korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-24 04:34:08 +08:00
Code Issues Packages Projects Releases Wiki Activity

irqchip/ts4800: Switch to dynamic chip name output

Browse Source 
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220209162607.1118325-7-maz@kernel.org
This commit is contained in:
Marc Zyngier 2022-02-09 16:26:03 +00:00
parent 421f16238a
commit 3344265a26
1 changed files with 17 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

25
drivers/irqchip/irq-ts4800.c
View File

@ -19,14 +19,15 @@
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/platform_device.h>
#include <linux/seq_file.h>
#define IRQ_MASK 0x4
#define IRQ_STATUS 0x8
struct ts4800_irq_data {
void __iomem *base;
struct platform_device *pdev;
struct irq_domain *domain;
struct irq_chip irq_chip;
};
static void ts4800_irq_mask(struct irq_data *d)
@ -47,12 +48,25 @@ static void ts4800_irq_unmask(struct irq_data *d)
writew(reg & ~mask, data->base + IRQ_MASK);
}
static void ts4800_irq_print_chip(struct irq_data *d, struct seq_file *p)
{
struct ts4800_irq_data *data = irq_data_get_irq_chip_data(d);
seq_printf(p, "%s", dev_name(&data->pdev->dev));
}
static const struct irq_chip ts4800_chip = {
.irq_mask = ts4800_irq_mask,
.irq_unmask = ts4800_irq_unmask,
.irq_print_chip = ts4800_irq_print_chip,
};
static int ts4800_irqdomain_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hwirq)
{
struct ts4800_irq_data *data = d->host_data;
irq_set_chip_and_handler(irq, &data->irq_chip, handle_simple_irq);
irq_set_chip_and_handler(irq, &ts4800_chip, handle_simple_irq);
irq_set_chip_data(irq, data);
irq_set_noprobe(irq);
@ -92,13 +106,13 @@ static int ts4800_ic_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
struct ts4800_irq_data *data;
struct irq_chip *irq_chip;
int parent_irq;
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
if (!data)
return -ENOMEM;
data->pdev = pdev;
data->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(data->base))
return PTR_ERR(data->base);
@ -111,11 +125,6 @@ static int ts4800_ic_probe(struct platform_device *pdev)
return -EINVAL;
}
irq_chip = &data->irq_chip;
irq_chip->name = dev_name(&pdev->dev);
irq_chip->irq_mask = ts4800_irq_mask;
irq_chip->irq_unmask = ts4800_irq_unmask;
data->domain = irq_domain_add_linear(node, 8, &ts4800_ic_ops, data);
if (!data->domain) {
dev_err(&pdev->dev, "cannot add IRQ domain\n");