From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/drivers/gpio/gpio-intel-mid.c | 56 ++++++++++++++++++++++++--------------------------------
1 files changed, 24 insertions(+), 32 deletions(-)
diff --git a/kernel/drivers/gpio/gpio-intel-mid.c b/kernel/drivers/gpio/gpio-intel-mid.c
index 028d64c..86a10c8 100644
--- a/kernel/drivers/gpio/gpio-intel-mid.c
+++ b/kernel/drivers/gpio/gpio-intel-mid.c
@@ -1,16 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Intel MID GPIO driver
*
* Copyright (c) 2008-2014,2016 Intel Corporation.
- *
- * This program is free software; you can redistribute 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 that 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.
*/
/* Supports:
@@ -20,12 +12,11 @@
*/
#include <linux/delay.h>
+#include <linux/gpio/driver.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
-#include <linux/gpio/driver.h>
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
@@ -273,9 +264,8 @@
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x08f7),
.driver_data = (kernel_ulong_t)&gpio_cloverview_core,
},
- { 0 }
+ { }
};
-MODULE_DEVICE_TABLE(pci, intel_gpio_ids);
static void intel_mid_irq_handler(struct irq_desc *desc)
{
@@ -303,8 +293,9 @@
chip->irq_eoi(data);
}
-static void intel_mid_irq_init_hw(struct intel_mid_gpio *priv)
+static int intel_mid_irq_init_hw(struct gpio_chip *chip)
{
+ struct intel_mid_gpio *priv = gpiochip_get_data(chip);
void __iomem *reg;
unsigned base;
@@ -319,6 +310,8 @@
reg = gpio_reg(&priv->chip, base, GEDR);
writel(~0, reg);
}
+
+ return 0;
}
static int __maybe_unused intel_gpio_runtime_idle(struct device *dev)
@@ -339,6 +332,7 @@
u32 gpio_base;
u32 irq_base;
int retval;
+ struct gpio_irq_chip *girq;
struct intel_mid_gpio_ddata *ddata =
(struct intel_mid_gpio_ddata *)id->driver_data;
@@ -379,30 +373,28 @@
spin_lock_init(&priv->lock);
+ girq = &priv->chip.irq;
+ girq->chip = &intel_mid_irqchip;
+ girq->init_hw = intel_mid_irq_init_hw;
+ girq->parent_handler = intel_mid_irq_handler;
+ girq->num_parents = 1;
+ girq->parents = devm_kcalloc(&pdev->dev, girq->num_parents,
+ sizeof(*girq->parents),
+ GFP_KERNEL);
+ if (!girq->parents)
+ return -ENOMEM;
+ girq->parents[0] = pdev->irq;
+ girq->first = irq_base;
+ girq->default_type = IRQ_TYPE_NONE;
+ girq->handler = handle_simple_irq;
+
pci_set_drvdata(pdev, priv);
+
retval = devm_gpiochip_add_data(&pdev->dev, &priv->chip, priv);
if (retval) {
dev_err(&pdev->dev, "gpiochip_add error %d\n", retval);
return retval;
}
-
- retval = gpiochip_irqchip_add(&priv->chip,
- &intel_mid_irqchip,
- irq_base,
- handle_simple_irq,
- IRQ_TYPE_NONE);
- if (retval) {
- dev_err(&pdev->dev,
- "could not connect irqchip to gpiochip\n");
- return retval;
- }
-
- intel_mid_irq_init_hw(priv);
-
- gpiochip_set_chained_irqchip(&priv->chip,
- &intel_mid_irqchip,
- pdev->irq,
- intel_mid_irq_handler);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_allow(&pdev->dev);
--
Gitblit v1.6.2