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Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-amdpt.c4
-rw-r--r--drivers/gpio/gpio-mlxbf2.c5
-rw-r--r--drivers/gpio/gpio-xgs-iproc.c2
3 files changed, 7 insertions, 4 deletions
diff --git a/drivers/gpio/gpio-amdpt.c b/drivers/gpio/gpio-amdpt.c
index 44398992ae15..bbf53e289141 100644
--- a/drivers/gpio/gpio-amdpt.c
+++ b/drivers/gpio/gpio-amdpt.c
@@ -72,12 +72,10 @@ static void pt_gpio_free(struct gpio_chip *gc, unsigned offset)
static int pt_gpio_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct acpi_device *acpi_dev;
- acpi_handle handle = ACPI_HANDLE(dev);
struct pt_gpio_chip *pt_gpio;
int ret = 0;
- if (acpi_bus_get_device(handle, &acpi_dev)) {
+ if (!ACPI_COMPANION(dev)) {
dev_err(dev, "PT GPIO device node not found\n");
return -ENODEV;
}
diff --git a/drivers/gpio/gpio-mlxbf2.c b/drivers/gpio/gpio-mlxbf2.c
index 177d03ef4529..40a052bc6784 100644
--- a/drivers/gpio/gpio-mlxbf2.c
+++ b/drivers/gpio/gpio-mlxbf2.c
@@ -256,6 +256,11 @@ mlxbf2_gpio_probe(struct platform_device *pdev)
NULL,
0);
+ if (ret) {
+ dev_err(dev, "bgpio_init failed\n");
+ return ret;
+ }
+
gc->direction_input = mlxbf2_gpio_direction_input;
gc->direction_output = mlxbf2_gpio_direction_output;
gc->ngpio = npins;
diff --git a/drivers/gpio/gpio-xgs-iproc.c b/drivers/gpio/gpio-xgs-iproc.c
index fa9b4d8c3ff5..43ca52fa6f9a 100644
--- a/drivers/gpio/gpio-xgs-iproc.c
+++ b/drivers/gpio/gpio-xgs-iproc.c
@@ -224,7 +224,7 @@ static int iproc_gpio_probe(struct platform_device *pdev)
}
chip->gc.label = dev_name(dev);
- if (of_property_read_u32(dn, "ngpios", &num_gpios))
+ if (!of_property_read_u32(dn, "ngpios", &num_gpios))
chip->gc.ngpio = num_gpios;
irq = platform_get_irq(pdev, 0);