[PATCH] drm/sun4i: add missing put_device() call in sun8i_r40_tcon_tv_set_mux()

[Maxime Ripard]

Hi,

On Tue, Aug 25, 2020 at 07:44:03PM +0800, Yu Kuai wrote:
> If sun8i_r40_tcon_tv_set_mux() succeed, at_dma_xlate() doesn't have a
> corresponding put_device(). Thus add put_device() to fix the exception
> handling for this function implementation.
> 
> Fixes: 0305189afb32 ("drm/sun4i: tcon: Add support for R40 TCON")
> Signed-off-by: Yu Kuai <yukuai3 at huawei.com>

That doesn't sound right, we're not using at_dma_xlate at all in that
driver?

Maxime