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path: root/drivers/media/pci/tw68/tw68-core.c
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Diffstat (limited to 'drivers/media/pci/tw68/tw68-core.c')
-rw-r--r--drivers/media/pci/tw68/tw68-core.c49
1 files changed, 16 insertions, 33 deletions
diff --git a/drivers/media/pci/tw68/tw68-core.c b/drivers/media/pci/tw68/tw68-core.c
index 8474528be91e..08b7ce1043aa 100644
--- a/drivers/media/pci/tw68/tw68-core.c
+++ b/drivers/media/pci/tw68/tw68-core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* tw68-core.c
* Core functions for the Techwell 68xx driver
@@ -13,17 +14,7 @@
*
* Refactored and updated to the latest v4l core frameworks:
*
- * Copyright (C) 2014 Hans Verkuil <hverkuil@xs4all.nl>
- *
- * 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.
+ * Copyright (C) 2014 Hans Verkuil <hverkuil@kernel.org>
*/
#include <linux/init.h>
@@ -46,7 +37,7 @@
MODULE_DESCRIPTION("v4l2 driver module for tw6800 based video capture cards");
MODULE_AUTHOR("William M. Brack");
-MODULE_AUTHOR("Hans Verkuil <hverkuil@xs4all.nl>");
+MODULE_AUTHOR("Hans Verkuil <hverkuil@kernel.org>");
MODULE_LICENSE("GPL");
static unsigned int latency = UNSET;
@@ -66,7 +57,7 @@ static atomic_t tw68_instance = ATOMIC_INIT(0);
/* ------------------------------------------------------------------ */
/*
- * Please add any new PCI IDs to: http://pci-ids.ucw.cz. This keeps
+ * Please add any new PCI IDs to: https://pci-ids.ucw.cz. This keeps
* the PCI ID database up to date. Note that the entries must be
* added under vendor 0x1797 (Techwell Inc.) as subsystem IDs.
*/
@@ -257,7 +248,7 @@ static int tw68_initdev(struct pci_dev *pci_dev,
dev->name, pci_name(pci_dev), dev->pci_rev, pci_dev->irq,
dev->pci_lat, (u64)pci_resource_start(pci_dev, 0));
pci_set_master(pci_dev);
- err = pci_set_dma_mask(pci_dev, DMA_BIT_MASK(32));
+ err = dma_set_mask(&pci_dev->dev, DMA_BIT_MASK(32));
if (err) {
pr_info("%s: Oops: no 32bit PCI DMA ???\n", dev->name);
goto fail1;
@@ -368,10 +359,9 @@ static void tw68_finidev(struct pci_dev *pci_dev)
v4l2_device_unregister(&dev->v4l2_dev);
}
-#ifdef CONFIG_PM
-
-static int tw68_suspend(struct pci_dev *pci_dev , pm_message_t state)
+static int __maybe_unused tw68_suspend(struct device *dev_d)
{
+ struct pci_dev *pci_dev = to_pci_dev(dev_d);
struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
struct tw68_dev *dev = container_of(v4l2_dev,
struct tw68_dev, v4l2_dev);
@@ -382,24 +372,19 @@ static int tw68_suspend(struct pci_dev *pci_dev , pm_message_t state)
synchronize_irq(pci_dev->irq);
- pci_save_state(pci_dev);
- pci_set_power_state(pci_dev, pci_choose_state(pci_dev, state));
vb2_discard_done(&dev->vidq);
return 0;
}
-static int tw68_resume(struct pci_dev *pci_dev)
+static int __maybe_unused tw68_resume(struct device *dev_d)
{
- struct v4l2_device *v4l2_dev = pci_get_drvdata(pci_dev);
+ struct v4l2_device *v4l2_dev = dev_get_drvdata(dev_d);
struct tw68_dev *dev = container_of(v4l2_dev,
struct tw68_dev, v4l2_dev);
struct tw68_buf *buf;
unsigned long flags;
- pci_set_power_state(pci_dev, PCI_D0);
- pci_restore_state(pci_dev);
-
/* Do things that are done in tw68_initdev ,
except of initializing memory structures.*/
@@ -417,19 +402,17 @@ static int tw68_resume(struct pci_dev *pci_dev)
return 0;
}
-#endif
/* ----------------------------------------------------------- */
+static SIMPLE_DEV_PM_OPS(tw68_pm_ops, tw68_suspend, tw68_resume);
+
static struct pci_driver tw68_pci_driver = {
- .name = "tw68",
- .id_table = tw68_pci_tbl,
- .probe = tw68_initdev,
- .remove = tw68_finidev,
-#ifdef CONFIG_PM
- .suspend = tw68_suspend,
- .resume = tw68_resume
-#endif
+ .name = "tw68",
+ .id_table = tw68_pci_tbl,
+ .probe = tw68_initdev,
+ .remove = tw68_finidev,
+ .driver.pm = &tw68_pm_ops,
};
module_pci_driver(tw68_pci_driver);