@@ -9,6 +9,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/acpi.h>
#include <linux/bitops.h>
#include <linux/gpio/driver.h>
#include <linux/init.h>
@@ -380,9 +381,16 @@ static void mrfld_irq_init_hw(struct mrfld_gpio *priv)
}
}
+static const char *mrfld_gpio_get_pinctrl_dev_name(const char *fallback)
+{
+ const char *dev_name = acpi_dev_get_dev_name("INTC1002", NULL, -1);
+ return dev_name ? dev_name : fallback;
+}
+
static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id)
{
const struct mrfld_gpio_pinrange *range;
+ const char *pinctrl_dev_name;
struct mrfld_gpio *priv;
u32 gpio_base, irq_base;
void __iomem *base;
@@ -439,10 +447,11 @@ static int mrfld_gpio_probe(struct pci_dev *pdev, const struct pci_device_id *id
return retval;
}
+ pinctrl_dev_name = mrfld_gpio_get_pinctrl_dev_name("pinctrl-merrifield");
for (i = 0; i < ARRAY_SIZE(mrfld_gpio_ranges); i++) {
range = &mrfld_gpio_ranges[i];
retval = gpiochip_add_pin_range(&priv->chip,
- "pinctrl-merrifield",
+ pinctrl_dev_name,
range->gpio_base,
range->pin_base,
range->npins);
The driver needs the pin control device name for ACPI. We are looking through ACPI namespace and return first found device based on ACPI HID for Intel Merrifield FLIS. Cc: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- drivers/gpio/gpio-merrifield.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-)