add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/media/pci/saa7134/saa7134-alsa.c
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@@ -1,15 +1,6 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  *   SAA713x ALSA support for V4L
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- *
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- *   This program is free software; you can redistribute it and/or modify
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- *   it under the terms of the GNU General Public License as published by
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- *   the Free Software Foundation, version 2
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- *
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- *   This program is distributed in the hope that it will be useful,
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- *   but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- *   GNU General Public License for more details.
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- *
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4
  */
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5
 
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 #include "saa7134.h"
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@@ -261,7 +252,8 @@
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 	return err;
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 }
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-static int saa7134_alsa_dma_init(struct saa7134_dev *dev, int nr_pages)
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+static int saa7134_alsa_dma_init(struct saa7134_dev *dev,
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+				 unsigned long nr_pages)
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 {
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 	struct saa7134_dmasound *dma = &dev->dmasound;
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 	struct page *pg;
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@@ -269,11 +261,11 @@
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 	dma->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT);
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 	if (NULL == dma->vaddr) {
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-		pr_debug("vmalloc_32(%d pages) failed\n", nr_pages);
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+		pr_debug("vmalloc_32(%lu pages) failed\n", nr_pages);
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 		return -ENOMEM;
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 	}
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-	pr_debug("vmalloc is at addr %p, size=%d\n",
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+	pr_debug("vmalloc is at addr %p, size=%lu\n",
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 		 dma->vaddr, nr_pages << PAGE_SHIFT);
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 	memset(dma->vaddr, 0, nr_pages << PAGE_SHIFT);
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@@ -306,7 +298,7 @@
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 	struct saa7134_dmasound *dma = &dev->dmasound;
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 	dma->sglen = dma_map_sg(&dev->pci->dev, dma->sglist,
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-			dma->nr_pages, PCI_DMA_FROMDEVICE);
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+			dma->nr_pages, DMA_FROM_DEVICE);
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 	if (0 == dma->sglen) {
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 		pr_warn("%s: saa7134_alsa_map_sg failed\n", __func__);
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@@ -322,7 +314,7 @@
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 	if (!dma->sglen)
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 		return 0;
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-	dma_unmap_sg(&dev->pci->dev, dma->sglist, dma->sglen, PCI_DMA_FROMDEVICE);
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+	dma_unmap_sg(&dev->pci->dev, dma->sglist, dma->nr_pages, DMA_FROM_DEVICE);
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 	dma->sglen = 0;
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 	return 0;
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 }
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@@ -874,7 +866,6 @@
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 static const struct snd_pcm_ops snd_card_saa7134_capture_ops = {
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 	.open =			snd_card_saa7134_capture_open,
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 	.close =		snd_card_saa7134_capture_close,
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-	.ioctl =		snd_pcm_lib_ioctl,
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 	.hw_params =		snd_card_saa7134_hw_params,
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 	.hw_free =		snd_card_saa7134_hw_free,
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 	.prepare =		snd_card_saa7134_capture_prepare,
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@@ -901,7 +892,7 @@
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 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_saa7134_capture_ops);
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 	pcm->private_data = saa7134;
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 	pcm->info_flags = 0;
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-	strcpy(pcm->name, "SAA7134 PCM");
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+	strscpy(pcm->name, "SAA7134 PCM", sizeof(pcm->name));
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 	return 0;
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 }
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@@ -1074,7 +1065,7 @@
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 	unsigned int idx;
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 	int err, addr;
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-	strcpy(card->mixername, "SAA7134 Mixer");
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+	strscpy(card->mixername, "SAA7134 Mixer", sizeof(card->mixername));
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 	for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_volume_controls); idx++) {
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 		kcontrol = snd_ctl_new1(&snd_saa7134_volume_controls[idx],
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@@ -1138,7 +1129,7 @@
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 	if (err < 0)
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 		return err;
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-	strcpy(card->driver, "SAA7134");
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+	strscpy(card->driver, "SAA7134", sizeof(card->driver));
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 	/* Card "creation" */
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@@ -1178,7 +1169,7 @@
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 	/* End of "creation" */
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-	strcpy(card->shortname, "SAA7134");
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+	strscpy(card->shortname, "SAA7134", sizeof(card->shortname));
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 	sprintf(card->longname, "%s at 0x%lx irq %d",
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 		chip->dev->name, chip->iobase, chip->irq);
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@@ -1223,16 +1214,14 @@
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 static int saa7134_alsa_init(void)
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 {
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-	struct saa7134_dev *dev = NULL;
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-	struct list_head *list;
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+	struct saa7134_dev *dev;
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 	saa7134_dmasound_init = alsa_device_init;
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 	saa7134_dmasound_exit = alsa_device_exit;
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 	pr_info("saa7134 ALSA driver for DMA sound loaded\n");
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-	list_for_each(list,&saa7134_devlist) {
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-		dev = list_entry(list, struct saa7134_dev, devlist);
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+	list_for_each_entry(dev, &saa7134_devlist, devlist) {
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 		if (dev->pci->device == PCI_DEVICE_ID_PHILIPS_SAA7130)
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 			pr_info("%s/alsa: %s doesn't support digital audio\n",
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 				dev->name, saa7134_boards[dev->board].name);
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@@ -1240,7 +1229,7 @@
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 			alsa_device_init(dev);
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 	}
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-	if (dev == NULL)
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+	if (list_empty(&saa7134_devlist))
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 		pr_info("saa7134 ALSA: no saa7134 cards found\n");
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 	return 0;