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From: "Dan Williams (nvidia)" <djbw@kernel.org>
To: alejandro.lucero-palau@amd.com,  linux-cxl@vger.kernel.org,
	 netdev@vger.kernel.org,  djbw@kernel.org,  edward.cree@amd.com,
	 davem@davemloft.net,  kuba@kernel.org,  pabeni@redhat.com,
	 edumazet@google.com,  dave.jiang@intel.com
Cc: Alejandro Lucero <alucerop@amd.com>,
	 Dan Williams <dan.j.williams@intel.com>,
	 Ben Cheatham <benjamin.cheatham@amd.com>,
	 Jonathan Cameron <Jonathan.Cameron@huawei.com>
Subject: Re: [PATCH v27 3/5] cxl/sfc: Initialize dpa without a mailbox
Date: Tue, 09 Jun 2026 16:24:51 -0700	[thread overview]
Message-ID: <6a28a0c349c9b_4fa7810099@djbw-dev.notmuch> (raw)
In-Reply-To: <20260609215755.8685-4-alejandro.lucero-palau@amd.com>

alejandro.lucero-palau@ wrote:
> From: Alejandro Lucero <alucerop@amd.com>
> 
> Type3 relies on mailbox CXL_MBOX_OP_IDENTIFY command for initializing
> memdev state params which end up being used for DPA initialization.
> 
> Allow a Type2 driver to initialize DPA simply by giving the size of its
> volatile hardware partition.
> 
> Move related functions to memdev.

The code movement is not strictly necessary. Just add cxl_set_capacity()
and we can consider a move later if mbox.o and memdev.o are ever not
both included in cxl_core.o by default.

> Add sfc driver as the client.
> 
> Signed-off-by: Alejandro Lucero <alucerop@amd.com>
> Reviewed-by: Dan Williams <dan.j.williams@intel.com>
> Reviewed-by: Dave Jiang <dave.jiang@intel.com>
> Reviewed-by: Ben Cheatham <benjamin.cheatham@amd.com>
> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
[..]
> +/**
> + * cxl_set_capacity: initialize dpa by a driver without a mailbox.
> + *
> ++ * @cxlds: pointer to cxl_dev_state

Stray "+"?

  reply	other threads:[~2026-06-09 23:24 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-06-09 21:57 [PATCH v27 0/5] Type2 device basic support alejandro.lucero-palau
2026-06-09 21:57 ` [PATCH v27 1/5] sfc: add cxl support alejandro.lucero-palau
2026-06-09 21:57 ` [PATCH v27 2/5] cxl/sfc: Map cxl regs alejandro.lucero-palau
2026-06-09 21:57 ` [PATCH v27 3/5] cxl/sfc: Initialize dpa without a mailbox alejandro.lucero-palau
2026-06-09 23:24   ` Dan Williams (nvidia) [this message]
2026-06-09 21:57 ` [PATCH v27 4/5] sfc: obtain and map cxl range using devm_cxl_probe_mem alejandro.lucero-palau
2026-06-09 21:58   ` Dave Jiang
2026-06-09 23:30   ` Dan Williams (nvidia)
2026-06-09 21:57 ` [PATCH v27 5/5] sfc: support pio mapping based on cxl alejandro.lucero-palau
2026-06-09 22:18   ` Dave Jiang

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