With linux/acpi.h no longer implicitly including of.h, add an explicit include of of.h to fix the following error: drivers/tty/serial/8250/8250_tegra.c:68:15: error: implicit declaration of function 'of_alias_get_id' [-Werror=implicit-function-declaration] Reviewed-by: Jon Hunter <jonathanh@xxxxxxxxxx> Reviewed-by: Jacob Keller <jacob.e.keller@xxxxxxxxx> Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> Signed-off-by: Rob Herring <robh@xxxxxxxxxx> --- drivers/tty/serial/8250/8250_tegra.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/tty/serial/8250/8250_tegra.c b/drivers/tty/serial/8250/8250_tegra.c index e7cddeec9d8e..2509e7f74ccf 100644 --- a/drivers/tty/serial/8250/8250_tegra.c +++ b/drivers/tty/serial/8250/8250_tegra.c @@ -11,6 +11,7 @@ #include <linux/delay.h> #include <linux/io.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/reset.h> #include <linux/slab.h> -- 2.39.2