Commit ee0c365c authored by Sebastian Reichel's avatar Sebastian Reichel Committed by Tomi Valkeinen
Browse files

drm/omap: constify write buffers 



The write buffers are not modified, so they can be constant.

Signed-off-by: default avatarSebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: default avatarTomi Valkeinen <tomi.valkeinen@ti.com>
Reviewed-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201215104657.802264-5-tomi.valkeinen@ti.com
parent d0103ceb

drivers/gpu/drm/omapdrm/dss/dsi.c

+12 −12
Original line number Diff line number Diff line
@@ -2603,11 +2603,11 @@ static inline void dsi_vc_write_long_payload(struct dsi_data *dsi, int channel, 
}



static int dsi_vc_send_long(struct dsi_data *dsi, int channel, u8 data_type,

			    u8 *data, u16 len, u8 ecc)

			    const u8 *data, u16 len, u8 ecc)

{

	/*u32 val; */

	int i;

	u8 *p;

	const u8 *p;

	int r = 0;

	u8 b1, b2, b3, b4;
@@ -2700,7 +2700,7 @@ static int dsi_vc_send_null(struct dsi_data *dsi, int channel) 
}



static int dsi_vc_write_nosync_common(struct dsi_data *dsi, int channel,

				      u8 *data, int len,

				      const u8 *data, int len,

				      enum dss_dsi_content_type type)

{

	int r;
@@ -2731,7 +2731,7 @@ static int dsi_vc_write_nosync_common(struct dsi_data *dsi, int channel, 
}



static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel,

		u8 *data, int len)

		const u8 *data, int len)

{

	struct dsi_data *dsi = to_dsi_data(dssdev);
@@ -2740,7 +2740,7 @@ static int dsi_vc_dcs_write_nosync(struct omap_dss_device *dssdev, int channel, 
}



static int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int channel,

		u8 *data, int len)

		const u8 *data, int len)

{

	struct dsi_data *dsi = to_dsi_data(dssdev);
@@ -2749,7 +2749,7 @@ static int dsi_vc_generic_write_nosync(struct omap_dss_device *dssdev, int chann 
}



static int dsi_vc_write_common(struct omap_dss_device *dssdev,

			       int channel, u8 *data, int len,

			       int channel, const u8 *data, int len,

			       enum dss_dsi_content_type type)

{

	struct dsi_data *dsi = to_dsi_data(dssdev);
@@ -2778,15 +2778,15 @@ static int dsi_vc_write_common(struct omap_dss_device *dssdev, 
	return r;

}



static int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel, u8 *data,

		int len)

static int dsi_vc_dcs_write(struct omap_dss_device *dssdev, int channel,

		const u8 *data, int len)

{

	return dsi_vc_write_common(dssdev, channel, data, len,

			DSS_DSI_CONTENT_DCS);

}



static int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel, u8 *data,

		int len)

static int dsi_vc_generic_write(struct omap_dss_device *dssdev, int channel,

		const u8 *data, int len)

{

	return dsi_vc_write_common(dssdev, channel, data, len,

			DSS_DSI_CONTENT_GENERIC);
@@ -2812,7 +2812,7 @@ static int dsi_vc_dcs_send_read_request(struct dsi_data *dsi, int channel, 
}



static int dsi_vc_generic_send_read_request(struct dsi_data *dsi, int channel,

					    u8 *reqdata, int reqlen)

					    const u8 *reqdata, int reqlen)

{

	u16 data;

	u8 data_type;
@@ -2985,7 +2985,7 @@ static int dsi_vc_dcs_read(struct omap_dss_device *dssdev, int channel, u8 dcs_c 
}



static int dsi_vc_generic_read(struct omap_dss_device *dssdev, int channel,

		u8 *reqdata, int reqlen, u8 *buf, int buflen)

		const u8 *reqdata, int reqlen, u8 *buf, int buflen)

{

	struct dsi_data *dsi = to_dsi_data(dssdev);

	int r;

drivers/gpu/drm/omapdrm/dss/omapdss.h

+5 −5
Original line number Diff line number Diff line
@@ -312,18 +312,18 @@ struct omapdss_dsi_ops { 


	/* data transfer */

	int (*dcs_write)(struct omap_dss_device *dssdev, int channel,

			u8 *data, int len);

			const u8 *data, int len);

	int (*dcs_write_nosync)(struct omap_dss_device *dssdev, int channel,

			u8 *data, int len);

			const u8 *data, int len);

	int (*dcs_read)(struct omap_dss_device *dssdev, int channel, u8 dcs_cmd,

			u8 *data, int len);



	int (*gen_write)(struct omap_dss_device *dssdev, int channel,

			u8 *data, int len);

			const u8 *data, int len);

	int (*gen_write_nosync)(struct omap_dss_device *dssdev, int channel,

			u8 *data, int len);

			const u8 *data, int len);

	int (*gen_read)(struct omap_dss_device *dssdev, int channel,

			u8 *reqdata, int reqlen,

			const u8 *reqdata, int reqlen,

			u8 *data, int len);



	int (*bta_sync)(struct omap_dss_device *dssdev, int channel);