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[173.79.56.208]) by smtp.gmail.com with ESMTPSA id 6a1803df08f44-6dd18137543sm182178636d6.58.2025.01.07.15.12.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 07 Jan 2025 15:12:18 -0800 (PST) Date: Tue, 7 Jan 2025 18:12:16 -0500 From: Gregory Price To: Robert Richter Cc: Alison Schofield , Vishal Verma , Ira Weiny , Dan Williams , Jonathan Cameron , Dave Jiang , Davidlohr Bueso , linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, "Fabio M. De Francesco" , Terry Bowman Subject: Re: [PATCH v1 28/29] cxl/region: Show message on broken target list Message-ID: References: <20250107141015.3367194-1-rrichter@amd.com> <20250107141015.3367194-29-rrichter@amd.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20250107141015.3367194-29-rrichter@amd.com> On Tue, Jan 07, 2025 at 03:10:14PM +0100, Robert Richter wrote: > Broken target lists are hard to discover as the driver fails at a > later initialization stage. Add an error message for this. > > Signed-off-by: Robert Richter Reviewed-by: Gregory Price > --- > drivers/cxl/core/region.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c > index 775450a1a887..2af3b6c14f46 100644 > --- a/drivers/cxl/core/region.c > +++ b/drivers/cxl/core/region.c > @@ -1870,6 +1870,13 @@ static int find_pos_and_ways(struct cxl_port *port, struct range *range, > } > put_device(dev); > > + if (rc) > + dev_err(port->uport_dev, > + "failed to find %s:%s in target list of %s\n", > + dev_name(&port->dev), > + dev_name(port->parent_dport->dport_dev), > + dev_name(&cxlsd->cxld.dev)); > + > return rc; > } > > -- > 2.39.5 >