diff options
Diffstat (limited to 'drivers/net/ethernet/freescale/fman/fman_port.c')
| -rw-r--r-- | drivers/net/ethernet/freescale/fman/fman_port.c | 101 |
1 files changed, 49 insertions, 52 deletions
diff --git a/drivers/net/ethernet/freescale/fman/fman_port.c b/drivers/net/ethernet/freescale/fman/fman_port.c index ee82ee1384eb..e977389f7088 100644 --- a/drivers/net/ethernet/freescale/fman/fman_port.c +++ b/drivers/net/ethernet/freescale/fman/fman_port.c @@ -1,38 +1,12 @@ +// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-or-later /* * Copyright 2008 - 2015 Freescale Semiconductor Inc. - * - * 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 Freescale Semiconductor nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * - * ALTERNATIVELY, this software may be distributed under the terms of the - * GNU General Public License ("GPL") as published by the Free Software - * Foundation, either version 2 of that License or (at your option) any - * later version. - * - * THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``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 Freescale Semiconductor 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. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/io.h> +#include <linux/platform_device.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/interrupt.h> @@ -435,7 +409,6 @@ struct fman_port_cfg { struct fman_port_rx_pools_params { u8 num_of_pools; - u16 second_largest_buf_size; u16 largest_buf_size; }; @@ -946,8 +919,6 @@ static int set_ext_buffer_pools(struct fman_port *port) port->rx_pools_params.num_of_pools = ext_buf_pools->num_of_pools_used; port->rx_pools_params.largest_buf_size = sizes_array[ordered_array[ext_buf_pools->num_of_pools_used - 1]]; - port->rx_pools_params.second_largest_buf_size = - sizes_array[ordered_array[ext_buf_pools->num_of_pools_used - 2]]; /* FMBM_RMPD reg. - pool depletion */ if (buf_pool_depletion->pools_grp_mode_enable) { @@ -1016,7 +987,7 @@ static int init_low_level_driver(struct fman_port *port) return -ENODEV; } - /* The code bellow is a trick so the FM will not release the buffer + /* The code below is a trick so the FM will not release the buffer * to BM nor will try to enqueue the frame to QM */ if (port->port_type == FMAN_PORT_TYPE_TX) { @@ -1347,10 +1318,10 @@ int fman_port_config(struct fman_port *port, struct fman_port_params *params) switch (port->port_type) { case FMAN_PORT_TYPE_RX: set_rx_dflt_cfg(port, params); - /* fall through */ + fallthrough; case FMAN_PORT_TYPE_TX: set_tx_dflt_cfg(port, params, &port->dts_params); - /* fall through */ + fallthrough; default: set_dflt_cfg(port, params); } @@ -1413,9 +1384,11 @@ err_port_cfg: } EXPORT_SYMBOL(fman_port_config); -/** +/* * fman_port_use_kg_hash - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. + * @enable: enable or disable + * * Sets the HW KeyGen or the BMI as HW Parser next engine, enabling * or bypassing the KeyGen hashing of Rx traffic */ @@ -1433,7 +1406,8 @@ EXPORT_SYMBOL(fman_port_use_kg_hash); /** * fman_port_init - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. + * * Initializes the FM PORT module by defining the software structure and * configuring the hardware registers. * @@ -1527,8 +1501,8 @@ EXPORT_SYMBOL(fman_port_init); /** * fman_port_cfg_buf_prefix_content - * @port A pointer to a FM Port module. - * @buffer_prefix_content A structure of parameters describing + * @port: A pointer to a FM Port module. + * @buffer_prefix_content: A structure of parameters describing * the structure of the buffer. * Out parameter: * Start margin - offset of data from @@ -1573,7 +1547,7 @@ EXPORT_SYMBOL(fman_port_cfg_buf_prefix_content); /** * fman_port_disable - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. * * Gracefully disable an FM port. The port will not start new tasks after all * tasks associated with the port are terminated. @@ -1654,7 +1628,7 @@ EXPORT_SYMBOL(fman_port_disable); /** * fman_port_enable - * port: A pointer to a FM Port module. + * @port: A pointer to a FM Port module. * * A runtime routine provided to allow disable/enable of port. * @@ -1700,7 +1674,7 @@ EXPORT_SYMBOL(fman_port_enable); /** * fman_port_bind - * dev: FMan Port OF device pointer + * @dev: FMan Port OF device pointer * * Bind to a specific FMan Port. * @@ -1716,7 +1690,7 @@ EXPORT_SYMBOL(fman_port_bind); /** * fman_port_get_qman_channel_id - * port: Pointer to the FMan port devuce + * @port: Pointer to the FMan port devuce * * Get the QMan channel ID for the specific port * @@ -1728,6 +1702,20 @@ u32 fman_port_get_qman_channel_id(struct fman_port *port) } EXPORT_SYMBOL(fman_port_get_qman_channel_id); +/** + * fman_port_get_device + * @port: Pointer to the FMan port device + * + * Get the 'struct device' associated to the specified FMan port device + * + * Return: pointer to associated 'struct device' + */ +struct device *fman_port_get_device(struct fman_port *port) +{ + return port->dev; +} +EXPORT_SYMBOL(fman_port_get_device); + int fman_port_get_hash_result_offset(struct fman_port *port, u32 *offset) { if (port->buffer_offsets.hash_result_offset == ILLEGAL_BASE) @@ -1756,10 +1744,11 @@ static int fman_port_probe(struct platform_device *of_dev) struct fman_port *port; struct fman *fman; struct device_node *fm_node, *port_node; + struct platform_device *fm_pdev; struct resource res; struct resource *dev_res; u32 val; - int err = 0, lenp; + int err = 0; enum fman_port_type port_type; u16 port_speed; u8 port_id; @@ -1780,19 +1769,25 @@ static int fman_port_probe(struct platform_device *of_dev) goto return_err; } - fman = dev_get_drvdata(&of_find_device_by_node(fm_node)->dev); + fm_pdev = of_find_device_by_node(fm_node); of_node_put(fm_node); - if (!fman) { + if (!fm_pdev) { err = -EINVAL; goto return_err; } + fman = dev_get_drvdata(&fm_pdev->dev); + if (!fman) { + err = -EINVAL; + goto put_device; + } + err = of_property_read_u32(port_node, "cell-index", &val); if (err) { dev_err(port->dev, "%s: reading cell-index for %pOF failed\n", __func__, port_node); err = -EINVAL; - goto return_err; + goto put_device; } port_id = (u8)val; port->dts_params.id = port_id; @@ -1800,7 +1795,7 @@ static int fman_port_probe(struct platform_device *of_dev) if (of_device_is_compatible(port_node, "fsl,fman-v3-port-tx")) { port_type = FMAN_PORT_TYPE_TX; port_speed = 1000; - if (of_find_property(port_node, "fsl,fman-10g-port", &lenp)) + if (of_property_read_bool(port_node, "fsl,fman-10g-port")) port_speed = 10000; } else if (of_device_is_compatible(port_node, "fsl,fman-v2-port-tx")) { @@ -1813,7 +1808,7 @@ static int fman_port_probe(struct platform_device *of_dev) } else if (of_device_is_compatible(port_node, "fsl,fman-v3-port-rx")) { port_type = FMAN_PORT_TYPE_RX; port_speed = 1000; - if (of_find_property(port_node, "fsl,fman-10g-port", &lenp)) + if (of_property_read_bool(port_node, "fsl,fman-10g-port")) port_speed = 10000; } else if (of_device_is_compatible(port_node, "fsl,fman-v2-port-rx")) { @@ -1826,7 +1821,7 @@ static int fman_port_probe(struct platform_device *of_dev) } else { dev_err(port->dev, "%s: Illegal port type\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.type = port_type; @@ -1840,7 +1835,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: incorrect qman-channel-id\n", __func__); err = -EINVAL; - goto return_err; + goto put_device; } port->dts_params.qman_channel_id = qman_channel_id; } @@ -1850,7 +1845,7 @@ static int fman_port_probe(struct platform_device *of_dev) dev_err(port->dev, "%s: of_address_to_resource() failed\n", __func__); err = -ENOMEM; - goto return_err; + goto put_device; } port->dts_params.fman = fman; @@ -1875,6 +1870,8 @@ static int fman_port_probe(struct platform_device *of_dev) return 0; +put_device: + put_device(&fm_pdev->dev); return_err: of_node_put(port_node); free_port: |