Commit 02f8b136 authored by Roman Stratiienko's avatar Roman Stratiienko Committed by Greg Kroah-Hartman
Browse files

usb: musb: sunxi: Don't print error on MUSB_ULPI_BUSCONTROL access 



Error message appears during suspend, where musb driver is storing
the register state in musb_save_context():
```
musb-sunxi 1c19000.usb: Error unknown readb offset 112
```

Print warning instead to avoid confusion.

Signed-off-by: default avatarRoman Stratiienko <r.stratiienko@gmail.com>
Link: https://lore.kernel.org/r/20211019131244.1568560-1-r.stratiienko@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent e4ce9ed8

drivers/usb/musb/sunxi.c

+8 −0
Original line number Diff line number Diff line
@@ -440,6 +440,10 @@ static u8 sunxi_musb_readb(void __iomem *addr, u32 offset) 
				return 0xde;



			return readb(addr + SUNXI_MUSB_CONFIGDATA);

		case MUSB_ULPI_BUSCONTROL:

			dev_warn(sunxi_musb->controller->parent,

				"sunxi-musb does not have ULPI bus control register\n");

			return 0;

		/* Offset for these is fixed by sunxi_musb_busctl_offset() */

		case SUNXI_MUSB_TXFUNCADDR:

		case SUNXI_MUSB_TXHUBADDR:
@@ -494,6 +498,10 @@ static void sunxi_musb_writeb(void __iomem *addr, unsigned offset, u8 data) 
			return writeb(data, addr + SUNXI_MUSB_TXFIFOSZ);

		case MUSB_RXFIFOSZ:

			return writeb(data, addr + SUNXI_MUSB_RXFIFOSZ);

		case MUSB_ULPI_BUSCONTROL:

			dev_warn(sunxi_musb->controller->parent,

				"sunxi-musb does not have ULPI bus control register\n");

			return;

		/* Offset for these is fixed by sunxi_musb_busctl_offset() */

		case SUNXI_MUSB_TXFUNCADDR:

		case SUNXI_MUSB_TXHUBADDR: