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-rw-r--r--arch/arm/mach-omap2/display.c111
1 files changed, 53 insertions, 58 deletions
diff --git a/arch/arm/mach-omap2/display.c b/arch/arm/mach-omap2/display.c
index 9500b6e27380..f86b72d1d59e 100644
--- a/arch/arm/mach-omap2/display.c
+++ b/arch/arm/mach-omap2/display.c
@@ -209,11 +209,61 @@ static int __init omapdss_init_fbdev(void)
209 209
210 return 0; 210 return 0;
211} 211}
212#else 212
213static inline int omapdss_init_fbdev(void) 213static const char * const omapdss_compat_names[] __initconst = {
214 "ti,omap2-dss",
215 "ti,omap3-dss",
216 "ti,omap4-dss",
217 "ti,omap5-dss",
218 "ti,dra7-dss",
219};
220
221static struct device_node * __init omapdss_find_dss_of_node(void)
214{ 222{
215 return 0; 223 struct device_node *node;
224 int i;
225
226 for (i = 0; i < ARRAY_SIZE(omapdss_compat_names); ++i) {
227 node = of_find_compatible_node(NULL, NULL,
228 omapdss_compat_names[i]);
229 if (node)
230 return node;
231 }
232
233 return NULL;
216} 234}
235
236static int __init omapdss_init_of(void)
237{
238 int r;
239 struct device_node *node;
240 struct platform_device *pdev;
241
242 /* only create dss helper devices if dss is enabled in the .dts */
243
244 node = omapdss_find_dss_of_node();
245 if (!node)
246 return 0;
247
248 if (!of_device_is_available(node))
249 return 0;
250
251 pdev = of_find_device_by_node(node);
252
253 if (!pdev) {
254 pr_err("Unable to find DSS platform device\n");
255 return -ENODEV;
256 }
257
258 r = of_platform_populate(node, NULL, NULL, &pdev->dev);
259 if (r) {
260 pr_err("Unable to populate DSS submodule devices\n");
261 return r;
262 }
263
264 return omapdss_init_fbdev();
265}
266omap_device_initcall(omapdss_init_of);
217#endif /* CONFIG_FB_OMAP2 */ 267#endif /* CONFIG_FB_OMAP2 */
218 268
219static void dispc_disable_outputs(void) 269static void dispc_disable_outputs(void)
@@ -361,58 +411,3 @@ int omap_dss_reset(struct omap_hwmod *oh)
361 411
362 return r; 412 return r;
363} 413}
364
365static const char * const omapdss_compat_names[] __initconst = {
366 "ti,omap2-dss",
367 "ti,omap3-dss",
368 "ti,omap4-dss",
369 "ti,omap5-dss",
370 "ti,dra7-dss",
371};
372
373static struct device_node * __init omapdss_find_dss_of_node(void)
374{
375 struct device_node *node;
376 int i;
377
378 for (i = 0; i < ARRAY_SIZE(omapdss_compat_names); ++i) {
379 node = of_find_compatible_node(NULL, NULL,
380 omapdss_compat_names[i]);
381 if (node)
382 return node;
383 }
384
385 return NULL;
386}
387
388static int __init omapdss_init_of(void)
389{
390 int r;
391 struct device_node *node;
392 struct platform_device *pdev;
393
394 /* only create dss helper devices if dss is enabled in the .dts */
395
396 node = omapdss_find_dss_of_node();
397 if (!node)
398 return 0;
399
400 if (!of_device_is_available(node))
401 return 0;
402
403 pdev = of_find_device_by_node(node);
404
405 if (!pdev) {
406 pr_err("Unable to find DSS platform device\n");
407 return -ENODEV;
408 }
409
410 r = of_platform_populate(node, NULL, NULL, &pdev->dev);
411 if (r) {
412 pr_err("Unable to populate DSS submodule devices\n");
413 return r;
414 }
415
416 return omapdss_init_fbdev();
417}
418omap_device_initcall(omapdss_init_of);