From 244b2c5ca8b14627e4a17755e5922221e121c771 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 09 Oct 2024 06:15:07 +0000
Subject: [PATCH] change system file
---
kernel/drivers/pinctrl/pinctrl-pic32.c | 48 +++++++++++++++++++-----------------------------
1 files changed, 19 insertions(+), 29 deletions(-)
diff --git a/kernel/drivers/pinctrl/pinctrl-pic32.c b/kernel/drivers/pinctrl/pinctrl-pic32.c
index 9639022..a6e2a4a 100644
--- a/kernel/drivers/pinctrl/pinctrl-pic32.c
+++ b/kernel/drivers/pinctrl/pinctrl-pic32.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* PIC32 pinctrl driver
*
* Joshua Henderson, <joshua.henderson@microchip.com>
* Copyright (C) 2015 Microchip Technology Inc. All rights reserved.
- *
- * This program is free software; you can distribute it and/or modify it
- * under the terms of the GNU General Public License (Version 2) as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
*/
#include <linux/clk.h>
#include <linux/gpio/driver.h>
@@ -1998,7 +1990,10 @@
{
struct pic32_gpio_bank *bank = gpiochip_get_data(chip);
- return !!(readl(bank->reg_base + TRIS_REG) & BIT(offset));
+ if (readl(bank->reg_base + TRIS_REG) & BIT(offset))
+ return GPIO_LINE_DIRECTION_IN;
+
+ return GPIO_LINE_DIRECTION_OUT;
}
static void pic32_gpio_irq_ack(struct irq_data *data)
@@ -2210,7 +2205,7 @@
struct pic32_gpio_bank *bank;
u32 id;
int irq, ret;
- struct resource *res;
+ struct gpio_irq_chip *girq;
if (of_property_read_u32(np, "microchip,gpio-bank", &id)) {
dev_err(&pdev->dev, "microchip,gpio-bank property not found\n");
@@ -2224,16 +2219,13 @@
bank = &pic32_gpio_banks[id];
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- bank->reg_base = devm_ioremap_resource(&pdev->dev, res);
+ bank->reg_base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(bank->reg_base))
return PTR_ERR(bank->reg_base);
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(&pdev->dev, "irq get failed\n");
+ if (irq < 0)
return irq;
- }
bank->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(bank->clk)) {
@@ -2250,25 +2242,23 @@
bank->gpio_chip.parent = &pdev->dev;
bank->gpio_chip.of_node = np;
+ girq = &bank->gpio_chip.irq;
+ girq->chip = &bank->irq_chip;
+ girq->parent_handler = pic32_gpio_irq_handler;
+ girq->num_parents = 1;
+ girq->parents = devm_kcalloc(&pdev->dev, 1, sizeof(*girq->parents),
+ GFP_KERNEL);
+ if (!girq->parents)
+ return -ENOMEM;
+ girq->default_type = IRQ_TYPE_NONE;
+ girq->handler = handle_level_irq;
+ girq->parents[0] = irq;
ret = gpiochip_add_data(&bank->gpio_chip, bank);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to add GPIO chip %u: %d\n",
id, ret);
return ret;
}
-
- ret = gpiochip_irqchip_add(&bank->gpio_chip, &bank->irq_chip,
- 0, handle_level_irq, IRQ_TYPE_NONE);
- if (ret < 0) {
- dev_err(&pdev->dev, "Failed to add IRQ chip %u: %d\n",
- id, ret);
- gpiochip_remove(&bank->gpio_chip);
- return ret;
- }
-
- gpiochip_set_chained_irqchip(&bank->gpio_chip, &bank->irq_chip,
- irq, pic32_gpio_irq_handler);
-
return 0;
}
--
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