forked from ~ljy/RK356X_SDK_RELEASE
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hc
2024-01-05 071106ecf68c401173c58808b1cf5f68cc50d390 
 kernel/drivers/usb/dwc3/debugfs.c
....@@ -327,6 +327,11 @@
327327 	unsigned int		current_mode;
328328 	unsigned long		flags;
329329 	u32			reg;
330
+	int			ret;
331
+
332
+	ret = pm_runtime_resume_and_get(dwc->dev);
333
+	if (ret < 0)
334
+		return ret;
330335 
331336 	spin_lock_irqsave(&dwc->lock, flags);
332337 	reg = dwc3_readl(dwc->regs, DWC3_GSTS);
....@@ -344,6 +349,8 @@
344349 		break;
345350 	}
346351 	spin_unlock_irqrestore(&dwc->lock, flags);
352
+
353
+	pm_runtime_put_sync(dwc->dev);
347354 
348355 	return 0;
349356 }
....@@ -390,6 +397,11 @@
390397 	struct dwc3		*dwc = s->private;
391398 	unsigned long		flags;
392399 	u32			reg;
400
+	int			ret;
401
+
402
+	ret = pm_runtime_resume_and_get(dwc->dev);
403
+	if (ret < 0)
404
+		return ret;
393405 
394406 	spin_lock_irqsave(&dwc->lock, flags);
395407 	reg = dwc3_readl(dwc->regs, DWC3_GCTL);
....@@ -408,6 +420,8 @@
408420 	default:
409421 		seq_printf(s, "UNKNOWN %08x\n", DWC3_GCTL_PRTCAP(reg));
410422 	}
423
+
424
+	pm_runtime_put_sync(dwc->dev);
411425 
412426 	return 0;
413427 }
....@@ -462,6 +476,11 @@
462476 	struct dwc3		*dwc = s->private;
463477 	unsigned long		flags;
464478 	u32			reg;
479
+	int			ret;
480
+
481
+	ret = pm_runtime_resume_and_get(dwc->dev);
482
+	if (ret < 0)
483
+		return ret;
465484 
466485 	spin_lock_irqsave(&dwc->lock, flags);
467486 	reg = dwc3_readl(dwc->regs, DWC3_DCTL);
....@@ -492,6 +511,8 @@
492511 		seq_printf(s, "UNKNOWN %d\n", reg);
493512 	}
494513 
514
+	pm_runtime_put_sync(dwc->dev);
515
+
495516 	return 0;
496517 }
497518 
....@@ -508,6 +529,7 @@
508529 	unsigned long		flags;
509530 	u32			testmode = 0;
510531 	char			buf[32];
532
+	int			ret;
511533 
512534 	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
513535 		return -EFAULT;
....@@ -525,9 +547,15 @@
525547 	else
526548 		testmode = 0;
527549 
550
+	ret = pm_runtime_resume_and_get(dwc->dev);
551
+	if (ret < 0)
552
+		return ret;
553
+
528554 	spin_lock_irqsave(&dwc->lock, flags);
529555 	dwc3_gadget_set_test_mode(dwc, testmode);
530556 	spin_unlock_irqrestore(&dwc->lock, flags);
557
+
558
+	pm_runtime_put_sync(dwc->dev);
531559 
532560 	return count;
533561 }
....@@ -547,12 +575,18 @@
547575 	enum dwc3_link_state	state;
548576 	u32			reg;
549577 	u8			speed;
578
+	int			ret;
579
+
580
+	ret = pm_runtime_resume_and_get(dwc->dev);
581
+	if (ret < 0)
582
+		return ret;
550583 
551584 	spin_lock_irqsave(&dwc->lock, flags);
552585 	reg = dwc3_readl(dwc->regs, DWC3_GSTS);
553586 	if (DWC3_GSTS_CURMOD(reg) != DWC3_GSTS_CURMOD_DEVICE) {
554587 		seq_puts(s, "Not available\n");
555588 		spin_unlock_irqrestore(&dwc->lock, flags);
589
+		pm_runtime_put_sync(dwc->dev);
556590 		return 0;
557591 	}
558592 
....@@ -564,6 +598,8 @@
564598 		   dwc3_gadget_link_string(state) :
565599 		   dwc3_gadget_hs_link_string(state));
566600 	spin_unlock_irqrestore(&dwc->lock, flags);
601
+
602
+	pm_runtime_put_sync(dwc->dev);
567603 
568604 	return 0;
569605 }
....@@ -583,6 +619,7 @@
583619 	char			buf[32];
584620 	u32			reg;
585621 	u8			speed;
622
+	int			ret;
586623 
587624 	if (copy_from_user(&buf, ubuf, min_t(size_t, sizeof(buf) - 1, count)))
588625 		return -EFAULT;
....@@ -602,10 +639,15 @@
602639 	else
603640 		return -EINVAL;
604641 
642
+	ret = pm_runtime_resume_and_get(dwc->dev);
643
+	if (ret < 0)
644
+		return ret;
645
+
605646 	spin_lock_irqsave(&dwc->lock, flags);
606647 	reg = dwc3_readl(dwc->regs, DWC3_GSTS);
607648 	if (DWC3_GSTS_CURMOD(reg) != DWC3_GSTS_CURMOD_DEVICE) {
608649 		spin_unlock_irqrestore(&dwc->lock, flags);
650
+		pm_runtime_put_sync(dwc->dev);
609651 		return -EINVAL;
610652 	}
611653 
....@@ -615,11 +657,14 @@
615657 	if (speed < DWC3_DSTS_SUPERSPEED &&
616658 	    state != DWC3_LINK_STATE_RECOV) {
617659 		spin_unlock_irqrestore(&dwc->lock, flags);
660
+		pm_runtime_put_sync(dwc->dev);
618661 		return -EINVAL;
619662 	}
620663 
621664 	dwc3_gadget_set_link_state(dwc, state);
622665 	spin_unlock_irqrestore(&dwc->lock, flags);
666
+
667
+	pm_runtime_put_sync(dwc->dev);
623668 
624669 	return count;
625670 }
....@@ -644,6 +689,11 @@
644689 	unsigned long		flags;
645690 	u32			mdwidth;
646691 	u32			val;
692
+	int			ret;
693
+
694
+	ret = pm_runtime_resume_and_get(dwc->dev);
695
+	if (ret < 0)
696
+		return ret;
647697 
648698 	spin_lock_irqsave(&dwc->lock, flags);
649699 	val = dwc3_core_fifo_space(dep, DWC3_TXFIFO);
....@@ -656,6 +706,8 @@
656706 	seq_printf(s, "%u\n", val);
657707 	spin_unlock_irqrestore(&dwc->lock, flags);
658708 
709
+	pm_runtime_put_sync(dwc->dev);
710
+
659711 	return 0;
660712 }
661713 
....@@ -666,6 +718,11 @@
666718 	unsigned long		flags;
667719 	u32			mdwidth;
668720 	u32			val;
721
+	int			ret;
722
+
723
+	ret = pm_runtime_resume_and_get(dwc->dev);
724
+	if (ret < 0)
725
+		return ret;
669726 
670727 	spin_lock_irqsave(&dwc->lock, flags);
671728 	val = dwc3_core_fifo_space(dep, DWC3_RXFIFO);
....@@ -678,6 +735,8 @@
678735 	seq_printf(s, "%u\n", val);
679736 	spin_unlock_irqrestore(&dwc->lock, flags);
680737 
738
+	pm_runtime_put_sync(dwc->dev);
739
+
681740 	return 0;
682741 }
683742 
....@@ -687,11 +746,18 @@
687746 	struct dwc3		*dwc = dep->dwc;
688747 	unsigned long		flags;
689748 	u32			val;
749
+	int			ret;
750
+
751
+	ret = pm_runtime_resume_and_get(dwc->dev);
752
+	if (ret < 0)
753
+		return ret;
690754 
691755 	spin_lock_irqsave(&dwc->lock, flags);
692756 	val = dwc3_core_fifo_space(dep, DWC3_TXREQQ);
693757 	seq_printf(s, "%u\n", val);
694758 	spin_unlock_irqrestore(&dwc->lock, flags);
759
+
760
+	pm_runtime_put_sync(dwc->dev);
695761 
696762 	return 0;
697763 }
....@@ -702,11 +768,18 @@
702768 	struct dwc3		*dwc = dep->dwc;
703769 	unsigned long		flags;
704770 	u32			val;
771
+	int			ret;
772
+
773
+	ret = pm_runtime_resume_and_get(dwc->dev);
774
+	if (ret < 0)
775
+		return ret;
705776 
706777 	spin_lock_irqsave(&dwc->lock, flags);
707778 	val = dwc3_core_fifo_space(dep, DWC3_RXREQQ);
708779 	seq_printf(s, "%u\n", val);
709780 	spin_unlock_irqrestore(&dwc->lock, flags);
781
+
782
+	pm_runtime_put_sync(dwc->dev);
710783 
711784 	return 0;
712785 }
....@@ -717,11 +790,18 @@
717790 	struct dwc3		*dwc = dep->dwc;
718791 	unsigned long		flags;
719792 	u32			val;
793
+	int			ret;
794
+
795
+	ret = pm_runtime_resume_and_get(dwc->dev);
796
+	if (ret < 0)
797
+		return ret;
720798 
721799 	spin_lock_irqsave(&dwc->lock, flags);
722800 	val = dwc3_core_fifo_space(dep, DWC3_RXINFOQ);
723801 	seq_printf(s, "%u\n", val);
724802 	spin_unlock_irqrestore(&dwc->lock, flags);
803
+
804
+	pm_runtime_put_sync(dwc->dev);
725805 
726806 	return 0;
727807 }
....@@ -732,11 +812,18 @@
732812 	struct dwc3		*dwc = dep->dwc;
733813 	unsigned long		flags;
734814 	u32			val;
815
+	int			ret;
816
+
817
+	ret = pm_runtime_resume_and_get(dwc->dev);
818
+	if (ret < 0)
819
+		return ret;
735820 
736821 	spin_lock_irqsave(&dwc->lock, flags);
737822 	val = dwc3_core_fifo_space(dep, DWC3_DESCFETCHQ);
738823 	seq_printf(s, "%u\n", val);
739824 	spin_unlock_irqrestore(&dwc->lock, flags);
825
+
826
+	pm_runtime_put_sync(dwc->dev);
740827 
741828 	return 0;
742829 }
....@@ -747,11 +834,18 @@
747834 	struct dwc3		*dwc = dep->dwc;
748835 	unsigned long		flags;
749836 	u32			val;
837
+	int			ret;
838
+
839
+	ret = pm_runtime_resume_and_get(dwc->dev);
840
+	if (ret < 0)
841
+		return ret;
750842 
751843 	spin_lock_irqsave(&dwc->lock, flags);
752844 	val = dwc3_core_fifo_space(dep, DWC3_EVENTQ);
753845 	seq_printf(s, "%u\n", val);
754846 	spin_unlock_irqrestore(&dwc->lock, flags);
847
+
848
+	pm_runtime_put_sync(dwc->dev);
755849 
756850 	return 0;
757851 }
....@@ -797,6 +891,11 @@
797891 	struct dwc3		*dwc = dep->dwc;
798892 	unsigned long		flags;
799893 	int			i;
894
+	int			ret;
895
+
896
+	ret = pm_runtime_resume_and_get(dwc->dev);
897
+	if (ret < 0)
898
+		return ret;
800899 
801900 	spin_lock_irqsave(&dwc->lock, flags);
802901 	if (dep->number <= 1) {
....@@ -826,6 +925,8 @@
826925 out:
827926 	spin_unlock_irqrestore(&dwc->lock, flags);
828927 
928
+	pm_runtime_put_sync(dwc->dev);
929
+
829930 	return 0;
830931 }
831932 
....@@ -838,6 +939,11 @@
838939 	u32			lower_32_bits;
839940 	u32			upper_32_bits;
840941 	u32			reg;
942
+	int			ret;
943
+
944
+	ret = pm_runtime_resume_and_get(dwc->dev);
945
+	if (ret < 0)
946
+		return ret;
841947 
842948 	spin_lock_irqsave(&dwc->lock, flags);
843949 	reg = DWC3_GDBGLSPMUX_EPSELECT(dep->number);
....@@ -849,6 +955,8 @@
849955 	ep_info = ((u64)upper_32_bits << 32) | lower_32_bits;
850956 	seq_printf(s, "0x%016llx\n", ep_info);
851957 	spin_unlock_irqrestore(&dwc->lock, flags);
958
+
959
+	pm_runtime_put_sync(dwc->dev);
852960 
853961 	return 0;
854962 }
....@@ -911,6 +1019,7 @@
9111019 	dwc->regset->regs = dwc3_regs;
9121020 	dwc->regset->nregs = ARRAY_SIZE(dwc3_regs);
9131021 	dwc->regset->base = dwc->regs - DWC3_GLOBALS_REGS_START;
1022
+	dwc->regset->dev = dwc->dev;
9141023 
9151024 	root = debugfs_create_dir(dev_name(dwc->dev), usb_debug_root);
9161025 	dwc->root = root;