From: Jan Kiszka <jan.kiszka@siemens.com>
Date: Sun, 21 May 2017 09:49:24 +0000 (+0200)
Subject: gpio-exar/8250-exar: Rearrange gpiochip parenthood
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=4076cf08ac7673aca7d4dd9ddf18045d08dbc292;p=linux.git

gpio-exar/8250-exar: Rearrange gpiochip parenthood

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@siemens.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
---

diff --git a/drivers/gpio/gpio-exar.c b/drivers/gpio/gpio-exar.c
index f3585a184f392..1a629831d45bd 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 36877c8ad6522..32e3cb58193f5 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>
@@ -197,6 +198,7 @@ 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);