change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/drivers/gpio/gpio-msic.c
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@@ -1,32 +1,19 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * Intel Medfield MSIC GPIO driver>
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  * Copyright (c) 2011, Intel Corporation.
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  *
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  * Author: Mathias Nyman <mathias.nyman@linux.intel.com>
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  * Based on intel_pmic_gpio.c
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms and conditions of the GNU General Public License,
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- * version 2, as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope it will be useful, but WITHOUT
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- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
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- * more details.
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- *
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- * You should have received a copy of the GNU General Public License along with
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- * this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
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- *
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  */
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-#include <linux/kernel.h>
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-#include <linux/slab.h>
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-#include <linux/interrupt.h>
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-#include <linux/init.h>
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 #include <linux/gpio/driver.h>
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-#include <linux/platform_device.h>
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+#include <linux/init.h>
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+#include <linux/interrupt.h>
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+#include <linux/kernel.h>
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 #include <linux/mfd/intel_msic.h>
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+#include <linux/platform_device.h>
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+#include <linux/slab.h>
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 /* the offset for the mapping of global gpio pin to irq */
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 #define MSIC_GPIO_IRQ_OFFSET	0x100
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@@ -237,20 +224,17 @@
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 	struct msic_gpio *mg = irq_data_get_irq_handler_data(data);
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 	struct irq_chip *chip = irq_data_get_irq_chip(data);
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 	struct intel_msic *msic = pdev_to_intel_msic(mg->pdev);
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+	unsigned long pending;
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 	int i;
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 	int bitnr;
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 	u8 pin;
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-	unsigned long pending = 0;
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 	for (i = 0; i < (mg->chip.ngpio / BITS_PER_BYTE); i++) {
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 		intel_msic_irq_read(msic, INTEL_MSIC_GPIO0LVIRQ + i, &pin);
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 		pending = pin;
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-		if (pending) {
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-			for_each_set_bit(bitnr, &pending, BITS_PER_BYTE)
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-				generic_handle_irq(mg->irq_base +
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-						   (i * BITS_PER_BYTE) + bitnr);
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-		}
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+		for_each_set_bit(bitnr, &pending, BITS_PER_BYTE)
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+			generic_handle_irq(mg->irq_base + i * BITS_PER_BYTE + bitnr);
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 	}
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 	chip->irq_eoi(data);
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 }