diff options
| -rw-r--r-- | drivers/usb/musb-new/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/usb/musb-new/musb_regs.h | 3 |
2 files changed, 11 insertions, 2 deletions
diff --git a/drivers/usb/musb-new/Kconfig b/drivers/usb/musb-new/Kconfig index 6cf8a2b60b6..fd6f4109b0e 100644 --- a/drivers/usb/musb-new/Kconfig +++ b/drivers/usb/musb-new/Kconfig @@ -89,3 +89,13 @@ config USB_MUSB_PIO_ONLY help All data is copied between memory and FIFO by the CPU. DMA controllers are ignored. + +config USB_MUSB_FIXED_CONFIGDATA + bool "Hardcode MUSB CONFIGDATA register" + depends on USB_MUSB_SUNXI + default n if MACH_SUN4I || MACH_SUN5I || MACH_SUN6I || MACH_SUN7I || MACH_SUN8I_A23 + default y + help + Newer Allwinner SoCs do not implement the MUSB_CONFIGDATA register, + so it always reads 0. Select this option to override this and + return a hardcoded value instead. diff --git a/drivers/usb/musb-new/musb_regs.h b/drivers/usb/musb-new/musb_regs.h index c4d7203b851..e9362f6def3 100644 --- a/drivers/usb/musb-new/musb_regs.h +++ b/drivers/usb/musb-new/musb_regs.h @@ -431,8 +431,7 @@ static inline u8 musb_read_ulpi_buscontrol(void __iomem *mbase) static inline u8 musb_read_configdata(void __iomem *mbase) { -#if defined CONFIG_MACH_SUN8I_A33 || defined CONFIG_MACH_SUN8I_A83T || \ - defined CONFIG_MACH_SUNXI_H3_H5 || defined CONFIG_MACH_SUN50I +#ifdef CONFIG_USB_MUSB_FIXED_CONFIGDATA /* <Sigh> allwinner saves a reg, and we need to hardcode this */ return 0xde; #else |