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Commit 4dd5a69e authored by Felipe Balbi's avatar Felipe Balbi
Browse files

usb: dwc3: trace: add a proper tracepoint for reg accessors 



We want to reduce the usage of dwc3_trace() in favor
of proper tracepoints which can be enabled/disabled
by the user. Let's start with our register
accessors.

Signed-off-by: default avatarFelipe Balbi <felipe.balbi@linux.intel.com>
parent ba1773fb

drivers/usb/dwc3/io.h

+2 −4
Original line number Diff line number Diff line
@@ -40,8 +40,7 @@ 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;

}
@@ -60,8 +59,7 @@ 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 */

drivers/usb/dwc3/trace.h

+26 −9
Original line number Diff line number Diff line
@@ -37,29 +37,46 @@ DECLARE_EVENT_CLASS(dwc3_log_msg, 
	TP_printk("%s", __get_str(msg))

);



DEFINE_EVENT(dwc3_log_msg, dwc3_readl,

DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);



DEFINE_EVENT(dwc3_log_msg, dwc3_writel,

DEFINE_EVENT(dwc3_log_msg, dwc3_core,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);



DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,

DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);



DEFINE_EVENT(dwc3_log_msg, dwc3_core,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

DECLARE_EVENT_CLASS(dwc3_log_io,

	TP_PROTO(void *base, u32 offset, u32 value),

	TP_ARGS(base, offset, value),

	TP_STRUCT__entry(

		__field(void *, base)

		__field(u32, offset)

		__field(u32, value)

	),

	TP_fast_assign(

		__entry->base = base;

		__entry->offset = offset;

		__entry->value = value;

	),

	TP_printk("addr %p value %08x", __entry->base + __entry->offset,

			__entry->value)

);



DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

DEFINE_EVENT(dwc3_log_io, dwc3_readl,

	TP_PROTO(void *base, u32 offset, u32 value),

	TP_ARGS(base, offset, value)

);



DEFINE_EVENT(dwc3_log_io, dwc3_writel,

	TP_PROTO(void *base, u32 offset, u32 value),

	TP_ARGS(base, offset, value)

);



DECLARE_EVENT_CLASS(dwc3_log_event,