From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 F3A243B840E for ; Thu, 24 Sep 2026 02:09:00 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790215742; cv=none; b=sfbKe7bhanFCltXO7qbM9EEFCOmmqfJ/v1eVEq3qCF9OT7/8l8D7IGPgeQ7uZGZe5IqBxckY3SVrPqKn8v/hVwFqRq+ch9inuXVkjoY6RNrYoS9Jmmk2fosXcl/RFWccRqw5HvGW6vP5YFxHn0Pk59fu87zkcKIAc7bML/P2luE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790215742; c=relaxed/simple; bh=6annBgpDe5mXjTb5KKjZkTbcuEH/UguvdVMXW/hWnFY=; h=From:Subject:To:Cc:In-Reply-To:References:Content-Type:Date: Message-Id; b=X2eVIma/SSavGHxbjtiWslMb76/MEf+BfDAhA8ihj4Jrff35d/AjyQpEJT2j49QymNta61alyW+AwjZ/zyCO7EKdhI8FshT4C8qA9EJkU7Lp+kKZi816MfJPklnOShUirvtMbJRR71WLXkr5rtxpyty7ZdZs7IKCSe5ZyF9MBVQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=nt2pcgJL; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="nt2pcgJL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id E61E01F000FF; Thu, 24 Sep 2026 02:08:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1790215740; bh=6annBgpDe5mXjTb5KKjZkTbcuEH/UguvdVMXW/hWnFY=; h=From:Subject:Reply-To:To:Cc:In-Reply-To:References:Date; b=nt2pcgJLVwyRingjroSmBi2F8OIWnld4Bx051CrziTG1U6EL0nyj9Z59nncmwUGwt kQWYpvg0o2rkUmLQkXcpkr5T8poCHbWpb2xbRwlPk5mZao+Hwem7QKe/pQdi3YxIGy BjICrH9YEoLbU8177LUbfE7+zDeJybJgSn0ZviVQ/9x4oU2m1Bz2zw/eM65g/2owf3 dzSHt1xvtMtU8crObojQD3NmYiFcBgXk8JQAjKzYWzOIuDdJu7uKHnBgKzBsC6lZc4 4TFqwpt7Kk/63YTL7Ku6XCnATERYXX3r80G1LZaI+uLMht0/ZiuFzeZqpHbbZFFQhJ pacAWc7Rz0dZg== From: sashiko-bot@kernel.org Subject: Re: [PATCH] PCI: spacemit: Ignore link partner PERST on K1 Reply-To: sashiko-reviews@lists.linux.dev To: "Encrow Thorne" Cc: linux-pci@vger.kernel.org In-Reply-To: <20260924-spacemit-k1-pcie-fix-v1-1-002b5c1ba9fc@linux.spacemit.com> References: <20260924-spacemit-k1-pcie-fix-v1-1-002b5c1ba9fc@linux.spacemit.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Date: Thu, 24 Sep 2026 02:08:59 +0000 Message-Id: <20260924020859.E61E01F000FF@smtp.kernel.org> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: > The K1 PCIe controller and PHY are affected by the PERST signal from > the link partner during initialization. With some devices connected, > this can prevent host initialization from progressing and cause the > system to hang while probing the PCIe controller. >=20 > Set PCIE_IGNORE_PERSTN before accessing the DBI registers. When set, > this bit makes both the PCIe controller and PHY ignore the PERST > signal from the link partner. >=20 > This allows host initialization to complete without being affected by > the link partner's PERST state. >=20 > Signed-off-by: Encrow Thorne Sashiko has reviewed this patch and found no issues. It looks great! --=20 Sashiko AI review =C2=B7 https://sashiko.dev/#/patchset/20260924-spacemit-k= 1-pcie-fix-v1-1-002b5c1ba9fc@linux.spacemit.com?part=3D1