On Wed, 2010-11-17 at 10:23 +0800, ext Bryan Wu wrote:
> Generic DPI panel driver includes the driver and 4 similar panel 
> configurations. It
> will match the panel name which is passed from platform data and setup the
> right configurations.
> 
> With generic DPI panel driver, we can remove those 4 duplicated panel display
> drivers. In the future, it is simple for us just add new panel configuration
> date in panel-generic-dpi.c to support new display panel.
> 
> Signed-off-by: Bryan Wu <[email protected]>
> ---
>  .../arm/plat-omap/include/plat/panel-generic-dpi.h |   37 ++
>  drivers/video/omap2/displays/Kconfig               |    8 +
>  drivers/video/omap2/displays/Makefile              |    1 +
>  drivers/video/omap2/displays/panel-generic-dpi.c   |  348 
> ++++++++++++++++++++
>  4 files changed, 394 insertions(+), 0 deletions(-)
>  create mode 100644 arch/arm/plat-omap/include/plat/panel-generic-dpi.h
>  create mode 100644 drivers/video/omap2/displays/panel-generic-dpi.c
> 

<snip>

> +static int generic_dpi_panel_probe(struct omap_dss_device *dssdev)
> +{
> +     struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
> +     struct panel_config *panel_config = NULL;
> +     struct panel_drv_data *drv_data = NULL;
> +     int i;
> +
> +     dev_dbg(&dssdev->dev, "probe\n");
> +
> +     if (!panel_data || !panel_data->name)
> +             return -EINVAL;
> +
> +     for (i = 0; i < ARRAY_SIZE(generic_dpi_panels); i++) {
> +             if (strcmp(panel_data->name, generic_dpi_panels[i].name) == 0) {
> +                     panel_config = &generic_dpi_panels[i];
> +                     break;
> +             }
> +     }
> +
> +     if (!panel_config)
> +             return -EINVAL;
> +
> +     dssdev->panel.config = panel_config->config;
> +     dssdev->panel.timings = panel_config->timings;
> +     dssdev->panel.acb = panel_config->acb;
> +     dssdev->panel.acbi = panel_config->acbi;
> +
> +     drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
> +     if (!drv_data)
> +             return -ENOMEM;
> +
> +     drv_data->dssdev = dssdev;
> +     drv_data->panel_config = panel_config;
> +
> +     dev_set_drvdata(&dssdev->dev, drv_data);
> +
> +     return 0;
> +}
> +
> +static void generic_dpi_panel_remove(struct omap_dss_device *dssdev)
> +{
> +}

You need to free the drv_data here.

Perhaps this will be the last fix =).

 Tomi


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