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 CCD024315A; Mon, 23 Jun 2025 21:41:17 +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=1750714877; cv=none; b=Sn6mfGIRAUdQN2Tbt/QeKR2ulrsosCx3+DshZmXSdxBzj52EkOftHTOBxvSkkdY2I5k9BKuIPkReXAgXFmI2UyfVHPdLTaYgHhEKvKzzeSCtiW90gBaOk6OZG48VoWtRWM3w7eNVeNPn4CDDIPR6vnBB9QUgjm2z7BYFv5rjv10= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750714877; c=relaxed/simple; bh=vPDLesdtCiXjDFmz0pN+3qFR8CFFQ+Y2EDhlmw1WCtQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gTt9/+azfRlKsQZ8lrFgpVmvfXa9pkCJRQyr9GoYPrBIARNHs+VvcQp0kxQr+D4dXk89FDAp+QmPsvZuZjiKGHhSx2r4B/Fx3omq46WhTCi4ObvOpRpQhEB4iDGHbXmwh1w/As5WxfVT7A2v3i3mEPh31yUZGG/rGA4tKf8mdFk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=wzE8KkZZ; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="wzE8KkZZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 66B43C4CEEA; Mon, 23 Jun 2025 21:41:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1750714877; bh=vPDLesdtCiXjDFmz0pN+3qFR8CFFQ+Y2EDhlmw1WCtQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=wzE8KkZZyqrCwrkHl9i48KX8V1NQj0KlSrKNHIwWrrLhL73z0NE4Zgm0gJ+xQikSH SRRWZAdtwI9Lklp+kN07khcztGCbe9RrOxZ7eyyQpIDqvfoS8PgFwqOJ3kyv0qUD11 MeazrmYYENZXRw+dPWbyuOCdxMeBXvYuuJRNeQMg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Niravkumar L Rabara , Matthew Gerlach , "Borislav Petkov (AMD)" , Dinh Nguyen , stable@kernel.org Subject: [PATCH 5.15 235/411] EDAC/altera: Use correct write width with the INTTEST register Date: Mon, 23 Jun 2025 15:06:19 +0200 Message-ID: <20250623130639.571799860@linuxfoundation.org> X-Mailer: git-send-email 2.50.0 In-Reply-To: <20250623130632.993849527@linuxfoundation.org> References: <20250623130632.993849527@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 5.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Niravkumar L Rabara commit e5ef4cd2a47f27c0c9d8ff6c0f63a18937c071a3 upstream. 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. [ bp: AI-massage the commit message. ] Fixes: c7b4be8db8bc ("EDAC, altera: Add Arria10 OCRAM ECC support") Signed-off-by: Niravkumar L Rabara Signed-off-by: Matthew Gerlach Signed-off-by: Borislav Petkov (AMD) Acked-by: Dinh Nguyen Cc: stable@kernel.org Link: https://lore.kernel.org/20250527145707.25458-1-matthew.gerlach@altera.com Signed-off-by: Greg Kroah-Hartman --- drivers/edac/altera_edac.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) --- a/drivers/edac/altera_edac.c +++ b/drivers/edac/altera_edac.c @@ -1718,9 +1718,9 @@ altr_edac_a10_device_trig(struct file *f local_irq_save(flags); if (trig_type == ALTR_UE_TRIGGER_CHAR) - writel(priv->ue_set_mask, set_addr); + writew(priv->ue_set_mask, set_addr); else - writel(priv->ce_set_mask, set_addr); + writew(priv->ce_set_mask, set_addr); /* Ensure the interrupt test bits are set */ wmb(); @@ -1750,7 +1750,7 @@ altr_edac_a10_device_trig2(struct file * local_irq_save(flags); if (trig_type == ALTR_UE_TRIGGER_CHAR) { - writel(priv->ue_set_mask, set_addr); + writew(priv->ue_set_mask, set_addr); } else { /* Setup read/write of 4 bytes */ writel(ECC_WORD_WRITE, drvdata->base + ECC_BLK_DBYTECTRL_OFST);