linux-kernel - Re: [PATCH] EDAC/altera: Use correct width with writes to INTTEST register.

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Message-ID: <20250529154146.GDaDiAOlkiHTwlgE0L@fat_crate.local>
Date: Thu, 29 May 2025 17:41:46 +0200
From: Borislav Petkov <bp@...en8.de>
To: Matthew Gerlach <matthew.gerlach@...era.com>
Cc: dinguyen@...nel.org, tony.luck@...el.com, james.morse@....com,
	mchehab@...nel.org, rric@...nel.org, tthayer@...nsource.altera.com,
	linux-edac@...r.kernel.org, linux-kernel@...r.kernel.org,
	Niravkumar L Rabara <niravkumar.l.rabara@...el.com>,
	stable@...nel.org
Subject: Re: [PATCH] EDAC/altera: Use correct width with writes to INTTEST
 register.

On Tue, May 27, 2025 at 07:57:07AM -0700, Matthew Gerlach wrote:
> From: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>
> 
> On SoCFPGA platform INTTEST register only supports 16-bit write based on
> the HW design, writing 32-bit to INTTEST register triggers SError to CPU.
> Use 16-bit write for INITTEST register.

For the future, please run this text through AI so that it can massage the
formulations into proper English:

    On the SoCFPGA platform, the INTTEST register supports only 16-bit writes.
    A 32-bit write triggers an SError to the CPU so do 16-bit accesses only.

> Fixes: c7b4be8db8bc ("EDAC, altera: Add Arria10 OCRAM ECC support")
> Cc: stable@...nel.org
> Signed-off-by: Niravkumar L Rabara <niravkumar.l.rabara@...el.com>
> Signed-off-by: Matthew Gerlach <matthew.gerlach@...era.com>
> ---
>  drivers/edac/altera_edac.c | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)

Applied, thanks.

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette