add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/bluetooth/hci_nokia.c
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@@ -1,18 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  Bluetooth HCI UART H4 driver with Nokia Extensions AKA Nokia H4+
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  *
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  *  Copyright (C) 2015 Marcel Holtmann <marcel@holtmann.org>
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  *  Copyright (C) 2015-2017 Sebastian Reichel <sre@kernel.org>
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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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 #include <linux/clk.h>
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@@ -529,7 +520,7 @@
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 		err = skb_pad(skb, 1);
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 		if (err)
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 			return err;
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-		skb_put_u8(skb, 0x00);
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+		skb_put(skb, 1);
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 	}
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 	skb_queue_tail(&btdev->txq, skb);
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@@ -743,7 +734,11 @@
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 		return err;
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 	}
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-	clk_prepare_enable(sysclk);
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+	err = clk_prepare_enable(sysclk);
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+	if (err) {
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+		dev_err(dev, "could not enable sysclk: %d", err);
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+		return err;
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+	}
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 	btdev->sysclk_speed = clk_get_rate(sysclk);
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 	clk_disable_unprepare(sysclk);
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