From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 79D42C0650F for ; Mon, 5 Aug 2019 14:41:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 572F32075B for ; Mon, 5 Aug 2019 14:41:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728680AbfHEOlQ (ORCPT ); Mon, 5 Aug 2019 10:41:16 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:57874 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728149AbfHEOlQ (ORCPT ); Mon, 5 Aug 2019 10:41:16 -0400 Received: by atrey.karlin.mff.cuni.cz (Postfix, from userid 512) id 1925F80258; Mon, 5 Aug 2019 16:41:01 +0200 (CEST) Date: Mon, 5 Aug 2019 16:41:12 +0200 From: Pavel Machek To: Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Douglas Anderson , Heiko Stuebner , Sasha Levin Subject: Re: [PATCH 4.19 02/74] ARM: dts: rockchip: Make rk3288-veyron-minnie run at hs200 Message-ID: <20190805144112.GA24265@amd> References: <20190805124935.819068648@linuxfoundation.org> <20190805124936.029458352@linuxfoundation.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="u3/rZRmxL6MmkK24" Content-Disposition: inline In-Reply-To: <20190805124936.029458352@linuxfoundation.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org --u3/rZRmxL6MmkK24 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > [ Upstream commit 1c0479023412ab7834f2e98b796eb0d8c627cd62 ] >=20 > As some point hs200 was failing on rk3288-veyron-minnie. See commit > 984926781122 ("ARM: dts: rockchip: temporarily remove emmc hs200 speed > from rk3288 minnie"). Although I didn't track down exactly when it > started working, it seems to work OK now, so let's turn it back on. >=20 > To test this, I booted from SD card and then used this script to > stress the enumeration process after fixing a memory leak [1]: > cd /sys/bus/platform/drivers/dwmmc_rockchip > for i in $(seq 1 3000); do > echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D" $i > echo ff0f0000.dwmmc > unbind > sleep .5 > echo ff0f0000.dwmmc > bind > while true; do > if [ -e /dev/mmcblk2 ]; then > break; > fi > sleep .1 > done > done >=20 > It worked fine. This may not be suitable for stable. So... hs200 started working in mainline sometime. That does not mean it was fixed in all the various stable trees, too. How was this tested in respective -stable releases? > [1] https://lkml.kernel.org/r/20190503233526.226272-1-dianders@chromium.o= rg >=20 > Signed-off-by: Douglas Anderson > Signed-off-by: Heiko Stuebner > Signed-off-by: Sasha Levin Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --u3/rZRmxL6MmkK24 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAl1IQAgACgkQMOfwapXb+vK1+QCgiyrLP+CFhxZyPjkd07+ydxDL 1JoAn32DOjyKCEJYQQw6DB1POy3fJyRj =+EKd -----END PGP SIGNATURE----- --u3/rZRmxL6MmkK24--