From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/drivers/irqchip/irq-renesas-intc-irqpin.c | 33 +++++++++------------------------
1 files changed, 9 insertions(+), 24 deletions(-)
diff --git a/kernel/drivers/irqchip/irq-renesas-intc-irqpin.c b/kernel/drivers/irqchip/irq-renesas-intc-irqpin.c
index c6e6c9e..cb7f60b 100644
--- a/kernel/drivers/irqchip/irq-renesas-intc-irqpin.c
+++ b/kernel/drivers/irqchip/irq-renesas-intc-irqpin.c
@@ -1,20 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Renesas INTC External IRQ Pin Driver
*
* Copyright (C) 2013 Magnus Damm
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/init.h>
@@ -83,8 +71,7 @@
};
struct intc_irqpin_config {
- unsigned int irlm_bit;
- unsigned needs_irlm:1;
+ int irlm_bit; /* -1 if non-existent */
};
static unsigned long intc_irqpin_read32(void __iomem *iomem)
@@ -361,11 +348,10 @@
static const struct intc_irqpin_config intc_irqpin_irlm_r8a777x = {
.irlm_bit = 23, /* ICR0.IRLM0 */
- .needs_irlm = 1,
};
static const struct intc_irqpin_config intc_irqpin_rmobile = {
- .needs_irlm = 0,
+ .irlm_bit = -1,
};
static const struct of_device_id intc_irqpin_dt_ids[] = {
@@ -401,10 +387,8 @@
int k;
p = devm_kzalloc(dev, sizeof(*p), GFP_KERNEL);
- if (!p) {
- dev_err(dev, "failed to allocate driver data\n");
+ if (!p)
return -ENOMEM;
- }
/* deal with driver instance configuration */
of_property_read_u32(dev->of_node, "sense-bitfield-width",
@@ -474,8 +458,8 @@
goto err0;
}
- i->iomem = devm_ioremap_nocache(dev, io[k]->start,
- resource_size(io[k]));
+ i->iomem = devm_ioremap(dev, io[k]->start,
+ resource_size(io[k]));
if (!i->iomem) {
dev_err(dev, "failed to remap IOMEM\n");
ret = -ENXIO;
@@ -484,7 +468,7 @@
}
/* configure "individual IRQ mode" where needed */
- if (config && config->needs_irlm) {
+ if (config && config->irlm_bit >= 0) {
if (io[INTC_IRQPIN_REG_IRLM])
intc_irqpin_read_modify_write(p, INTC_IRQPIN_REG_IRLM,
config->irlm_bit, 1, 1);
@@ -522,7 +506,8 @@
}
irq_chip = &p->irq_chip;
- irq_chip->name = name;
+ irq_chip->name = "intc-irqpin";
+ irq_chip->parent_device = dev;
irq_chip->irq_mask = disable_fn;
irq_chip->irq_unmask = enable_fn;
irq_chip->irq_set_type = intc_irqpin_irq_set_type;
--
Gitblit v1.6.2