linux-kernel - Re: [PATCH v1 17/29] cxl/region: Rename function to cxl_find_decoder

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Message-ID: <Z32lTEVg0qCVtP4i@gourry-fedora-PF4VCD3F>
Date: Tue, 7 Jan 2025 17:06:04 -0500
From: Gregory Price <gourry@...rry.net>
To: Robert Richter <rrichter@....com>
Cc: Alison Schofield <alison.schofield@...el.com>,
	Vishal Verma <vishal.l.verma@...el.com>,
	Ira Weiny <ira.weiny@...el.com>,
	Dan Williams <dan.j.williams@...el.com>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Dave Jiang <dave.jiang@...el.com>,
	Davidlohr Bueso <dave@...olabs.net>, linux-cxl@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Fabio M. De Francesco" <fabio.m.de.francesco@...ux.intel.com>,
	Terry Bowman <terry.bowman@....com>
Subject: Re: [PATCH v1 17/29] cxl/region: Rename function to
 cxl_find_decoder_early()

On Tue, Jan 07, 2025 at 03:10:03PM +0100, Robert Richter wrote:
> Current function cxl_region_find_decoder() is used to find a port's
> decoder during region setup. The decoder is later used to attach the
> port to a region.
> 
> Rename function to cxl_find_decoder_early() to emphasize its use only
> during region setup in the early setup stage. Once a port is attached
> to a region, the region reference can be used to lookup a region's
> port and decoder configuration (see struct cxl_region_ref).
>

May want to add a comment preceding the function to record this in the
code along with the changelog.

> Signed-off-by: Robert Richter <rrichter@....com>

Reviewed-by: Gregory Price <gourry@...rry.net>

> ---
>  drivers/cxl/core/region.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
> index c1e384e80d10..2bc2028988d3 100644
> --- a/drivers/cxl/core/region.c
> +++ b/drivers/cxl/core/region.c
> @@ -878,9 +878,9 @@ static int match_auto_decoder(struct device *dev, void *data)
>  }
>  
>  static struct cxl_decoder *
> -cxl_region_find_decoder(struct cxl_port *port,
> -			struct cxl_endpoint_decoder *cxled,
> -			struct cxl_region *cxlr)
> +cxl_find_decoder_early(struct cxl_port *port,
> +		       struct cxl_endpoint_decoder *cxled,
> +		       struct cxl_region *cxlr)
>  {
>  	struct device *dev;
>  
> @@ -944,7 +944,7 @@ alloc_region_ref(struct cxl_port *port, struct cxl_region *cxlr,
>  		if (test_bit(CXL_REGION_F_AUTO, &cxlr->flags)) {
>  			struct cxl_decoder *cxld;
>  
> -			cxld = cxl_region_find_decoder(port, cxled, cxlr);
> +			cxld = cxl_find_decoder_early(port, cxled, cxlr);
>  			if (auto_order_ok(port, iter->region, cxld))
>  				continue;
>  		}
> @@ -1032,7 +1032,7 @@ static int cxl_rr_alloc_decoder(struct cxl_port *port, struct cxl_region *cxlr,
>  {
>  	struct cxl_decoder *cxld;
>  
> -	cxld = cxl_region_find_decoder(port, cxled, cxlr);
> +	cxld = cxl_find_decoder_early(port, cxled, cxlr);
>  	if (!cxld) {
>  		dev_dbg(&cxlr->dev, "%s: no decoder available\n",
>  			dev_name(&port->dev));
> -- 
> 2.39.5
>