linux-kernel - Re: [PATCH 0/2] Remove cxl and cxlflash drivers

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Message-ID: <87y10f2do3.fsf@mpe.ellerman.id.au>
Date: Tue, 17 Dec 2024 14:26:04 +1100
From: Michael Ellerman <mpe@...nel.org>
To: Andrew Donnellan <ajd@...ux.ibm.com>, linuxppc-dev@...ts.ozlabs.org,
 linux-scsi@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, fbarrat@...ux.ibm.com,
 ukrishn@...ux.ibm.com, manoj@...ux.ibm.com, clombard@...ux.ibm.com,
 vaibhav@...ux.ibm.com
Subject: Re: [PATCH 0/2] Remove cxl and cxlflash drivers

Andrew Donnellan <ajd@...ux.ibm.com> writes:
> This series removes the cxl and cxlflash drivers for IBM CAPI devices.
>
> CAPI devices have been out of production for some time, and we're not
> aware of any remaining users who are likely to want a modern kernel.
> There's almost certainly some remaining driver bugs and we don't have much
> hardware available to properly test the drivers any more. Removing these
> drivers will also mean we can get rid of a non-trivial amount of support
> code in arch/powerpc.
>
> Thanks to everyone who's worked on these drivers over the last decade.

It would be good to explain that this only removes support for the
original CAPI interface - not the Power9 "OpenCAPI", which is still
supported by drivers/misc/ocxl.

cheers