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path: root/drivers/irqchip/irq-tegra.c
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Diffstat (limited to 'drivers/irqchip/irq-tegra.c')
-rw-r--r--drivers/irqchip/irq-tegra.c54
1 files changed, 24 insertions, 30 deletions
diff --git a/drivers/irqchip/irq-tegra.c b/drivers/irqchip/irq-tegra.c
index 3973a14bb15b..b6382cf6359a 100644
--- a/drivers/irqchip/irq-tegra.c
+++ b/drivers/irqchip/irq-tegra.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Driver code for Tegra's Legacy Interrupt Controller
*
@@ -10,16 +11,6 @@
* Colin Cross <ccross@android.com>
*
* Copyright (C) 2010,2013, NVIDIA Corporation
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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.
- *
*/
#include <linux/io.h>
@@ -141,7 +132,7 @@ static int tegra_set_wake(struct irq_data *d, unsigned int enable)
return 0;
}
-static int tegra_ictlr_suspend(void)
+static int tegra_ictlr_suspend(void *data)
{
unsigned long flags;
unsigned int i;
@@ -157,10 +148,10 @@ static int tegra_ictlr_suspend(void)
lic->cop_iep[i] = readl_relaxed(ictlr + ICTLR_COP_IEP_CLASS);
/* Disable COP interrupts */
- writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_COP_IER_CLR);
/* Disable CPU interrupts */
- writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_CPU_IER_CLR);
/* Enable the wakeup sources of ictlr */
writel_relaxed(lic->ictlr_wake_mask[i], ictlr + ICTLR_CPU_IER_SET);
@@ -170,7 +161,7 @@ static int tegra_ictlr_suspend(void)
return 0;
}
-static void tegra_ictlr_resume(void)
+static void tegra_ictlr_resume(void *data)
{
unsigned long flags;
unsigned int i;
@@ -181,26 +172,30 @@ static void tegra_ictlr_resume(void)
writel_relaxed(lic->cpu_iep[i],
ictlr + ICTLR_CPU_IEP_CLASS);
- writel_relaxed(~0ul, ictlr + ICTLR_CPU_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_CPU_IER_CLR);
writel_relaxed(lic->cpu_ier[i],
ictlr + ICTLR_CPU_IER_SET);
writel_relaxed(lic->cop_iep[i],
ictlr + ICTLR_COP_IEP_CLASS);
- writel_relaxed(~0ul, ictlr + ICTLR_COP_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), ictlr + ICTLR_COP_IER_CLR);
writel_relaxed(lic->cop_ier[i],
ictlr + ICTLR_COP_IER_SET);
}
local_irq_restore(flags);
}
-static struct syscore_ops tegra_ictlr_syscore_ops = {
+static const struct syscore_ops tegra_ictlr_syscore_ops = {
.suspend = tegra_ictlr_suspend,
.resume = tegra_ictlr_resume,
};
+static struct syscore tegra_ictlr_syscore = {
+ .ops = &tegra_ictlr_syscore_ops,
+};
+
static void tegra_ictlr_syscore_init(void)
{
- register_syscore_ops(&tegra_ictlr_syscore_ops);
+ register_syscore(&tegra_ictlr_syscore);
}
#else
#define tegra_set_wake NULL
@@ -291,13 +286,13 @@ static int __init tegra_ictlr_init(struct device_node *node,
int err;
if (!parent) {
- pr_err("%s: no parent, giving up\n", node->full_name);
+ pr_err("%pOF: no parent, giving up\n", node);
return -ENODEV;
}
parent_domain = irq_find_host(parent);
if (!parent_domain) {
- pr_err("%s: unable to obtain parent domain\n", node->full_name);
+ pr_err("%pOF: unable to obtain parent domain\n", node);
return -ENXIO;
}
@@ -321,7 +316,7 @@ static int __init tegra_ictlr_init(struct device_node *node,
lic->base[i] = base;
/* Disable all interrupts */
- writel_relaxed(~0UL, base + ICTLR_CPU_IER_CLR);
+ writel_relaxed(GENMASK(31, 0), base + ICTLR_CPU_IER_CLR);
/* All interrupts target IRQ */
writel_relaxed(0, base + ICTLR_CPU_IEP_CLASS);
@@ -329,29 +324,28 @@ static int __init tegra_ictlr_init(struct device_node *node,
}
if (!num_ictlrs) {
- pr_err("%s: no valid regions, giving up\n", node->full_name);
+ pr_err("%pOF: no valid regions, giving up\n", node);
err = -ENOMEM;
goto out_free;
}
WARN(num_ictlrs != soc->num_ictlrs,
- "%s: Found %u interrupt controllers in DT; expected %u.\n",
- node->full_name, num_ictlrs, soc->num_ictlrs);
+ "%pOF: Found %u interrupt controllers in DT; expected %u.\n",
+ node, num_ictlrs, soc->num_ictlrs);
- domain = irq_domain_add_hierarchy(parent_domain, 0, num_ictlrs * 32,
- node, &tegra_ictlr_domain_ops,
- lic);
+ domain = irq_domain_create_hierarchy(parent_domain, 0, num_ictlrs * 32,
+ of_fwnode_handle(node), &tegra_ictlr_domain_ops, lic);
if (!domain) {
- pr_err("%s: failed to allocated domain\n", node->full_name);
+ pr_err("%pOF: failed to allocated domain\n", node);
err = -ENOMEM;
goto out_unmap;
}
tegra_ictlr_syscore_init();
- pr_info("%s: %d interrupts forwarded to %s\n",
- node->full_name, num_ictlrs * 32, parent->full_name);
+ pr_info("%pOF: %d interrupts forwarded to %pOF\n",
+ node, num_ictlrs * 32, parent);
return 0;