linux-kernel - Re: [PATCH V6 12/18] cxl/region: Add devm_cxl_pmem_add

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Message-ID: <20260123123917.00006d92@huawei.com>
Date: Fri, 23 Jan 2026 12:39:17 +0000
From: Jonathan Cameron <jonathan.cameron@...wei.com>
To: Neeraj Kumar <s.neeraj@...sung.com>
CC: <linux-cxl@...r.kernel.org>, <nvdimm@...ts.linux.dev>,
	<linux-kernel@...r.kernel.org>, <gost.dev@...sung.com>,
	<a.manzanares@...sung.com>, <vishak.g@...sung.com>, <neeraj.kernel@...il.com>
Subject: Re: [PATCH V6 12/18] cxl/region: Add devm_cxl_pmem_add_region() for
 pmem region creation

On Fri, 23 Jan 2026 17:01:06 +0530
Neeraj Kumar <s.neeraj@...sung.com> wrote:

> devm_cxl_pmem_add_region() is used to create cxl region based on region
> information scanned from LSA.
> 
> devm_cxl_add_region() is used to just allocate cxlr and its fields are
> filled later by userspace tool using device attributes (*_store()).
> 
> Inspiration for devm_cxl_pmem_add_region() is taken from these device
> attributes (_store*) calls. It allocates cxlr and fills information
> parsed from LSA and calls device_add(&cxlr->dev) to initiate further
> region creation porbes
> 
> Reviewed-by: Dave Jiang <dave.jiang@...el.com>
> Signed-off-by: Neeraj Kumar <s.neeraj@...sung.com>
Reviewed-by: Jonathan Cameron <jonathan.cameron@...wei.com>