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path: root/kernel/drivers/gpio/gpio-em.c
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Diffstat (limited to 'kernel/drivers/gpio/gpio-em.c')
-rw-r--r--kernel/drivers/gpio/gpio-em.c37
1 files changed, 9 insertions, 28 deletions
diff --git a/kernel/drivers/gpio/gpio-em.c b/kernel/drivers/gpio/gpio-em.c
index 3cfcfc620..6bca1e125 100644
--- a/kernel/drivers/gpio/gpio-em.c
+++ b/kernel/drivers/gpio/gpio-em.c
@@ -31,7 +31,6 @@
#include <linux/slab.h>
#include <linux/module.h>
#include <linux/pinctrl/consumer.h>
-#include <linux/platform_data/gpio-em.h>
struct em_gio_priv {
void __iomem *base0;
@@ -262,24 +261,22 @@ static int em_gio_irq_domain_map(struct irq_domain *h, unsigned int irq,
irq_set_chip_data(irq, h->host_data);
irq_set_chip_and_handler(irq, &p->irq_chip, handle_level_irq);
- set_irq_flags(irq, IRQF_VALID); /* kill me now */
return 0;
}
-static struct irq_domain_ops em_gio_irq_domain_ops = {
+static const struct irq_domain_ops em_gio_irq_domain_ops = {
.map = em_gio_irq_domain_map,
.xlate = irq_domain_xlate_twocell,
};
static int em_gio_probe(struct platform_device *pdev)
{
- struct gpio_em_config pdata_dt;
- struct gpio_em_config *pdata = dev_get_platdata(&pdev->dev);
struct em_gio_priv *p;
struct resource *io[2], *irq[2];
struct gpio_chip *gpio_chip;
struct irq_chip *irq_chip;
const char *name = dev_name(&pdev->dev);
+ unsigned int ngpios;
int ret;
p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);
@@ -319,18 +316,10 @@ static int em_gio_probe(struct platform_device *pdev)
goto err0;
}
- if (!pdata) {
- memset(&pdata_dt, 0, sizeof(pdata_dt));
- pdata = &pdata_dt;
-
- if (of_property_read_u32(pdev->dev.of_node, "ngpios",
- &pdata->number_of_pins)) {
- dev_err(&pdev->dev, "Missing ngpios OF property\n");
- ret = -EINVAL;
- goto err0;
- }
-
- pdata->gpio_base = -1;
+ if (of_property_read_u32(pdev->dev.of_node, "ngpios", &ngpios)) {
+ dev_err(&pdev->dev, "Missing ngpios OF property\n");
+ ret = -EINVAL;
+ goto err0;
}
gpio_chip = &p->gpio_chip;
@@ -345,8 +334,8 @@ static int em_gio_probe(struct platform_device *pdev)
gpio_chip->label = name;
gpio_chip->dev = &pdev->dev;
gpio_chip->owner = THIS_MODULE;
- gpio_chip->base = pdata->gpio_base;
- gpio_chip->ngpio = pdata->number_of_pins;
+ gpio_chip->base = -1;
+ gpio_chip->ngpio = ngpios;
irq_chip = &p->irq_chip;
irq_chip->name = name;
@@ -357,9 +346,7 @@ static int em_gio_probe(struct platform_device *pdev)
irq_chip->irq_release_resources = em_gio_irq_relres;
irq_chip->flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND;
- p->irq_domain = irq_domain_add_simple(pdev->dev.of_node,
- pdata->number_of_pins,
- pdata->irq_base,
+ p->irq_domain = irq_domain_add_simple(pdev->dev.of_node, ngpios, 0,
&em_gio_irq_domain_ops, p);
if (!p->irq_domain) {
ret = -ENXIO;
@@ -387,12 +374,6 @@ static int em_gio_probe(struct platform_device *pdev)
goto err1;
}
- if (pdata->pctl_name) {
- ret = gpiochip_add_pin_range(gpio_chip, pdata->pctl_name, 0,
- gpio_chip->base, gpio_chip->ngpio);
- if (ret < 0)
- dev_warn(&pdev->dev, "failed to add pin range\n");
- }
return 0;
err1: