On 2013-02-14 08:51, Archit Taneja wrote: > On Wednesday 13 February 2013 10:59 PM, Aaro Koskinen wrote: >> Hi, >> >> On Wed, Feb 13, 2013 at 07:52:08PM +0530, Archit Taneja wrote: >>> +static struct panel_acx565akm_data *get_panel_data(struct >>> omap_dss_device *dssdev) >>> +{ >>> + return (struct panel_acx565akm_data *) dssdev->data; >>> +} >>> + >>> static int acx_panel_probe(struct omap_dss_device *dssdev) >>> { >>> int r; >>> struct acx565akm_device *md = &acx_dev; >>> + struct panel_acx565akm_data *panel_data = get_panel_data(dssdev); >> >> Why the get_panel_data function is needed, isn't the cast unnecessary? > > the 'data' member of omap_dss_device has the type 'void *', we need to > cast it to access the panel_acx565akm_data struct pointer. You don't need an explicit cast to assign a void pointer to a pointer to something else (or vice versa, I think). I remember us having similar constructs in some other panel drivers also. I think they are unnecessary also. Tomi
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