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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/sound/pci/asihpi/hpioctl.c
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@@ -1,17 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*******************************************************************************
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     AudioScience HPI driver
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     Common Linux HPI ioctl and module probe/remove functions
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     Copyright (C) 1997-2014  AudioScience Inc. <support@audioscience.com>
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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 version 2 of the GNU General Public License 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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 #define SOURCEFILE_NAME "hpioctl.c"
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@@ -336,8 +329,17 @@
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 	   asihpi_irq_count, a->adapter->type, a->adapter->index); */
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 	if (a->interrupt_callback)
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-		a->interrupt_callback(a);
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+		return IRQ_WAKE_THREAD;
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+	return IRQ_HANDLED;
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+}
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+
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+static irqreturn_t asihpi_isr_thread(int irq, void *dev_id)
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+{
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+	struct hpi_adapter *a = dev_id;
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+
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+	if (a->interrupt_callback)
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+		a->interrupt_callback(a);
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 	return IRQ_HANDLED;
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 }
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@@ -485,8 +487,9 @@
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 		}
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 		/* Note: request_irq calls asihpi_isr here */
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-		if (request_irq(pci_dev->irq, asihpi_isr, IRQF_SHARED,
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-				"asihpi", &adapters[adapter_index])) {
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+		if (request_threaded_irq(pci_dev->irq, asihpi_isr,
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+					 asihpi_isr_thread, IRQF_SHARED,
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+					 "asihpi", &adapters[adapter_index])) {
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 			dev_err(&pci_dev->dev, "request_irq(%d) failed\n",
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 				pci_dev->irq);
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 			goto err;