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path: root/drivers/media/pci/cx25821/cx25821-core.c
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Diffstat (limited to 'drivers/media/pci/cx25821/cx25821-core.c')
-rw-r--r--drivers/media/pci/cx25821/cx25821-core.c39
1 files changed, 10 insertions, 29 deletions
diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c
index 2f0171134f7e..6627fa9166d3 100644
--- a/drivers/media/pci/cx25821/cx25821-core.c
+++ b/drivers/media/pci/cx25821/cx25821-core.c
@@ -1,20 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Driver for the Conexant CX25821 PCIe bridge
*
* Copyright (C) 2009 Conexant Systems Inc.
* Authors <shu.lin@conexant.com>, <hiep.huynh@conexant.com>
* Based on Steven Toth <stoth@linuxtv.org> cx23885 driver
- *
- * 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.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -347,13 +337,6 @@ static int cx25821_risc_decode(u32 risc)
return incr[risc >> 28] ? incr[risc >> 28] : 1;
}
-static inline int i2c_slave_did_ack(struct i2c_adapter *i2c_adap)
-{
- struct cx25821_i2c *bus = i2c_adap->algo_data;
- struct cx25821_dev *dev = bus->dev;
- return cx_read(bus->reg_stat) & 0x01;
-}
-
static void cx25821_registers_init(struct cx25821_dev *dev)
{
u32 tmp;
@@ -986,10 +969,12 @@ int cx25821_riscmem_alloc(struct pci_dev *pci,
__le32 *cpu;
dma_addr_t dma = 0;
- if (NULL != risc->cpu && risc->size < size)
- pci_free_consistent(pci, risc->size, risc->cpu, risc->dma);
+ if (risc->cpu && risc->size < size) {
+ dma_free_coherent(&pci->dev, risc->size, risc->cpu, risc->dma);
+ risc->cpu = NULL;
+ }
if (NULL == risc->cpu) {
- cpu = pci_zalloc_consistent(pci, size, &dma);
+ cpu = dma_alloc_coherent(&pci->dev, size, &dma, GFP_KERNEL);
if (NULL == cpu)
return -ENOMEM;
risc->cpu = cpu;
@@ -1208,11 +1193,10 @@ EXPORT_SYMBOL(cx25821_risc_databuffer_audio);
void cx25821_free_buffer(struct cx25821_dev *dev, struct cx25821_buffer *buf)
{
- BUG_ON(in_interrupt());
if (WARN_ON(buf->risc.size == 0))
return;
- pci_free_consistent(dev->pci,
- buf->risc.size, buf->risc.cpu, buf->risc.dma);
+ dma_free_coherent(&dev->pci->dev, buf->risc.size, buf->risc.cpu,
+ buf->risc.dma);
memset(&buf->risc, 0, sizeof(buf->risc));
}
@@ -1311,7 +1295,7 @@ static int cx25821_initdev(struct pci_dev *pci_dev,
dev->pci_lat, (unsigned long long)dev->base_io_addr);
pci_set_master(pci_dev);
- err = pci_set_dma_mask(pci_dev, 0xffffffff);
+ err = dma_set_mask(&pci_dev->dev, 0xffffffff);
if (err) {
pr_err("%s/0: Oops: no 32bit PCI DMA ???\n", dev->name);
err = -EIO;
@@ -1348,11 +1332,11 @@ static void cx25821_finidev(struct pci_dev *pci_dev)
struct cx25821_dev *dev = get_cx25821(v4l2_dev);
cx25821_shutdown(dev);
- pci_disable_device(pci_dev);
/* unregister stuff */
if (pci_dev->irq)
free_irq(pci_dev->irq, dev);
+ pci_disable_device(pci_dev);
cx25821_dev_unregister(dev);
v4l2_device_unregister(v4l2_dev);
@@ -1384,9 +1368,6 @@ static struct pci_driver cx25821_pci_driver = {
.id_table = cx25821_pci_tbl,
.probe = cx25821_initdev,
.remove = cx25821_finidev,
- /* TODO */
- .suspend = NULL,
- .resume = NULL,
};
static int __init cx25821_init(void)