netdev - Re: [PATCH v19 07/22] cxl: allow Type2 drivers to map cxl component regs

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Message-ID: <1ada6169-1ed6-476e-8602-98f53c8ddff1@amd.com>
Date: Mon, 10 Nov 2025 11:28:01 +0000
From: Alejandro Lucero Palau <alucerop@....com>
To: Jonathan Cameron <jonathan.cameron@...wei.com>,
 alejandro.lucero-palau@....com
Cc: linux-cxl@...r.kernel.org, netdev@...r.kernel.org,
 dan.j.williams@...el.com, edward.cree@....com, davem@...emloft.net,
 kuba@...nel.org, pabeni@...hat.com, edumazet@...gle.com,
 dave.jiang@...el.com, Ben Cheatham <benjamin.cheatham@....com>
Subject: Re: [PATCH v19 07/22] cxl: allow Type2 drivers to map cxl component
 regs


On 10/7/25 14:18, Jonathan Cameron wrote:
> On Mon, 6 Oct 2025 11:01:15 +0100
> alejandro.lucero-palau@....com wrote:
>
>> From: Alejandro Lucero <alucerop@....com>
>>
> I'd amend the patch title to
> 	cxl/sfc: Map CXL component regs.
>
> And talk about exports in the description.
>
> Other options are fine but the patch title should indicate
> this is being used by the sfc driver.


Yes. I'll do so.

Thanks


>> Export cxl core functions for a Type2 driver being able to discover and
>> map the device component registers.
>>
>> Use it in sfc driver cxl initialization.
>>
>> Signed-off-by: Alejandro Lucero <alucerop@....com>
>> Reviewed-by: Dan Williams <dan.j.williams@...el.com>
>> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
>> Reviewed-by: Dave Jiang <dave.jiang@...el.com>
>> Reviewed-by: Ben Cheatham <benjamin.cheatham@....com>
>> ---
>>   drivers/cxl/core/pci.c             |  1 +
>>   drivers/cxl/core/port.c            |  1 +
>>   drivers/cxl/core/regs.c            |  1 +
>>   drivers/cxl/cxl.h                  |  7 ------
>>   drivers/cxl/cxlpci.h               | 12 ----------
>>   drivers/cxl/pci.c                  |  1 +
>>   drivers/net/ethernet/sfc/efx_cxl.c | 35 ++++++++++++++++++++++++++++++
>>   include/cxl/cxl.h                  | 19 ++++++++++++++++
>>   include/cxl/pci.h                  | 21 ++++++++++++++++++
>>   9 files changed, 79 insertions(+), 19 deletions(-)
>>   create mode 100644 include/cxl/pci.h