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Message-ID: <20250203175939.3133477-5-bvanassche@acm.org>
Date: Mon, 3 Feb 2025 09:59:38 -0800
From: Bart Van Assche <bvanassche@....org>
To: Thomas Gleixner <tglx@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>,
linux-kernel@...r.kernel.org,
Bart Van Assche <bvanassche@....org>
Subject: [PATCH 4/5] irq: Remove the IRQ_GC_INIT_NESTED_LOCK flag
Remove the IRQ_GC_INIT_NESTED_LOCK flag since the previous patch removed
all code that tests this flag.
Signed-off-by: Bart Van Assche <bvanassche@....org>
---
drivers/gpio/gpio-mxc.c | 3 +--
drivers/gpio/gpio-mxs.c | 3 +--
drivers/irqchip/irq-imgpdc.c | 3 +--
drivers/irqchip/irq-renesas-irqc.c | 2 +-
include/linux/irq.h | 4 ----
5 files changed, 4 insertions(+), 11 deletions(-)
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index 619b6fb9d833..403e76d283a9 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -369,8 +369,7 @@ static int mxc_gpio_init_gc(struct mxc_gpio_port *port, int irq_base)
ct->regs.ack = GPIO_ISR;
ct->regs.mask = GPIO_IMR;
- rv = devm_irq_setup_generic_chip(port->dev, gc, IRQ_MSK(32),
- IRQ_GC_INIT_NESTED_LOCK,
+ rv = devm_irq_setup_generic_chip(port->dev, gc, IRQ_MSK(32), 0,
IRQ_NOREQUEST, 0);
return rv;
diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index 024ad077e98d..81f48727bff9 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -221,8 +221,7 @@ static int mxs_gpio_init_gc(struct mxs_gpio_port *port, int irq_base)
ct->regs.disable = PINCTRL_IRQEN(port) + MXS_CLR;
ct->handler = handle_level_irq;
- rv = devm_irq_setup_generic_chip(port->dev, gc, IRQ_MSK(32),
- IRQ_GC_INIT_NESTED_LOCK,
+ rv = devm_irq_setup_generic_chip(port->dev, gc, IRQ_MSK(32), 0,
IRQ_NOREQUEST, 0);
return rv;
diff --git a/drivers/irqchip/irq-imgpdc.c b/drivers/irqchip/irq-imgpdc.c
index 85f80bac0961..c6bb50af2bb3 100644
--- a/drivers/irqchip/irq-imgpdc.c
+++ b/drivers/irqchip/irq-imgpdc.c
@@ -385,8 +385,7 @@ static int pdc_intc_probe(struct platform_device *pdev)
* The second one for syswake irqs (edge and level chip types)
*/
ret = irq_alloc_domain_generic_chips(priv->domain, 8, 2, "pdc",
- handle_level_irq, 0, 0,
- IRQ_GC_INIT_NESTED_LOCK);
+ handle_level_irq, 0, 0, 0);
if (ret)
goto err_generic;
diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index cbce8ffc7de4..7ecd51e90daa 100644
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/drivers/irqchip/irq-renesas-irqc.c
@@ -178,7 +178,7 @@ static int irqc_probe(struct platform_device *pdev)
ret = irq_alloc_domain_generic_chips(p->irq_domain, p->number_of_irqs,
1, "irqc", handle_level_irq,
- 0, 0, IRQ_GC_INIT_NESTED_LOCK);
+ 0, 0, 0);
if (ret) {
dev_err(dev, "cannot allocate generic chip\n");
goto err_remove_domain;
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8daa17f0107a..c297fdeb61c6 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -1073,16 +1073,12 @@ struct irq_chip_generic {
/**
* enum irq_gc_flags - Initialization flags for generic irq chips
* @IRQ_GC_INIT_MASK_CACHE: Initialize the mask_cache by reading mask reg
- * @IRQ_GC_INIT_NESTED_LOCK: Set the lock class of the irqs to nested for
- * irq chips which need to call irq_set_wake() on
- * the parent irq. Usually GPIO implementations
* @IRQ_GC_MASK_CACHE_PER_TYPE: Mask cache is chip type private
* @IRQ_GC_NO_MASK: Do not calculate irq_data->mask
* @IRQ_GC_BE_IO: Use big-endian register accesses (default: LE)
*/
enum irq_gc_flags {
IRQ_GC_INIT_MASK_CACHE = 1 << 0,
- IRQ_GC_INIT_NESTED_LOCK = 1 << 1,
IRQ_GC_MASK_CACHE_PER_TYPE = 1 << 2,
IRQ_GC_NO_MASK = 1 << 3,
IRQ_GC_BE_IO = 1 << 4,
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