diff options
Diffstat (limited to 'drivers/ps3/ps3-vuart.c')
| -rw-r--r-- | drivers/ps3/ps3-vuart.c | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/drivers/ps3/ps3-vuart.c b/drivers/ps3/ps3-vuart.c index b7f300b79ffd..5cb92535a4a1 100644 --- a/drivers/ps3/ps3-vuart.c +++ b/drivers/ps3/ps3-vuart.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * PS3 virtual uart * * Copyright (C) 2006 Sony Computer Entertainment Inc. * Copyright 2006 Sony Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include <linux/kernel.h> @@ -370,7 +358,7 @@ static int ps3_vuart_raw_write(struct ps3_system_bus_device *dev, ps3_mm_phys_to_lpar(__pa(buf)), bytes, bytes_written); if (result) { - dev_dbg(&dev->core, "%s:%d: lv1_write_virtual_uart failed: " + dev_warn(&dev->core, "%s:%d: lv1_write_virtual_uart failed: " "%s\n", __func__, __LINE__, ps3_result(result)); return result; } @@ -479,8 +467,8 @@ struct list_buffer { * * If the port is idle on entry as much of the incoming data is written to * the port as the port will accept. Otherwise a list buffer is created - * and any remaning incoming data is copied to that buffer. The buffer is - * then enqueued for transmision via the transmit interrupt. + * and any remaining incoming data is copied to that buffer. The buffer is + * then enqueued for transmission via the transmit interrupt. */ int ps3_vuart_write(struct ps3_system_bus_device *dev, const void *buf, @@ -870,13 +858,13 @@ static int ps3_vuart_handle_port_interrupt(struct ps3_system_bus_device *dev) return 0; } -struct vuart_bus_priv { +static struct vuart_bus_priv { struct ports_bmp *bmp; unsigned int virq; struct mutex probe_mutex; int use_count; struct ps3_system_bus_device *devices[PORT_COUNT]; -} static vuart_bus_priv; +} vuart_bus_priv; /** * ps3_vuart_irq_handler - first stage interrupt handler @@ -929,7 +917,6 @@ static int ps3_vuart_bus_interrupt_get(void) vuart_bus_priv.bmp = kzalloc(sizeof(struct ports_bmp), GFP_KERNEL); if (!vuart_bus_priv.bmp) { - pr_debug("%s:%d: kzalloc failed.\n", __func__, __LINE__); result = -ENOMEM; goto fail_bmp_malloc; } @@ -1115,7 +1102,7 @@ static int ps3_vuart_cleanup(struct ps3_system_bus_device *dev) * device can no longer be used. */ -static int ps3_vuart_remove(struct ps3_system_bus_device *dev) +static void ps3_vuart_remove(struct ps3_system_bus_device *dev) { struct ps3_vuart_port_priv *priv = to_port_priv(dev); struct ps3_vuart_port_driver *drv; @@ -1131,7 +1118,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev) dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__, __LINE__); mutex_unlock(&vuart_bus_priv.probe_mutex); - return 0; + return; } drv = ps3_system_bus_dev_to_vuart_drv(dev); @@ -1154,7 +1141,6 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev) dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); mutex_unlock(&vuart_bus_priv.probe_mutex); - return 0; } /** @@ -1167,7 +1153,7 @@ static int ps3_vuart_remove(struct ps3_system_bus_device *dev) * sequence. */ -static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev) +static void ps3_vuart_shutdown(struct ps3_system_bus_device *dev) { struct ps3_vuart_port_driver *drv; @@ -1182,7 +1168,7 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev) dev_dbg(&dev->core, "%s:%d: no driver bound\n", __func__, __LINE__); mutex_unlock(&vuart_bus_priv.probe_mutex); - return 0; + return; } drv = ps3_system_bus_dev_to_vuart_drv(dev); @@ -1206,7 +1192,6 @@ static int ps3_vuart_shutdown(struct ps3_system_bus_device *dev) dev_dbg(&dev->core, " <- %s:%d\n", __func__, __LINE__); mutex_unlock(&vuart_bus_priv.probe_mutex); - return 0; } static int __init ps3_vuart_bus_init(void) |