[PATCH] usb: musb: sunxi: Don't print error on MUSB_ULPI_BUSCONTROL access
From: Roman Stratiienko <hidden>
Date: 2021-10-19 13:13:13
Also in:
linux-sunxi, linux-usb, lkml
Subsystem:
musb multipoint high speed dual-role controller, the rest, usb subsystem · Maintainers:
Bin Liu, Linus Torvalds, Greg Kroah-Hartman
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 <redacted> --- drivers/usb/musb/sunxi.c | 8 ++++++++ 1 file changed, 8 insertions(+)
diff --git a/drivers/usb/musb/sunxi.c b/drivers/usb/musb/sunxi.c
index f3f76f2ac63f9b..961c858fb349e1 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:
--
2.30.2
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