Re: [PATCH v2 00/13] of: property: add port base loop

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Hello Morimoto-san,

(CC'ing Sakari Ailus)

On Mon, Jan 29, 2024 at 12:54:24AM +0000, Kuninori Morimoto wrote:
> 
> Hi Rob
> 
> This is v2 of port base loop patch-set
> 
> We have endpoint base functions
> 	- of_graph_get_next_endpoint()
> 	- of_graph_get_endpoint_count()
> 	- for_each_endpoint_of_node()
> 
> But to handling "port" base things, it is not useful. We want to have
> "port" base functions, too. This patch-set adds it.
> 
> Because current existing drivers couldn't use "port" base functions,
> it were implemented in a different way. This patch-set doesn't try
> to full-replace to avoid unknown bug, try easy / quick replace only
> for now, but easy to know how "port" base functions are needed.
> 
> Because I can't test the driver which I can't use, non-ASoC drivers
> needs Tested-by, Acked-by.

The strategy sounds good to me. However, I'm wondering if you shouldn't
take one more step in the core, and implement these as fwnode
operations. Or is there a reason why OF is special, and iterating over
ports would be useful for drivers on OF systems but not on other types
of systems ?

> v1 -> v2
> 	- tidyup function explain
> 	- add missing header on each files
> 
> Kuninori Morimoto (13):
>   of: property: add port base loop
>   of: property: use of_graph_get_next_port() on of_graph_get_next_endpoint()
>   of: property: add of_graph_get_next_endpoint_raw()
>   drm: omapdrm: use of_graph_get_next_endpoint_raw()
>   media: xilinx-tpg: use of_graph_get_next_endpoint_raw()
>   ASoC: audio-graph-card: use of_graph_get_next_endpoint_raw()
>   ASoC: audio-graph-card2: use of_graph_get_next_port()
>   ASoC: audio-graph-card2: use of_graph_get_next_endpoint_raw()
>   ASoC: test-component: use for_each_port_of_node()
>   fbdev: omapfb: use of_graph_get_remote_port()
>   fbdev: omapfb: use of_graph_get_next_port()
>   fbdev: omapfb: use of_graph_get_next_endpoint_raw()
>   fbdev: omapfb: use of_graph_get_next_endpoint()
> 
>  drivers/gpu/drm/omapdrm/dss/dpi.c             |   2 +-
>  drivers/gpu/drm/omapdrm/dss/sdi.c             |   2 +-
>  drivers/media/platform/xilinx/xilinx-tpg.c    |   2 +-
>  drivers/of/property.c                         |  92 +++++++++++++---
>  drivers/video/fbdev/omap2/omapfb/dss/dpi.c    |   3 +-
>  drivers/video/fbdev/omap2/omapfb/dss/dsi.c    |   3 +-
>  drivers/video/fbdev/omap2/omapfb/dss/dss-of.c | 101 +-----------------
>  drivers/video/fbdev/omap2/omapfb/dss/dss.c    |   9 +-
>  drivers/video/fbdev/omap2/omapfb/dss/hdmi4.c  |   3 +-
>  drivers/video/fbdev/omap2/omapfb/dss/hdmi5.c  |   3 +-
>  drivers/video/fbdev/omap2/omapfb/dss/sdi.c    |   3 +-
>  drivers/video/fbdev/omap2/omapfb/dss/venc.c   |   3 +-
>  include/linux/of_graph.h                      |  23 ++++
>  include/video/omapfb_dss.h                    |  11 --
>  sound/soc/generic/audio-graph-card.c          |   2 +-
>  sound/soc/generic/audio-graph-card2.c         |  31 ++----
>  sound/soc/generic/test-component.c            |   2 +-
>  17 files changed, 133 insertions(+), 162 deletions(-)

-- 
Regards,

Laurent Pinchart



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