diff options
| author | Roman Stratiienko <r.stratiienko@gmail.com> | 2021-10-19 16:12:44 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-10-22 12:12:14 +0300 |
| commit | 02f8b1360312d888e3f4ae4ab47dec6cd542678d (patch) | |
| tree | 4b085d420221bb0b9fba3b7df46ab48f6d7d3d76 /drivers/usb | |
| parent | e4ce9ed835bcaf4cd3230a53a79645986c25ce0f (diff) | |
| download | linux-02f8b1360312d888e3f4ae4ab47dec6cd542678d.tar.xz | |
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: Roman Stratiienko <r.stratiienko@gmail.com>
Link: https://lore.kernel.org/r/20211019131244.1568560-1-r.stratiienko@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb/sunxi.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c index f3f76f2ac63f..961c858fb349 100644 --- a/drivers/usb/musb/sunxi.c +++ b/drivers/usb/musb/sunxi.c @@ -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: |