diff options
Diffstat (limited to 'drivers/infiniband/hw/hfi1/qsfp.c')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/qsfp.c | 72 |
1 files changed, 5 insertions, 67 deletions
diff --git a/drivers/infiniband/hw/hfi1/qsfp.c b/drivers/infiniband/hw/hfi1/qsfp.c index b5966991d647..3b7842a7f634 100644 --- a/drivers/infiniband/hw/hfi1/qsfp.c +++ b/drivers/infiniband/hw/hfi1/qsfp.c @@ -1,48 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* * Copyright(c) 2015, 2016 Intel Corporation. - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * BSD LICENSE - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * - Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * */ #include <linux/delay.h> @@ -231,7 +189,7 @@ static int i2c_bus_write(struct hfi1_devdata *dd, struct hfi1_i2c_bus *i2c, break; case 2: offset_bytes[1] = (offset >> 8) & 0xff; - /* fall through */ + fallthrough; case 1: num_msgs = 2; offset_bytes[0] = offset & 0xff; @@ -242,7 +200,7 @@ static int i2c_bus_write(struct hfi1_devdata *dd, struct hfi1_i2c_bus *i2c, msgs[0].buf = offset_bytes; msgs[1].addr = slave_addr; - msgs[1].flags = I2C_M_NOSTART, + msgs[1].flags = I2C_M_NOSTART; msgs[1].len = len; msgs[1].buf = data; break; @@ -279,7 +237,7 @@ static int i2c_bus_read(struct hfi1_devdata *dd, struct hfi1_i2c_bus *bus, break; case 2: offset_bytes[1] = (offset >> 8) & 0xff; - /* fall through */ + fallthrough; case 1: num_msgs = 2; offset_bytes[0] = offset & 0xff; @@ -290,7 +248,7 @@ static int i2c_bus_read(struct hfi1_devdata *dd, struct hfi1_i2c_bus *bus, msgs[0].buf = offset_bytes; msgs[1].addr = slave_addr; - msgs[1].flags = I2C_M_RD, + msgs[1].flags = I2C_M_RD; msgs[1].len = len; msgs[1].buf = data; break; @@ -447,26 +405,6 @@ int qsfp_write(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp, } /* - * Perform a stand-alone single QSFP write. Acquire the resource, do the - * write, then release the resource. - */ -int one_qsfp_write(struct hfi1_pportdata *ppd, u32 target, int addr, void *bp, - int len) -{ - struct hfi1_devdata *dd = ppd->dd; - u32 resource = qsfp_resource(dd); - int ret; - - ret = acquire_chip_resource(dd, resource, QSFP_WAIT); - if (ret) - return ret; - ret = qsfp_write(ppd, target, addr, bp, len); - release_chip_resource(dd, resource); - - return ret; -} - -/* * Access page n, offset m of QSFP memory as defined by SFF 8636 * by reading @addr = ((256 * n) + m) * |