From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A1FCF2FBE02; Tue, 11 Nov 2025 11:46:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762861614; cv=none; b=qz7woJVkUh2EoanLsQPvIPEL6I5Ud3nHMEOv4lTKftyLnrsrO8eDEEsSBZfOXsBeFLvertLNanO5C0YPEaU4bui+2X6JWeLSMxUfmc7RH7+JRG4paqY55ekSe/OFvFORVVsxjOpzb1ga1cuOPx/8p8/lfxy0hv8066y2UMJOTuw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762861614; c=relaxed/simple; bh=rbNJbwQaBcRf4KNiq9G/qg/S5qDVdWHZCk623jvQNEs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=cAOCe69wduJljLVbAi5rr3xx0801qXtiwgy8dD9Ni1jQXlzWYwXkUDPnSwtAlxYA+kacJkaET59dfGRdd05v7k/Q2cnf92kBy0IiG0lvFAVjlCeTfB9wv4oBoPOXu1ayrRhs2lSr3wYgtmfdKr8GTScH0iVjRorsA7AC9O5LuGM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jL8GcXI1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="jL8GcXI1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 85A76C116D0; Tue, 11 Nov 2025 11:46:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762861614; bh=rbNJbwQaBcRf4KNiq9G/qg/S5qDVdWHZCk623jvQNEs=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=jL8GcXI1ItZe32CT+KBn/kcGiBK5XTxl56y0yOPgqp1VB5uPY3YVkQzBqryEom4Us 6Zwh3BEgMVaSc8DUKiUAUELh4nvvhMOmCVTWZ+cOnEpbQcRuv9WkyU70Uk4XEnxLlB xiWDE5OqCwBfefOHM45rBf+DAahj7rPIakb7ufLw8LXDYSMe3dzCtP1vlHFpWNP35h EOBj9Ht2Jld0TP5FzfhsLwhUY0qTyinhetCtip7kJXUQAKd3XLAY8ZVbxyBxhCAQDJ jbnmpYMlQXOFD8r1i5+LCNL4sPnNZpeKWR2yTnMEz8qp3dUyp4Ozv1BCQw5VX7zArq q6mwlVg36qVaA== Message-ID: <13bf4434-13a1-4db0-8bcf-4c52edaa68f3@kernel.org> Date: Tue, 11 Nov 2025 05:46:51 -0600 Precedence: bulk X-Mailing-List: linux-edac@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2] EDAC/altera: Use INTTEST register for Ethernet and USB SBE injection To: niravkumarlaxmidas.rabara@altera.com, bp@alien8.de, tony.luck@intel.com Cc: linux-edac@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20251111081333.1279635-1-niravkumarlaxmidas.rabara@altera.com> Content-Language: en-US From: Dinh Nguyen In-Reply-To: <20251111081333.1279635-1-niravkumarlaxmidas.rabara@altera.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/11/25 02:13, niravkumarlaxmidas.rabara@altera.com wrote: > From: Niravkumar L Rabara > > The current single-bit error injection mechanism flips bits directly in > ECC RAM by performing write and read operations. When the ECC RAM is > actively used by the Ethernet or USB controller, this approach sometimes > trigger a false double-bit error. > > Switch both Ethernet and USB EDAC devices to use the INTTEST register > (altr_edac_a10_device_inject_fops) for single-bit error injection, > similar to the existing double-bit error injection method. > > Fixes: 064acbd4f4ab ("EDAC, altera: Add Stratix10 peripheral support") > Cc: stable@vger.kernel.org > Signed-off-by: Niravkumar L Rabara > --- > > v2 changes: > - Add missing Cc tag > > v1 link: > https://lore.kernel.org/all/20251101051723.917688-1-niravkumarlaxmidas.rabara@altera.com/ > > drivers/edac/altera_edac.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/edac/altera_edac.c b/drivers/edac/altera_edac.c > index 103b2c2eba2a..5c5d4585d8ae 100644 > --- a/drivers/edac/altera_edac.c > +++ b/drivers/edac/altera_edac.c Acked-by: Dinh Nguyen