diff options
Diffstat (limited to 'drivers/media/pci/saa7164/saa7164-cmd.c')
| -rw-r--r-- | drivers/media/pci/saa7164/saa7164-cmd.c | 44 |
1 files changed, 1 insertions, 43 deletions
diff --git a/drivers/media/pci/saa7164/saa7164-cmd.c b/drivers/media/pci/saa7164/saa7164-cmd.c index dfebd77ada59..a95662776ee8 100644 --- a/drivers/media/pci/saa7164/saa7164-cmd.c +++ b/drivers/media/pci/saa7164/saa7164-cmd.c @@ -1,18 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Driver for the NXP SAA7164 PCIe bridge * * Copyright (c) 2010-2015 Steven Toth <stoth@kernellabs.com> - * - * 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; either version 2 of the License, or - * (at your option) any later version. - * - * 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. */ #include <linux/wait.h> @@ -197,7 +187,6 @@ static int saa7164_cmd_set(struct saa7164_dev *dev, struct tmComResInfo *msg, mutex_lock(&dev->cmds[msg->id].lock); size = msg->size; - idx = 0; cmds = size / bus->m_wMaxReqSize; if (size % bus->m_wMaxReqSize == 0) cmds -= 1; @@ -306,34 +295,6 @@ static int saa7164_cmd_wait(struct saa7164_dev *dev, u8 seqno) return ret; } -void saa7164_cmd_signal(struct saa7164_dev *dev, u8 seqno) -{ - int i; - dprintk(DBGLVL_CMD, "%s()\n", __func__); - - mutex_lock(&dev->lock); - for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) { - if (dev->cmds[i].inuse == 1) { - dprintk(DBGLVL_CMD, - "seqno %d inuse, sig = %d, t/out = %d\n", - dev->cmds[i].seqno, - dev->cmds[i].signalled, - dev->cmds[i].timeout); - } - } - - for (i = 0; i < SAA_CMD_MAX_MSG_UNITS; i++) { - if ((dev->cmds[i].inuse == 1) && ((i == 0) || - (dev->cmds[i].signalled) || (dev->cmds[i].timeout))) { - dprintk(DBGLVL_CMD, "%s(seqno=%d) calling wake_up\n", - __func__, i); - dev->cmds[i].signalled = 1; - wake_up(&dev->cmds[i].wait); - } - } - mutex_unlock(&dev->lock); -} - int saa7164_cmd_send(struct saa7164_dev *dev, u8 id, enum tmComResCmd command, u16 controlselector, u16 size, void *buf) { @@ -559,9 +520,6 @@ int saa7164_cmd_send(struct saa7164_dev *dev, u8 id, enum tmComResCmd command, /* See of other commands are on the bus */ if (saa7164_cmd_dequeue(dev) != SAA_OK) printk(KERN_ERR "dequeue(3) failed\n"); - - continue; - } /* (loop) */ /* Release the sequence number allocation */ |