修改4g拨号为QMI,需要在系统里后台执行quectel-CM

hc

2024-10-22 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5

 kernel/drivers/gpio/gpio-xtensa.c
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@@ -1,10 +1,7 @@
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+// SPDX-License-Identifier: GPL-2.0
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 /*
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  * Copyright (C) 2013 TangoTec Ltd.
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  * Author: Baruch Siach <baruch@tkos.co.il>
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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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  * Driver for the Xtensa LX4 GPIO32 Option
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  *
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@@ -30,7 +27,7 @@
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 #include <linux/err.h>
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 #include <linux/module.h>
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-#include <linux/gpio.h>
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+#include <linux/gpio/driver.h>
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 #include <linux/bitops.h>
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 #include <linux/platform_device.h>
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@@ -47,15 +44,14 @@
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 	unsigned long flags;
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 	local_irq_save(flags);
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-	RSR_CPENABLE(*cpenable);
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-	WSR_CPENABLE(*cpenable | BIT(XCHAL_CP_ID_XTIOP));
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-
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+	*cpenable = xtensa_get_sr(cpenable);
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+	xtensa_set_sr(*cpenable | BIT(XCHAL_CP_ID_XTIOP), cpenable);
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 	return flags;
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 }
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 static inline void disable_cp(unsigned long flags, unsigned long cpenable)
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 {
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-	WSR_CPENABLE(cpenable);
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+	xtensa_set_sr(cpenable, cpenable);
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 	local_irq_restore(flags);
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 }
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@@ -75,7 +71,7 @@
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 static int xtensa_impwire_get_direction(struct gpio_chip *gc, unsigned offset)
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 {
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-	return 1; /* input only */
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+	return GPIO_LINE_DIRECTION_IN; /* input only */
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 }
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 static int xtensa_impwire_get_value(struct gpio_chip *gc, unsigned offset)
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@@ -98,7 +94,7 @@
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 static int xtensa_expstate_get_direction(struct gpio_chip *gc, unsigned offset)
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 {
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-	return 0; /* output only */
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+	return GPIO_LINE_DIRECTION_OUT; /* output only */
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 }
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 static int xtensa_expstate_get_value(struct gpio_chip *gc, unsigned offset)