[PATCH] drm/crc-debugfs: fix crtc_crc_poll()'s return type

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crtc_crc_poll() is defined as returning 'unsigned int' but the
.poll method is declared as returning '__poll_t', a bitwise type.

Fix this by using the proper return type and using the EPOLL
constants instead of the POLL ones, as required for __poll_t.

CC: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
CC: Maxime Ripard <mripard@xxxxxxxxxx>
CC: Sean Paul <sean@xxxxxxxxxx>
CC: David Airlie <airlied@xxxxxxxx>
CC: Daniel Vetter <daniel@xxxxxxxx>
CC: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Signed-off-by: Luc Van Oostenryck <luc.vanoostenryck@xxxxxxxxx>
---
 drivers/gpu/drm/drm_debugfs_crc.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/drm_debugfs_crc.c b/drivers/gpu/drm/drm_debugfs_crc.c
index be1b7ba92ffe..0bb0aa0ebbca 100644
--- a/drivers/gpu/drm/drm_debugfs_crc.c
+++ b/drivers/gpu/drm/drm_debugfs_crc.c
@@ -334,17 +334,17 @@ static ssize_t crtc_crc_read(struct file *filep, char __user *user_buf,
 	return LINE_LEN(crc->values_cnt);
 }
 
-static unsigned int crtc_crc_poll(struct file *file, poll_table *wait)
+static __poll_t crtc_crc_poll(struct file *file, poll_table *wait)
 {
 	struct drm_crtc *crtc = file->f_inode->i_private;
 	struct drm_crtc_crc *crc = &crtc->crc;
-	unsigned ret;
+	__poll_t ret;
 
 	poll_wait(file, &crc->wq, wait);
 
 	spin_lock_irq(&crc->lock);
 	if (crc->source && crtc_crc_data_count(crc))
-		ret = POLLIN | POLLRDNORM;
+		ret = EPOLLIN | EPOLLRDNORM;
 	else
 		ret = 0;
 	spin_unlock_irq(&crc->lock);
-- 
2.24.0

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