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2023-12-08 01573e231f18eb2d99162747186f59511f56b64d

 kernel/sound/pci/au88x0/au88x0_core.c
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@@ -1,17 +1,5 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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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 Library General Public License for more details.
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- *
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- *  You should have received a copy of the GNU General Public License
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- *  along with this program; if not, write to the Free Software
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- *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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  */
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4
 
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 /*
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@@ -1115,6 +1103,7 @@
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 		hwwrite(vortex->mmio,
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 			VORTEX_ADBDMA_BUFBASE + (adbdma << 4) + 0xc,
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 			snd_pcm_sgbuf_get_addr(dma->substream, psize * 3));
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+		fallthrough;
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 		/* 3 pages */
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 	case 3:
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 		dma->cfg0 |= 0x12000000;
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@@ -1122,12 +1111,14 @@
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 		hwwrite(vortex->mmio,
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 			VORTEX_ADBDMA_BUFBASE + (adbdma << 4) + 0x8,
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 			snd_pcm_sgbuf_get_addr(dma->substream, psize * 2));
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+		fallthrough;
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 		/* 2 pages */
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 	case 2:
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 		dma->cfg0 |= 0x88000000 | 0x44000000 | 0x10000000 | (psize - 1);
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 		hwwrite(vortex->mmio,
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 			VORTEX_ADBDMA_BUFBASE + (adbdma << 4) + 0x4,
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 			snd_pcm_sgbuf_get_addr(dma->substream, psize));
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+		fallthrough;
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 		/* 1 page */
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 	case 1:
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 		dma->cfg0 |= 0x80000000 | 0x40000000 | ((psize - 1) << 0xc);
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@@ -1390,17 +1381,20 @@
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 		dma->cfg1 |= 0x88000000 | 0x44000000 | 0x30000000 | (psize-1);
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 		hwwrite(vortex->mmio, VORTEX_WTDMA_BUFBASE + (wtdma << 4) + 0xc,
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 			snd_pcm_sgbuf_get_addr(dma->substream, psize * 3));
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+		fallthrough;
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 		/* 3 pages */
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 	case 3:
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 		dma->cfg0 |= 0x12000000;
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 		dma->cfg1 |= 0x80000000 | 0x40000000 | ((psize-1) << 0xc);
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 		hwwrite(vortex->mmio, VORTEX_WTDMA_BUFBASE + (wtdma << 4)  + 0x8,
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 			snd_pcm_sgbuf_get_addr(dma->substream, psize * 2));
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+		fallthrough;
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 		/* 2 pages */
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 	case 2:
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 		dma->cfg0 |= 0x88000000 | 0x44000000 | 0x10000000 | (psize-1);
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 		hwwrite(vortex->mmio, VORTEX_WTDMA_BUFBASE + (wtdma << 4) + 0x4,
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 			snd_pcm_sgbuf_get_addr(dma->substream, psize));
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+		fallthrough;
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 		/* 1 page */
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 	case 1:
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 		dma->cfg0 |= 0x80000000 | 0x40000000 | ((psize-1) << 0xc);
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@@ -1995,7 +1989,7 @@
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 // Higher level ADB audio path (de)allocator.
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 /* Resource manager */
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-static int resnum[VORTEX_RESOURCE_LAST] =
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+static const int resnum[VORTEX_RESOURCE_LAST] =
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     { NR_ADB, NR_SRC, NR_MIXIN, NR_MIXOUT, NR_A3D };
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 /*
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  Checkout/Checkin resource of given type. 
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@@ -2004,7 +1998,7 @@
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  out: Mean checkout if != 0. Else mean Checkin resource.
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  restype: Indicates type of resource to be checked in or out.
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 */
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-static char
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+static int
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 vortex_adb_checkinout(vortex_t * vortex, int resmap[], int out, int restype)
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 {
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 	int i, qty = resnum[restype], resinuse = 0;