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Wed, 26 Sep 2018 22:03:30 -0700 (PDT) From: Nathan Chancellor To: Moni Shoua , Doug Ledford , Jason Gunthorpe Cc: linux-rdma@vger.kernel.org, linux-kernel@vger.kernel.org, Nick Desaulniers , Nathan Chancellor Subject: [PATCH v2] IB/rxe: Avoid implicit enum conversions in rxe_init functions Date: Wed, 26 Sep 2018 22:01:57 -0700 Message-Id: <20180927050156.20023-1-natechancellor@gmail.com> X-Mailer: git-send-email 2.19.0 In-Reply-To: <20180927011010.8373-1-natechancellor@gmail.com> References: <20180927011010.8373-1-natechancellor@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Clang warns when an emumerated type is implicitly converted to another. drivers/infiniband/sw/rxe/rxe.c:106:27: warning: implicit conversion from enumeration type 'enum rxe_device_param' to different enumeration type 'enum ib_atomic_cap' [-Wenum-conversion] rxe->attr.atomic_cap = RXE_ATOMIC_CAP; ~ ^~~~~~~~~~~~~~ drivers/infiniband/sw/rxe/rxe.c:131:22: warning: implicit conversion from enumeration type 'enum rxe_port_param' to different enumeration type 'enum ib_port_state' [-Wenum-conversion] port->attr.state = RXE_PORT_STATE; ~ ^~~~~~~~~~~~~~ drivers/infiniband/sw/rxe/rxe.c:132:24: warning: implicit conversion from enumeration type 'enum rxe_port_param' to different enumeration type 'enum ib_mtu' [-Wenum-conversion] port->attr.max_mtu = RXE_PORT_MAX_MTU; ~ ^~~~~~~~~~~~~~~~ drivers/infiniband/sw/rxe/rxe.c:133:27: warning: implicit conversion from enumeration type 'enum rxe_port_param' to different enumeration type 'enum ib_mtu' [-Wenum-conversion] port->attr.active_mtu = RXE_PORT_ACTIVE_MTU; ~ ^~~~~~~~~~~~~~~~~~~ drivers/infiniband/sw/rxe/rxe.c:151:24: warning: implicit conversion from enumeration type 'enum rxe_port_param' to different enumeration type 'enum ib_mtu' [-Wenum-conversion] ib_mtu_enum_to_int(RXE_PORT_ACTIVE_MTU); ~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~~~~~~~~~ 5 warnings generated. Use the appropriate values from the expected enumerated type so no conversion needs to happen. Reported-by: Nick Desaulniers Signed-off-by: Nathan Chancellor --- v1 -> v2: * Don't cast, just use the expecting enumerated value directly, per Jason's request drivers/infiniband/sw/rxe/rxe.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/infiniband/sw/rxe/rxe.c b/drivers/infiniband/sw/rxe/rxe.c index 10999fa69281..2f4e57886b89 100644 --- a/drivers/infiniband/sw/rxe/rxe.c +++ b/drivers/infiniband/sw/rxe/rxe.c @@ -103,7 +103,7 @@ static void rxe_init_device_param(struct rxe_dev *rxe) rxe->attr.max_res_rd_atom = RXE_MAX_RES_RD_ATOM; rxe->attr.max_qp_init_rd_atom = RXE_MAX_QP_INIT_RD_ATOM; rxe->attr.max_ee_init_rd_atom = RXE_MAX_EE_INIT_RD_ATOM; - rxe->attr.atomic_cap = RXE_ATOMIC_CAP; + rxe->attr.atomic_cap = IB_ATOMIC_HCA; rxe->attr.max_ee = RXE_MAX_EE; rxe->attr.max_rdd = RXE_MAX_RDD; rxe->attr.max_mw = RXE_MAX_MW; @@ -128,9 +128,9 @@ static void rxe_init_device_param(struct rxe_dev *rxe) /* initialize port attributes */ static int rxe_init_port_param(struct rxe_port *port) { - port->attr.state = RXE_PORT_STATE; - port->attr.max_mtu = RXE_PORT_MAX_MTU; - port->attr.active_mtu = RXE_PORT_ACTIVE_MTU; + port->attr.state = IB_PORT_DOWN; + port->attr.max_mtu = IB_MTU_4096; + port->attr.active_mtu = IB_MTU_256; port->attr.gid_tbl_len = RXE_PORT_GID_TBL_LEN; port->attr.port_cap_flags = RXE_PORT_PORT_CAP_FLAGS; port->attr.max_msg_sz = RXE_PORT_MAX_MSG_SZ; @@ -147,8 +147,7 @@ static int rxe_init_port_param(struct rxe_port *port) port->attr.active_width = RXE_PORT_ACTIVE_WIDTH; port->attr.active_speed = RXE_PORT_ACTIVE_SPEED; port->attr.phys_state = RXE_PORT_PHYS_STATE; - port->mtu_cap = - ib_mtu_enum_to_int(RXE_PORT_ACTIVE_MTU); + port->mtu_cap = ib_mtu_enum_to_int(IB_MTU_256); port->subnet_prefix = cpu_to_be64(RXE_PORT_SUBNET_PREFIX); return 0; -- 2.19.0