Commit 509e42ce authored by Archit Taneja's avatar Archit Taneja Committed by Thierry Reding
Browse files

drm/dsi: Add routine to unregister a DSI device 



A driver calling mipi_dsi_device_register_full() might want to remove
the device once it's done. It might also require it in an error handling
path in case something went wrong.

Create mipi_dsi_device_unregister() for this purpose and use it within
mipi_dsi_remove_device_fn() as it does the same thing.

Reviewed-by: default avatarAndrzej Hajda <a.hajda@samsung.com>
Signed-off-by: default avatarArchit Taneja <architt@codeaurora.org>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent bf4363ce

drivers/gpu/drm/drm_mipi_dsi.c

+11 −1
Original line number Diff line number Diff line
@@ -225,6 +225,16 @@ mipi_dsi_device_register_full(struct mipi_dsi_host *host, 
}

EXPORT_SYMBOL(mipi_dsi_device_register_full);



/**

 * mipi_dsi_device_unregister - unregister MIPI DSI device

 * @dsi: DSI peripheral device

 */

void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi)

{

	device_unregister(&dsi->dev);

}

EXPORT_SYMBOL(mipi_dsi_device_unregister);



int mipi_dsi_host_register(struct mipi_dsi_host *host)

{

	struct device_node *node;
@@ -244,7 +254,7 @@ static int mipi_dsi_remove_device_fn(struct device *dev, void *priv) 
{

	struct mipi_dsi_device *dsi = to_mipi_dsi_device(dev);



	device_unregister(&dsi->dev);

	mipi_dsi_device_unregister(dsi);



	return 0;

}

include/drm/drm_mipi_dsi.h

+1 −0
Original line number Diff line number Diff line
@@ -210,6 +210,7 @@ static inline int mipi_dsi_pixel_format_to_bpp(enum mipi_dsi_pixel_format fmt) 
struct mipi_dsi_device *

mipi_dsi_device_register_full(struct mipi_dsi_host *host,

			      const struct mipi_dsi_device_info *info);

void mipi_dsi_device_unregister(struct mipi_dsi_device *dsi);

struct mipi_dsi_device *of_find_mipi_dsi_device_by_node(struct device_node *np);

int mipi_dsi_attach(struct mipi_dsi_device *dsi);

int mipi_dsi_detach(struct mipi_dsi_device *dsi);

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