diff options
| -rw-r--r-- | drivers/gpio/gpio-mpc8xxx.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c index 3eb08cd1fdc0..6340e738c912 100644 --- a/drivers/gpio/gpio-mpc8xxx.c +++ b/drivers/gpio/gpio-mpc8xxx.c @@ -375,8 +375,12 @@ static int mpc8xxx_probe(struct platform_device *pdev) if (of_device_is_compatible(np, "fsl,qoriq-gpio") || of_device_is_compatible(np, "fsl,ls1028a-gpio") || of_device_is_compatible(np, "fsl,ls1088a-gpio") || - is_acpi_node(fwnode)) + is_acpi_node(fwnode)) { gc->write_reg(mpc8xxx_gc->regs + GPIO_IBE, 0xffffffff); + /* Also, latch state of GPIOs configured as output by bootloader. */ + gc->bgpio_data = gc->read_reg(mpc8xxx_gc->regs + GPIO_DAT) & + gc->read_reg(mpc8xxx_gc->regs + GPIO_DIR); + } ret = devm_gpiochip_add_data(&pdev->dev, gc, mpc8xxx_gc); if (ret) { |