disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/isdn/hardware/mISDN/avmfritz.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * avm_fritz.c    low level stuff for AVM FRITZ!CARD PCI ISDN cards
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  *                Thanks to AVM, Berlin for informations
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@@ -5,20 +6,6 @@
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  * Author       Karsten Keil <keil@isdn4linux.de>
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  *
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  * Copyright 2009  by Karsten Keil <keil@isdn4linux.de>
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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 version 2 as
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- * published by the Free Software Foundation.
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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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- *
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  */
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 #include <linux/interrupt.h>
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 #include <linux/module.h>
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@@ -361,7 +348,7 @@
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 	switch (protocol) {
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 	case -1: /* used for init */
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 		bch->state = -1;
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-		/* fall through */
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+		fallthrough;
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 	case ISDN_P_NONE:
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 		if (bch->state == ISDN_P_NONE)
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 			break;
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@@ -415,8 +402,8 @@
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 	} else {
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 		cnt = bchannel_get_rxbuf(bch, count);
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 		if (cnt < 0) {
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-			pr_warning("%s.B%d: No bufferspace for %d bytes\n",
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-				   fc->name, bch->nr, count);
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+			pr_warn("%s.B%d: No bufferspace for %d bytes\n",
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+				fc->name, bch->nr, count);
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 			return;
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 		}
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 		p = skb_put(bch->rx_skb, count);
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@@ -522,8 +509,7 @@
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 	if (bch->tx_skb && bch->tx_idx < bch->tx_skb->len) {
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 		hdlc_fill_fifo(bch);
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 	} else {
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-		if (bch->tx_skb)
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-			dev_kfree_skb(bch->tx_skb);
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+		dev_kfree_skb(bch->tx_skb);
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 		if (get_next_bframe(bch)) {
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 			hdlc_fill_fifo(bch);
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 			test_and_clear_bit(FLG_TX_EMPTY, &bch->Flags);
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@@ -552,8 +538,8 @@
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 	}
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 	if (stat & HDLC_INT_RPR) {
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 		if (stat & HDLC_STAT_RDO) {
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-			pr_warning("%s: ch%d stat %x RDO\n",
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-				   fc->name, bch->nr, stat);
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+			pr_warn("%s: ch%d stat %x RDO\n",
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+				fc->name, bch->nr, stat);
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 			hdlc->ctrl.sr.xml = 0;
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 			hdlc->ctrl.sr.cmd |= HDLC_CMD_RRS;
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 			write_ctrl(bch, 1);
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@@ -575,8 +561,8 @@
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 				    HDLC_STAT_CRCVFR) {
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 					recv_Bchannel(bch, 0, false);
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 				} else {
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-					pr_warning("%s: got invalid frame\n",
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-						   fc->name);
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+					pr_warn("%s: got invalid frame\n",
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+						fc->name);
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 					skb_trim(bch->rx_skb, 0);
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 				}
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 			}
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@@ -588,8 +574,8 @@
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 		 * restart transmitting the whole frame on HDLC
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 		 * in transparent mode we send the next data
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 		 */
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-		pr_warning("%s: ch%d stat %x XDU %s\n", fc->name, bch->nr,
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-			   stat, bch->tx_skb ? "tx_skb" : "no tx_skb");
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+		pr_warn("%s: ch%d stat %x XDU %s\n", fc->name, bch->nr,
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+			stat, bch->tx_skb ? "tx_skb" : "no tx_skb");
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 		if (bch->tx_skb && bch->tx_skb->len) {
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 			if (!test_bit(FLG_TRANSPARENT, &bch->Flags))
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 				bch->tx_idx = 0;