drm/lima: Add support for multiple reset lines

Some SoCs like HiKey have 2 reset lines, so update
to use the devm_reset_control_array_* variant of the
API so that multiple resets can be specified in DT.

Cc: Qiang Yu <yuq825@gmail.com>
Cc: David Airlie <airlied@linux.ie>
Cc: Daniel Vetter <daniel@ffwll.ch>
Cc: dri-devel@lists.freedesktop.org
Cc: lima@lists.freedesktop.org
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191001182927.70448-1-john.stultz@linaro.org

diff --git a/drivers/gpu/drm/lima/lima_device.c b/drivers/gpu/drm/lima/lima_device.c
index d86b8d8..e3e0ca1 100644 (file)
--- a/drivers/gpu/drm/lima/lima_device.c
+++ b/drivers/gpu/drm/lima/lima_device.c
@@ -105,7 +105,8 @@ static int lima_clk_init(struct lima_device *dev)
        if (err)
                goto error_out0;
 
-       dev->reset = devm_reset_control_get_optional(dev->dev, NULL);
+       dev->reset = devm_reset_control_array_get_optional_shared(dev->dev);
+
        if (IS_ERR(dev->reset)) {
                err = PTR_ERR(dev->reset);
                if (err != -EPROBE_DEFER)