arm/mach-omap2/omap_device.c

44 static void omap_device_delete(struct omap_device *od);
50 static void _add_clkdev(struct omap_device *od, const char *clk_alias,
59 	dev_dbg(&od->pdev->dev, "Creating %s -> %s\n", clk_alias, clk_name);
61 	r = clk_get_sys(dev_name(&od->pdev->dev), clk_alias);
63 		dev_dbg(&od->pdev->dev,
79 					 dev_name(&od->pdev->dev));
81 		rc = clk_add_alias(clk_alias, dev_name(&od->pdev->dev),
87 			dev_err(&od->pdev->dev,
90 			dev_err(&od->pdev->dev,
98  * @od: struct omap_device *od
111 static void _add_hwmod_clocks_clkdev(struct omap_device *od,
116 	_add_clkdev(od, "fck", oh->main_clk);
119 		_add_clkdev(od, oh->opt_clks[i].role, oh->opt_clks[i].clk);
134 	struct omap_device *od;
179 	od = omap_device_alloc(pdev, hwmods, oh_cnt);
180 	if (IS_ERR(od)) {
183 		ret = PTR_ERR(od);
217 	struct omap_device *od;
222 		if (pdev->archdata.od)
223 			omap_device_delete(pdev->archdata.od);
226 		od = to_omap_device(pdev);
227 		if (od && (od->_state == OMAP_DEVICE_STATE_ENABLED)) {
235 		od = to_omap_device(pdev);
236 		if (od) {
237 			od->_driver_status = BUS_NOTIFY_BIND_DRIVER;
238 			if (od->_state == OMAP_DEVICE_STATE_ENABLED &&
249 		od = to_omap_device(pdev);
250 		if (od)
251 			od->_driver_status = event;
259  * @od: struct omap_device *od
263 static int _omap_device_enable_hwmods(struct omap_device *od)
268 	for (i = 0; i < od->hwmods_cnt; i++)
269 		ret |= omap_hwmod_enable(od->hwmods[i]);
276  * @od: struct omap_device *od
280 static int _omap_device_idle_hwmods(struct omap_device *od)
285 	for (i = 0; i < od->hwmods_cnt; i++)
286 		ret |= omap_hwmod_idle(od->hwmods[i]);
308 	struct omap_device *od;
312 	od = kzalloc(sizeof(struct omap_device), GFP_KERNEL);
313 	if (!od)
316 	od->hwmods_cnt = oh_cnt;
322 	od->hwmods = hwmods;
323 	od->pdev = pdev;
324 	pdev->archdata.od = od;
327 		hwmods[i]->od = od;
328 		_add_hwmod_clocks_clkdev(od, hwmods[i]);
331 	return od;
334 	kfree(od);
341 static void omap_device_delete(struct omap_device *od)
343 	if (!od)
346 	od->pdev->archdata.od = NULL;
347 	kfree(od->hwmods);
348 	kfree(od);
396 	struct omap_device *od = to_omap_device(pdev);
400 	if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER)
408 			od->flags |= OMAP_DEVICE_SUSPENDED;
418 	struct omap_device *od = to_omap_device(pdev);
420 	if (od->flags & OMAP_DEVICE_SUSPENDED) {
421 		od->flags &= ~OMAP_DEVICE_SUSPENDED;
456  * Do whatever is necessary for the hwmods underlying omap_device @od
467 	struct omap_device *od;
469 	od = to_omap_device(pdev);
471 	if (od->_state == OMAP_DEVICE_STATE_ENABLED) {
474 			 __func__, od->_state);
478 	ret = _omap_device_enable_hwmods(od);
481 		od->_state = OMAP_DEVICE_STATE_ENABLED;
490  * Idle omap_device @od.  Device drivers call this function indirectly
498 	struct omap_device *od;
500 	od = to_omap_device(pdev);
502 	if (od->_state != OMAP_DEVICE_STATE_ENABLED) {
505 			 __func__, od->_state);
509 	ret = _omap_device_idle_hwmods(od);
512 		od->_state = OMAP_DEVICE_STATE_IDLE;
531 	struct omap_device *od = to_omap_device(pdev);
535 	for (i = 0; i < od->hwmods_cnt; i++) {
536 		ret = omap_hwmod_assert_hardreset(od->hwmods[i], name);
559 	struct omap_device *od = to_omap_device(pdev);
563 	for (i = 0; i < od->hwmods_cnt; i++) {
564 		ret = omap_hwmod_deassert_hardreset(od->hwmods[i], name);
594 	struct omap_device *od = to_omap_device(pdev);
597 	if (!od)
609 	for (i = 0; i < od->hwmods_cnt; i++)
610 		if (od->hwmods[i]->flags & HWMOD_INIT_NO_IDLE)
613 	if (od->_driver_status != BUS_NOTIFY_BOUND_DRIVER &&
614 	    od->_driver_status != BUS_NOTIFY_BIND_DRIVER) {
615 		if (od->_state == OMAP_DEVICE_STATE_ENABLED) {