linux-kernel - [PATCH 2/3] cxl: Set target type of region with that of root decoder

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Message-Id: <20240729084611.502889-3-ying.huang@intel.com>
Date: Mon, 29 Jul 2024 16:46:10 +0800
From: Huang Ying <ying.huang@...el.com>
To: Dan Williams <dan.j.williams@...el.com>,
	Dave Jiang <dave.jiang@...el.com>
Cc: linux-cxl@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Huang Ying <ying.huang@...el.com>,
	Davidlohr Bueso <dave@...olabs.net>,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Alison Schofield <alison.schofield@...el.com>,
	Vishal Verma <vishal.l.verma@...el.com>,
	Ira Weiny <ira.weiny@...el.com>,
	Alejandro Lucero <alucerop@....com>
Subject: [PATCH 2/3] cxl: Set target type of region with that of root decoder

Now, the target type of region is hard-coded to HOSTONLYMEM, because
only type3 expanders are supported.  To support type2 accelerators,
set the target type of region root decoder with that of the root
decoder.

Signed-off-by: "Huang, Ying" <ying.huang@...el.com>
Suggested-by: Dan Williams <dan.j.williams@...el.com>
Cc: Davidlohr Bueso <dave@...olabs.net>
Cc: Jonathan Cameron <jonathan.cameron@...wei.com>
Cc: Dave Jiang <dave.jiang@...el.com>
Cc: Alison Schofield <alison.schofield@...el.com>
Cc: Vishal Verma <vishal.l.verma@...el.com>
Cc: Ira Weiny <ira.weiny@...el.com>
Cc: Alejandro Lucero <alucerop@....com>
---
 drivers/cxl/core/region.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 21ad5f242875..9a483c8a32fd 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2545,7 +2545,8 @@ static struct cxl_region *__create_region(struct cxl_root_decoder *cxlrd,
 		return ERR_PTR(-EBUSY);
 	}
 
-	return devm_cxl_add_region(cxlrd, id, mode, CXL_DECODER_HOSTONLYMEM);
+	return devm_cxl_add_region(cxlrd, id, mode,
+				   cxlrd->cxlsd.cxld.target_type);
 }
 
 static ssize_t create_pmem_region_store(struct device *dev,
-- 
2.39.2