add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/drivers/usb/musb/musb_gadget_ep0.c
..
..
@@ -311,27 +311,23 @@
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 						goto stall;
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 					switch (ctrlrequest->wIndex >> 8) {
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-					case 1:
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-						pr_debug("TEST_J\n");
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-						/* TEST_J */
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+					case USB_TEST_J:
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+						pr_debug("USB_TEST_J\n");
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 						musb->test_mode_nr =
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 							MUSB_TEST_J;
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 						break;
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-					case 2:
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-						/* TEST_K */
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-						pr_debug("TEST_K\n");
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+					case USB_TEST_K:
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+						pr_debug("USB_TEST_K\n");
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 						musb->test_mode_nr =
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 							MUSB_TEST_K;
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 						break;
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-					case 3:
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-						/* TEST_SE0_NAK */
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-						pr_debug("TEST_SE0_NAK\n");
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+					case USB_TEST_SE0_NAK:
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+						pr_debug("USB_TEST_SE0_NAK\n");
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 						musb->test_mode_nr =
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 							MUSB_TEST_SE0_NAK;
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 						break;
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-					case 4:
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-						/* TEST_PACKET */
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-						pr_debug("TEST_PACKET\n");
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+					case USB_TEST_PACKET:
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+						pr_debug("USB_TEST_PACKET\n");
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 						musb->test_mode_nr =
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 							MUSB_TEST_PACKET;
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 						break;
..
..
@@ -739,7 +735,7 @@
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 			musb_writeb(mbase, MUSB_TESTMODE,
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 					musb->test_mode_nr);
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 		}
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-		/* FALLTHROUGH */
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+		fallthrough;
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 	case MUSB_EP0_STAGE_STATUSOUT:
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 		/* end of sequence #1: write to host (TX state) */
..
..
@@ -771,7 +767,7 @@
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 		 */
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 		retval = IRQ_HANDLED;
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 		musb->ep0_state = MUSB_EP0_STAGE_SETUP;
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-		/* FALLTHROUGH */
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+		fallthrough;
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771
 
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 	case MUSB_EP0_STAGE_SETUP:
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 setup:
..
..
@@ -1028,7 +1024,7 @@
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 	case MUSB_EP0_STAGE_ACKWAIT:	/* STALL for zero-length data */
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 	case MUSB_EP0_STAGE_RX:		/* control-OUT data */
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 		csr = musb_readw(regs, MUSB_CSR0);
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-		/* FALLTHROUGH */
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+		fallthrough;
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 	/* It's also OK to issue stalls during callbacks when a non-empty
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 	 * DATA stage buffer has been read (or even written).