add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/atm/firestream.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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 /* drivers/atm/firestream.c - FireStream 155 (MB86697) and
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  *                            FireStream  50 (MB86695) device driver 
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@@ -9,22 +10,6 @@
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  */
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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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-  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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-  The GNU GPL is contained in /usr/doc/copyright/GPL on a Debian
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-  system and in the file COPYING in the Linux kernel source.
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 */
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@@ -726,7 +711,7 @@
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 		switch (STATUS_CODE (qe)) {
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 		case 0x01: /* This is for AAL0 where we put the chip in streaming mode */
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-			/* Fall through */
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+			fallthrough;
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 		case 0x02:
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 			/* Process a real txdone entry. */
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 			tmp = qe->p0;
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@@ -1089,7 +1074,7 @@
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 					RC_FLAGS_BFPS_BFP * bfp |
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 					RC_FLAGS_RXBM_PSB, 0, 0);
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 			break;
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-		};
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+		}
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 		if (IS_FS50 (dev)) {
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 			submit_command (dev, &dev->hp_txq, 
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 					QE_CMD_REG_WR | QE_CMD_IMM_INQ,
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@@ -1293,8 +1278,6 @@
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 	.send =         fs_send,
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 	.owner =        THIS_MODULE,
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 	/* ioctl:          fs_ioctl, */
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-	/* getsockopt:     fs_getsockopt, */
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-	/* setsockopt:     fs_setsockopt, */
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 	/* change_qos:     fs_change_qos, */
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 	/* For now implement these internally here... */  
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@@ -1414,7 +1397,7 @@
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 	func_enter ();
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-	fs_dprintk (FS_DEBUG_INIT, "Inititing queue at %x: %d entries:\n", 
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+	fs_dprintk (FS_DEBUG_INIT, "Initializing queue at %x: %d entries:\n",
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 		    queue, nentries);
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 	p = aligned_kmalloc (sz, GFP_KERNEL, 0x10);
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@@ -1447,7 +1430,7 @@
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 {
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 	func_enter ();
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-	fs_dprintk (FS_DEBUG_INIT, "Inititing free pool at %x:\n", queue);
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+	fs_dprintk (FS_DEBUG_INIT, "Initializing free pool at %x:\n", queue);
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 	write_fs (dev, FP_CNF(queue), (bufsize * RBFP_RBS) | RBFP_RBSVAL | RBFP_CME);
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 	write_fs (dev, FP_SA(queue),  0);
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@@ -1650,7 +1633,7 @@
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 	}
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 	if (status & ISR_TBRQ_W) {
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-		fs_dprintk (FS_DEBUG_IRQ, "Data tramsitted!\n");
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+		fs_dprintk (FS_DEBUG_IRQ, "Data transmitted!\n");
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 		process_txdone_queue (dev, &dev->tx_relq);
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 	}
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@@ -1692,6 +1675,8 @@
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 	dev->hw_base = pci_resource_start(pci_dev, 0);
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 	dev->base = ioremap(dev->hw_base, 0x1000);
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+	if (!dev->base)
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+		return 1;
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 	reset_chip (dev);
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