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[v4,06/16] drm/panel: s6e8aa0: Use standard MIPI DSI function

Message ID 1415006021-29313-6-git-send-email-thierry.reding@gmail.com (mailing list archive)
State Accepted
Headers show

Commit Message

Thierry Reding Nov. 3, 2014, 9:13 a.m. UTC 
From: Thierry Reding <treding@nvidia.com>

Use the newly introduced mipi_dsi_set_maximum_return_packet_size()
function to replace an open-coded version.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 drivers/gpu/drm/panel/panel-s6e8aa0.c | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)
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Patch

diff --git a/drivers/gpu/drm/panel/panel-s6e8aa0.c b/drivers/gpu/drm/panel/panel-s6e8aa0.c
index 0f85a7c37687..c31e2953f290 100644
--- a/drivers/gpu/drm/panel/panel-s6e8aa0.c
+++ b/drivers/gpu/drm/panel/panel-s6e8aa0.c
@@ -800,27 +800,15 @@  static void s6e8aa0_panel_init(struct s6e8aa0 *ctx)
 }
 
 static void s6e8aa0_set_maximum_return_packet_size(struct s6e8aa0 *ctx,
-						   int size)
+						   u16 size)
 {
 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
-	const struct mipi_dsi_host_ops *ops = dsi->host->ops;
-	u8 buf[] = {size, 0};
-	struct mipi_dsi_msg msg = {
-		.channel = dsi->channel,
-		.type = MIPI_DSI_SET_MAXIMUM_RETURN_PACKET_SIZE,
-		.tx_len = sizeof(buf),
-		.tx_buf = buf
-	};
 	int ret;
 
 	if (ctx->error < 0)
 		return;
 
-	if (!ops || !ops->transfer)
-		ret = -EIO;
-	else
-		ret = ops->transfer(dsi->host, &msg);
-
+	ret = mipi_dsi_set_maximum_return_packet_size(dsi, size);
 	if (ret < 0) {
 		dev_err(ctx->dev,
 			"error %d setting maximum return packet size to %d\n",