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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: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi 2016-09-30 15:52:19 +03:00
parent ba1773fb7d
commit 4dd5a69e49
2 changed files with 29 additions and 14 deletions
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6
drivers/usb/dwc3/io.h
View File

@ -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 */

37
drivers/usb/dwc3/trace.h
View File

@ -37,16 +37,6 @@ DECLARE_EVENT_CLASS(dwc3_log_msg,
TP_printk("%s", __get_str(msg))
);
DEFINE_EVENT(dwc3_log_msg, dwc3_readl,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(dwc3_log_msg, dwc3_writel,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
);
DEFINE_EVENT(dwc3_log_msg, dwc3_gadget,
TP_PROTO(struct va_format *vaf),
TP_ARGS(vaf)
@ -62,6 +52,33 @@ DEFINE_EVENT(dwc3_log_msg, dwc3_ep0,
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_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,
TP_PROTO(u32 event, struct dwc3 *dwc),
TP_ARGS(event, dwc),