> References: <30258520.VaA2vDyUiY@wuerfel> <1444200782.26237.8.camel@perches.com> <9933338.DDyBa8BQum@wuerfel> Message-ID: <20151008.050719.1791217246493289007.davem@davemloft.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Arnd Bergmann Date: Wed, 07 Oct 2015 08:58:34 +0200 > 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 uses upper_32_bits() to extract the bits while avoiding that warning. > > Signed-off-by: Arnd Bergmann > Acked-by: Jiri Pirko > Fixes: eda6500a987a "mlxsw: Add PCI bus implementation" Applied, thanks.