disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/isdn/hardware/mISDN/w6692.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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  * w6692.c     mISDN driver for Winbond w6692 based cards
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  *
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@@ -5,20 +6,6 @@
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  *             based on the w6692 I4L driver from Petr Novak <petr.novak@i.cz>
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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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@@ -369,8 +356,7 @@
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 			card->dch.err_rx++;
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 #endif
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 		}
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-		if (card->dch.rx_skb)
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-			dev_kfree_skb(card->dch.rx_skb);
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+		dev_kfree_skb(card->dch.rx_skb);
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 		card->dch.rx_skb = NULL;
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 		WriteW6692(card, W_D_CMDR, W_D_CMDR_RACK | W_D_CMDR_RRST);
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 	} else {
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@@ -389,8 +375,7 @@
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 	if (card->dch.tx_skb && card->dch.tx_idx < card->dch.tx_skb->len) {
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 		W6692_fill_Dfifo(card);
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 	} else {
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-		if (card->dch.tx_skb)
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-			dev_kfree_skb(card->dch.tx_skb);
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+		dev_kfree_skb(card->dch.tx_skb);
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 		if (get_next_dframe(&card->dch))
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 			W6692_fill_Dfifo(card);
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 	}
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@@ -481,8 +466,8 @@
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 		WriteW6692B(wch, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
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 		if (wch->bch.rx_skb)
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 			skb_trim(wch->bch.rx_skb, 0);
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-		pr_warning("%s.B%d: No bufferspace for %d bytes\n",
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-			   card->name, wch->bch.nr, count);
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+		pr_warn("%s.B%d: No bufferspace for %d bytes\n",
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+			card->name, wch->bch.nr, count);
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 		return;
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 	}
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 	ptr = skb_put(wch->bch.rx_skb, count);
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@@ -649,8 +634,7 @@
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 	if (wch->bch.tx_skb && wch->bch.tx_idx < wch->bch.tx_skb->len) {
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 		W6692_fill_Bfifo(wch);
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 	} else {
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-		if (wch->bch.tx_skb)
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-			dev_kfree_skb(wch->bch.tx_skb);
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+		dev_kfree_skb(wch->bch.tx_skb);
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 		if (get_next_bframe(&wch->bch)) {
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 			W6692_fill_Bfifo(wch);
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 			test_and_clear_bit(FLG_TX_EMPTY, &wch->bch.Flags);
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@@ -745,8 +729,8 @@
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 				 wch->bch.nr, star);
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 		}
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 		if (star & W_B_STAR_XDOW) {
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-			pr_warning("%s: B%d XDOW proto=%x\n", card->name,
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-				   wch->bch.nr, wch->bch.state);
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+			pr_warn("%s: B%d XDOW proto=%x\n", card->name,
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+				wch->bch.nr, wch->bch.state);
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 #ifdef ERROR_STATISTIC
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 			wch->bch.err_xdu++;
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 #endif
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@@ -763,8 +747,8 @@
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 			return; /* handle XDOW only once */
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 	}
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 	if (stat & W_B_EXI_XDUN) {
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-		pr_warning("%s: B%d XDUN proto=%x\n", card->name,
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-			   wch->bch.nr, wch->bch.state);
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+		pr_warn("%s: B%d XDUN proto=%x\n", card->name,
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+			wch->bch.nr, wch->bch.state);
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 #ifdef ERROR_STATISTIC
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 		wch->bch.err_xdu++;
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 #endif