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| author |   Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-03-06 16:28:39 +0200 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2020-03-11 14:56:14 +0530 |
| commit | 26cf132de6f79c06025706ddc61e045d591d404d (patch) | |
| tree | 2e14e92b1976b951480ba3f095ffe972b577d46d /include/linux/dmaengine.h | |
| parent | dmaengine: ti: k3-udma: Implement custom dbg_summary_show for debugfs (diff) | |
| download | wireguard-linux-26cf132de6f79c06025706ddc61e045d591d404d.tar.xz wireguard-linux-26cf132de6f79c06025706ddc61e045d591d404d.zip | |
dmaengine: Create debug directories for DMA devices
Create a placeholder directory for each registered DMA device.
DMA drivers can use the dmaengine_get_debugfs_root() call to get their
debugfs root and can populate with custom files to aim debugging.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200306142839.17910-4-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'include/linux/dmaengine.h')
| -rw-r--r-- | include/linux/dmaengine.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 72920b5cf2d7..21065c04c4ac 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -902,6 +902,7 @@ struct dma_device { /* debugfs support */ #ifdef CONFIG_DEBUG_FS void (*dbg_summary_show)(struct seq_file *s, struct dma_device *dev); + struct dentry *dbg_dev_root; #endif }; |