diff options
Diffstat (limited to 'drivers/usb/dwc3/io.h')
| -rw-r--r-- | drivers/usb/dwc3/io.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/usb/dwc3/io.h b/drivers/usb/dwc3/io.h index a06f9a8fecc7..adc8648c92b2 100644 --- a/drivers/usb/dwc3/io.h +++ b/drivers/usb/dwc3/io.h @@ -28,6 +28,13 @@ static inline u32 dwc3_readl(void __iomem *base, u32 offset) { u32 value; +#ifdef CONFIG_USB_DWC3_HISI + extern atomic_t hisi_dwc3_power_on; + + if (unlikely(atomic_read(&hisi_dwc3_power_on) == 0)) + return 0; +#endif + /* * We requested the mem region starting from the Globals address * space, see dwc3_probe in core.c. @@ -40,14 +47,20 @@ static inline u32 dwc3_readl(void __iomem *base, u32 offset) * documentation, so we revert it back to the proper addresses, the * same way they are described on SNPS documentation */ - dwc3_trace(trace_dwc3_readl, "addr %p value %08x", - base - DWC3_GLOBALS_REGS_START + offset, value); + trace_dwc3_readl(base - DWC3_GLOBALS_REGS_START, offset, value); return value; } static inline void dwc3_writel(void __iomem *base, u32 offset, u32 value) { +#ifdef CONFIG_USB_DWC3_HISI + extern atomic_t hisi_dwc3_power_on; + + if (unlikely(atomic_read(&hisi_dwc3_power_on) == 0)) + return; +#endif + /* * We requested the mem region starting from the Globals address * space, see dwc3_probe in core.c. @@ -60,8 +73,7 @@ static inline void dwc3_writel(void __iomem *base, u32 offset, u32 value) * documentation, so we revert it back to the proper addresses, the * same way they are described on SNPS documentation */ - dwc3_trace(trace_dwc3_writel, "addr %p value %08x", - base - DWC3_GLOBALS_REGS_START + offset, value); + trace_dwc3_writel(base - DWC3_GLOBALS_REGS_START, offset, value); } #endif /* __DRIVERS_USB_DWC3_IO_H */ |