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Message-ID: <Zrp343_GAfQsdFvE@fan>
Date: Mon, 12 Aug 2024 14:00:19 -0700
From: Fan Ni <nifan.cxl@...il.com>
To: Huang Ying <ying.huang@...el.com>
Cc: Dan Williams <dan.j.williams@...el.com>,
Dave Jiang <dave.jiang@...el.com>, linux-cxl@...r.kernel.org,
linux-kernel@...r.kernel.org, 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: Re: [PATCH 2/3] cxl: Set target type of region with that of root
decoder
On Mon, Jul 29, 2024 at 04:46:10PM +0800, Huang Ying wrote:
> 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>
> ---
Reviewed-by: Fan Ni <fan.ni@...sung.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
>
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