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95f295f9fe
Add some trace-points to the driver to allow for debuging via the trace pipe. Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk> Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Signed-off-by: Vinod Koul <vkoul@kernel.org>
61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
#if !defined(_TRACE_TEGRA_APB_DMA_H) || defined(TRACE_HEADER_MULTI_READ)
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#define _TRACE_TEGRA_APM_DMA_H
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#include <linux/tracepoint.h>
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#include <linux/dmaengine.h>
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM tegra_apb_dma
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TRACE_EVENT(tegra_dma_tx_status,
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TP_PROTO(struct dma_chan *dc, dma_cookie_t cookie, struct dma_tx_state *state),
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TP_ARGS(dc, cookie, state),
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TP_STRUCT__entry(
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__string(chan, dev_name(&dc->dev->device))
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__field(dma_cookie_t, cookie)
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__field(__u32, residue)
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),
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TP_fast_assign(
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__assign_str(chan, dev_name(&dc->dev->device));
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__entry->cookie = cookie;
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__entry->residue = state ? state->residue : (u32)-1;
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),
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TP_printk("channel %s: dma cookie %d, residue %u",
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__get_str(chan), __entry->cookie, __entry->residue)
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);
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TRACE_EVENT(tegra_dma_complete_cb,
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TP_PROTO(struct dma_chan *dc, int count, void *ptr),
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TP_ARGS(dc, count, ptr),
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TP_STRUCT__entry(
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__string(chan, dev_name(&dc->dev->device))
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__field(int, count)
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__field(void *, ptr)
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),
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TP_fast_assign(
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__assign_str(chan, dev_name(&dc->dev->device));
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__entry->count = count;
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__entry->ptr = ptr;
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),
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TP_printk("channel %s: done %d, ptr %p",
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__get_str(chan), __entry->count, __entry->ptr)
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);
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TRACE_EVENT(tegra_dma_isr,
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TP_PROTO(struct dma_chan *dc, int irq),
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TP_ARGS(dc, irq),
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TP_STRUCT__entry(
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__string(chan, dev_name(&dc->dev->device))
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__field(int, irq)
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),
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TP_fast_assign(
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__assign_str(chan, dev_name(&dc->dev->device));
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__entry->irq = irq;
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),
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TP_printk("%s: irq %d\n", __get_str(chan), __entry->irq)
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);
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#endif /* _TRACE_TEGRADMA_H */
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/* This part must be outside protection */
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#include <trace/define_trace.h>
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