[PATCH 13/17] dma: nbpfaxi: Provide some missing attribute docs and split out slave info
From: Lee Jones <hidden>
Date: 2020-07-14 11:18:56
Also in:
bpf, dmaengine, lkml, netdev
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
Fixes the following W=1 kernel build warning(s): drivers/dma/nbpfaxi.c:157: warning: Function parameter or member 'chan' not described in 'nbpf_desc' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'tasklet' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'slave_src_addr' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'slave_src_width' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'slave_src_burst' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'slave_dst_addr' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'slave_dst_width' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'slave_dst_burst' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'running' not described in 'nbpf_channel' drivers/dma/nbpfaxi.c:220: warning: Function parameter or member 'paused' not described in 'nbpf_channel' Cc: Alexei Starovoitov <ast@kernel.org> Cc: Daniel Borkmann <daniel@iogearbox.net> Cc: Martin KaFai Lau <redacted> Cc: Song Liu <redacted> Cc: Yonghong Song <redacted> Cc: Andrii Nakryiko <redacted> Cc: John Fastabend <john.fastabend@gmail.com> Cc: KP Singh <redacted> Cc: Guennadi Liakhovetski <redacted> Cc: netdev@vger.kernel.org Cc: bpf@vger.kernel.org Signed-off-by: Lee Jones <redacted> --- drivers/dma/nbpfaxi.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/nbpfaxi.c b/drivers/dma/nbpfaxi.c
index 594409a6e9752..74df621402e10 100644
--- a/drivers/dma/nbpfaxi.c
+++ b/drivers/dma/nbpfaxi.c@@ -144,6 +144,7 @@ struct nbpf_link_desc { * @async_tx: dmaengine object * @user_wait: waiting for a user ack * @length: total transfer length + * @chan: associated DMAC channel * @sg: list of hardware descriptors, represented by struct nbpf_link_desc * @node: member in channel descriptor lists */
@@ -174,13 +175,17 @@ struct nbpf_desc_page { /** * struct nbpf_channel - one DMAC channel * @dma_chan: standard dmaengine channel object + * @tasklet: channel specific tasklet used for callbacks * @base: register address base * @nbpf: DMAC * @name: IRQ name * @irq: IRQ number - * @slave_addr: address for slave DMA - * @slave_width:slave data size in bytes - * @slave_burst:maximum slave burst size in bytes + * @slave_src_addr: source address for slave DMA + * @slave_src_width: source slave data size in bytes + * @slave_src_burst: maximum source slave burst size in bytes + * @slave_dst_addr: destination address for slave DMA + * @slave_dst_width: destination slave data size in bytes + * @slave_dst_burst: maximum destination slave burst size in bytes * @terminal: DMA terminal, assigned to this channel * @dmarq_cfg: DMA request line configuration - high / low, edge / level for NBPF_CHAN_CFG * @flags: configuration flags from DT
@@ -191,6 +196,8 @@ struct nbpf_desc_page { * @active: list of descriptors, scheduled for processing * @done: list of completed descriptors, waiting post-processing * @desc_page: list of additionally allocated descriptor pages - if any + * @running: linked descriptor of running transaction + * @paused: are translations on this channel paused? */ struct nbpf_channel { struct dma_chan dma_chan;
--
2.25.1
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