[PATCH v6 06/10] gpio-exar/8250-exar: Rearrange gpiochip parenthood

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Set the parent of the exar gpiochip to its platform device, like other
gpiochips are doing it. In order to keep the relationship discoverable
for ACPI systems, set the platform device companion to the PCI device.

Signed-off-by: Jan Kiszka <jan.kiszka@xxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
Acked-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/gpio/gpio-exar.c            | 2 +-
 drivers/tty/serial/8250/8250_exar.c | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index f3585a184f39..1a629831d45b 100644
--- a/drivers/gpio/gpio-exar.c
+++ b/drivers/gpio/gpio-exar.c
@@ -142,7 +142,7 @@ static int gpio_exar_probe(struct platform_device *pdev)
 
 	sprintf(exar_gpio->name, "exar_gpio%d", index);
 	exar_gpio->gpio_chip.label = exar_gpio->name;
-	exar_gpio->gpio_chip.parent = &pcidev->dev;
+	exar_gpio->gpio_chip.parent = &pdev->dev;
 	exar_gpio->gpio_chip.direction_output = exar_direction_output;
 	exar_gpio->gpio_chip.direction_input = exar_direction_input;
 	exar_gpio->gpio_chip.get_direction = exar_get_direction;
diff --git a/drivers/tty/serial/8250/8250_exar.c b/drivers/tty/serial/8250/8250_exar.c
index 0f4b236d7e68..ee4b142f3ed0 100644
--- a/drivers/tty/serial/8250/8250_exar.c
+++ b/drivers/tty/serial/8250/8250_exar.c
@@ -9,6 +9,7 @@
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License.
  */
+#include <linux/acpi.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -204,6 +205,7 @@ xr17v35x_register_gpio(struct pci_dev *pcidev)
 		return NULL;
 
 	pdev->dev.parent = &pcidev->dev;
+	ACPI_COMPANION_SET(&pdev->dev, ACPI_COMPANION(&pcidev->dev));
 
 	if (platform_device_add(pdev) < 0) {
 		platform_device_put(pdev);
-- 
2.12.3

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