linux-kernel - [PATCH] gpu/drm/armada: fix unused parameter warning

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Date:   Mon, 12 Oct 2020 04:57:24 -0700
From:   Bernard Zhao <bernard@...o.com>
To:     Russell King <linux@...linux.org.uk>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Cc:     opensource.kernel@...o.com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] gpu/drm/armada: fix unused parameter warning

Functions armada_drm_crtc_atomic_flush &
armada_drm_crtc_atomic_enable don`t use the second parameter.
So we may get warning like :
warning: unused parameter ‘***’ [-Wunused-parameter].
This change is to fix the compile warning with -Wunused-parameter.

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/gpu/drm/armada/armada_crtc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/armada/armada_crtc.c b/drivers/gpu/drm/armada/armada_crtc.c
index 38dfaa46d306..fc8b922c3e44 100644
--- a/drivers/gpu/drm/armada/armada_crtc.c
+++ b/drivers/gpu/drm/armada/armada_crtc.c
@@ -427,7 +427,7 @@ static int armada_drm_crtc_atomic_check(struct drm_crtc *crtc,
 }
 
 static void armada_drm_crtc_atomic_begin(struct drm_crtc *crtc,
-					 struct drm_crtc_state *old_crtc_state)
+				struct drm_crtc_state __attribute__((unused)) *old_crtc_state)
 {
 	struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
 
@@ -441,7 +441,7 @@ static void armada_drm_crtc_atomic_begin(struct drm_crtc *crtc,
 }
 
 static void armada_drm_crtc_atomic_flush(struct drm_crtc *crtc,
-					 struct drm_crtc_state *old_crtc_state)
+				struct drm_crtc_state __attribute__((unused)) *old_crtc_state)
 {
 	struct armada_crtc *dcrtc = drm_to_armada_crtc(crtc);
 
-- 
2.28.0