[PATCH] drm: hdlcd: allow HDLCD to be used without interrupt

On Wed, Jul 26, 2017 at 11:05:39AM +0100, Russell King wrote:

Some ARM platforms do not wire the HDLCD interrupt.  Allow hdlcd to
initialise without an interrupt present.

Signed-off-by: Russell King <redacted>
---
 Documentation/devicetree/bindings/display/arm,hdlcd.txt |  6 +++---

Acked-by: Rob Herring <robh@kernel.org>

 drivers/gpu/drm/arm/hdlcd_drv.c                         | 13 ++++++++-----
 2 files changed, 11 insertions(+), 8 deletions(-)