add wifi6 8852be driver

hc

2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da

 kernel/drivers/media/pci/cx88/cx88-alsa.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  Support for audio capture
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  *  PCI function #1 of the cx2388x.
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@@ -7,16 +8,6 @@
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  *    (c) 2005 Mauro Carvalho Chehab <mchehab@kernel.org>
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  *    Based on a dummy cx88 module by Gerd Knorr <kraxel@bytesex.org>
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  *    Based on dummy.c by Jaroslav Kysela <perex@perex.cz>
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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; either version 2 of the License, or
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- *  (at your option) any later version.
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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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12
 
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 #include "cx88.h"
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@@ -51,12 +42,12 @@
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  */
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 struct cx88_audio_buffer {
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-	unsigned int               bpl;
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-	struct cx88_riscmem        risc;
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+	unsigned int		bpl;
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+	struct cx88_riscmem	risc;
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 	void			*vaddr;
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 	struct scatterlist	*sglist;
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 	int                     sglen;
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-	int                     nr_pages;
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+	unsigned long		nr_pages;
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 };
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 struct cx88_audio_dev {
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@@ -104,7 +95,7 @@
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 MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards");
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 MODULE_AUTHOR("Ricardo Cerqueira");
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 MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@kernel.org>");
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-MODULE_LICENSE("GPL");
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+MODULE_LICENSE("GPL v2");
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 MODULE_VERSION(CX88_VERSION);
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 MODULE_SUPPORTED_DEVICE("{{Conexant,23881},{{Conexant,23882},{{Conexant,23883}");
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@@ -280,7 +271,8 @@
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 	return IRQ_RETVAL(handled);
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 }
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-static int cx88_alsa_dma_init(struct cx88_audio_dev *chip, int nr_pages)
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+static int cx88_alsa_dma_init(struct cx88_audio_dev *chip,
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+			      unsigned long nr_pages)
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 {
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 	struct cx88_audio_buffer *buf = chip->buf;
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 	struct page *pg;
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@@ -288,11 +280,11 @@
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 	buf->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT);
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 	if (!buf->vaddr) {
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-		dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages);
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+		dprintk(1, "vmalloc_32(%lu pages) failed\n", nr_pages);
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 		return -ENOMEM;
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 	}
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-	dprintk(1, "vmalloc is at addr %p, size=%d\n",
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+	dprintk(1, "vmalloc is at addr %p, size=%lu\n",
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 		buf->vaddr, nr_pages << PAGE_SHIFT);
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 	memset(buf->vaddr, 0, nr_pages << PAGE_SHIFT);
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@@ -325,7 +317,7 @@
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 	struct cx88_audio_buffer *buf = dev->buf;
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 	buf->sglen = dma_map_sg(&dev->pci->dev, buf->sglist,
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-			buf->nr_pages, PCI_DMA_FROMDEVICE);
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+			buf->nr_pages, DMA_FROM_DEVICE);
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 	if (buf->sglen == 0) {
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 		pr_warn("%s: cx88_alsa_map_sg failed\n", __func__);
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@@ -341,8 +333,8 @@
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 	if (!buf->sglen)
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 		return 0;
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-	dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen,
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-		     PCI_DMA_FROMDEVICE);
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+	dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->nr_pages,
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+		     DMA_FROM_DEVICE);
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 	buf->sglen = 0;
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 	return 0;
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 }
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@@ -594,7 +586,6 @@
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 static const struct snd_pcm_ops snd_cx88_pcm_ops = {
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 	.open = snd_cx88_pcm_open,
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 	.close = snd_cx88_close,
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-	.ioctl = snd_pcm_lib_ioctl,
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 	.hw_params = snd_cx88_hw_params,
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 	.hw_free = snd_cx88_hw_free,
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 	.prepare = snd_cx88_prepare,
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@@ -616,7 +607,7 @@
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 	if (err < 0)
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 		return err;
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 	pcm->private_data = chip;
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-	strcpy(pcm->name, name);
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+	strscpy(pcm->name, name, sizeof(pcm->name));
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 	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx88_pcm_ops);
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 	return 0;
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@@ -968,12 +959,12 @@
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 			goto error;
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 	}
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-	strcpy(card->driver, "CX88x");
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+	strscpy(card->driver, "CX88x", sizeof(card->driver));
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 	sprintf(card->shortname, "Conexant CX%x", pci->device);
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 	sprintf(card->longname, "%s at %#llx",
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 		card->shortname,
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 		(unsigned long long)pci_resource_start(pci, 0));
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-	strcpy(card->mixername, "CX88");
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+	strscpy(card->mixername, "CX88", sizeof(card->mixername));
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 	dprintk(0, "%s/%i: ALSA support for cx2388x boards\n",
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 		card->driver, devno);