diff options
Diffstat (limited to 'drivers/hsi/clients/hsi_char.c')
| -rw-r--r-- | drivers/hsi/clients/hsi_char.c | 38 |
1 files changed, 12 insertions, 26 deletions
diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c index e61e5f991aa5..71ce7dbfe31d 100644 --- a/drivers/hsi/clients/hsi_char.c +++ b/drivers/hsi/clients/hsi_char.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HSI character device driver, implements the character device * interface. @@ -5,20 +6,6 @@ * Copyright (C) 2010 Nokia Corporation. All rights reserved. * * Contact: Andras Domokos <andras.domokos@nokia.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA */ #include <linux/errno.h> @@ -367,7 +354,7 @@ static int hsc_rx_set(struct hsi_client *cl, struct hsc_rx_config *rxc) return -EINVAL; tmp = cl->rx_cfg; cl->rx_cfg.mode = rxc->mode; - cl->rx_cfg.channels = rxc->channels; + cl->rx_cfg.num_hw_channels = rxc->channels; cl->rx_cfg.flow = rxc->flow; ret = hsi_setup(cl); if (ret < 0) { @@ -383,7 +370,7 @@ static int hsc_rx_set(struct hsi_client *cl, struct hsc_rx_config *rxc) static inline void hsc_rx_get(struct hsi_client *cl, struct hsc_rx_config *rxc) { rxc->mode = cl->rx_cfg.mode; - rxc->channels = cl->rx_cfg.channels; + rxc->channels = cl->rx_cfg.num_hw_channels; rxc->flow = cl->rx_cfg.flow; } @@ -402,7 +389,7 @@ static int hsc_tx_set(struct hsi_client *cl, struct hsc_tx_config *txc) return -EINVAL; tmp = cl->tx_cfg; cl->tx_cfg.mode = txc->mode; - cl->tx_cfg.channels = txc->channels; + cl->tx_cfg.num_hw_channels = txc->channels; cl->tx_cfg.speed = txc->speed; cl->tx_cfg.arb_mode = txc->arb_mode; ret = hsi_setup(cl); @@ -417,7 +404,7 @@ static int hsc_tx_set(struct hsi_client *cl, struct hsc_tx_config *txc) static inline void hsc_tx_get(struct hsi_client *cl, struct hsc_tx_config *txc) { txc->mode = cl->tx_cfg.mode; - txc->channels = cl->tx_cfg.channels; + txc->channels = cl->tx_cfg.num_hw_channels; txc->speed = cl->tx_cfg.speed; txc->arb_mode = cl->tx_cfg.arb_mode; } @@ -435,7 +422,7 @@ static ssize_t hsc_read(struct file *file, char __user *buf, size_t len, return -EINVAL; if (len > max_data_size) len = max_data_size; - if (channel->ch >= channel->cl->rx_cfg.channels) + if (channel->ch >= channel->cl->rx_cfg.num_hw_channels) return -ECHRNG; if (test_and_set_bit(HSC_CH_READ, &channel->flags)) return -EBUSY; @@ -492,7 +479,7 @@ static ssize_t hsc_write(struct file *file, const char __user *buf, size_t len, return -EINVAL; if (len > max_data_size) len = max_data_size; - if (channel->ch >= channel->cl->tx_cfg.channels) + if (channel->ch >= channel->cl->tx_cfg.num_hw_channels) return -ECHRNG; if (test_and_set_bit(HSC_CH_WRITE, &channel->flags)) return -EBUSY; @@ -697,15 +684,14 @@ static int hsc_probe(struct device *dev) int i; cl_data = kzalloc(sizeof(*cl_data), GFP_KERNEL); - if (!cl_data) { - dev_err(dev, "Could not allocate hsc_client_data\n"); + if (!cl_data) return -ENOMEM; - } + hsc_baseminor = HSC_BASEMINOR(hsi_id(cl), hsi_port_id(cl)); if (!hsc_major) { ret = alloc_chrdev_region(&hsc_dev, hsc_baseminor, HSC_DEVS, devname); - if (ret > 0) + if (ret == 0) hsc_major = MAJOR(hsc_dev); } else { hsc_dev = MKDEV(hsc_major, hsc_baseminor); @@ -773,13 +759,13 @@ static int __init hsc_init(void) if ((max_data_size < 4) || (max_data_size > 0x10000) || (max_data_size & (max_data_size - 1))) { - pr_err("Invalid max read/write data size"); + pr_err("Invalid max read/write data size\n"); return -EINVAL; } ret = hsi_register_client_driver(&hsc_driver); if (ret) { - pr_err("Error while registering HSI/SSI driver %d", ret); + pr_err("Error while registering HSI/SSI driver %d\n", ret); return ret; } |