add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/usb/dwc2/debugfs.c
..
..
@@ -37,15 +37,15 @@
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 		return -EFAULT;
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 	if (!strncmp(buf, "test_j", 6))
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-		testmode = TEST_J;
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+		testmode = USB_TEST_J;
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 	else if (!strncmp(buf, "test_k", 6))
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-		testmode = TEST_K;
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+		testmode = USB_TEST_K;
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 	else if (!strncmp(buf, "test_se0_nak", 12))
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-		testmode = TEST_SE0_NAK;
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+		testmode = USB_TEST_SE0_NAK;
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 	else if (!strncmp(buf, "test_packet", 11))
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-		testmode = TEST_PACKET;
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+		testmode = USB_TEST_PACKET;
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 	else if (!strncmp(buf, "test_force_enable", 17))
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-		testmode = TEST_FORCE_EN;
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+		testmode = USB_TEST_FORCE_ENABLE;
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 	else
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 		testmode = 0;
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..
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@@ -78,19 +78,19 @@
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 	case 0:
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 		seq_puts(s, "no test\n");
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 		break;
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-	case TEST_J:
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+	case USB_TEST_J:
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 		seq_puts(s, "test_j\n");
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 		break;
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-	case TEST_K:
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+	case USB_TEST_K:
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 		seq_puts(s, "test_k\n");
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 		break;
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-	case TEST_SE0_NAK:
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+	case USB_TEST_SE0_NAK:
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 		seq_puts(s, "test_se0_nak\n");
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 		break;
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-	case TEST_PACKET:
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+	case USB_TEST_PACKET:
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 		seq_puts(s, "test_packet\n");
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 		break;
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-	case TEST_FORCE_EN:
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+	case USB_TEST_FORCE_ENABLE:
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 		seq_puts(s, "test_force_enable\n");
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 		break;
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 	default:
..
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@@ -183,6 +183,7 @@
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 static int fifo_show(struct seq_file *seq, void *v)
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 {
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 	struct dwc2_hsotg *hsotg = seq->private;
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+	int fifo_count = dwc2_hsotg_tx_fifo_count(hsotg);
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 	u32 val;
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 	int idx;
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..
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@@ -196,7 +197,7 @@
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 	seq_puts(seq, "\nPeriodic TXFIFOs:\n");
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-	for (idx = 1; idx < hsotg->num_of_eps; idx++) {
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+	for (idx = 1; idx <= fifo_count; idx++) {
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 		val = dwc2_readl(hsotg, DPTXFSIZN(idx));
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 		seq_printf(seq, "\tDPTXFIFO%2d: Size %d, Start 0x%08x\n", idx,
..
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@@ -701,6 +702,7 @@
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 	print_param(seq, p, besl);
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 	print_param(seq, p, hird_threshold_en);
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 	print_param(seq, p, hird_threshold);
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+	print_param(seq, p, service_interval);
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 	print_param(seq, p, host_dma);
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 	print_param(seq, p, g_dma);
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 	print_param(seq, p, g_dma_desc);
..
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@@ -769,7 +771,7 @@
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 	int			ret;
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 	struct dentry		*root;
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-	root = debugfs_create_dir(dev_name(hsotg->dev), NULL);
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+	root = debugfs_create_dir(dev_name(hsotg->dev), usb_debug_root);
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 	hsotg->debug_root = root;
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 	debugfs_create_file("params", 0444, root, hsotg, &params_fops);