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=-2.3 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 4E548C4360C for ; Tue, 8 Oct 2019 16:46:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 232452070B for ; Tue, 8 Oct 2019 16:46:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727336AbfJHQqT (ORCPT ); Tue, 8 Oct 2019 12:46:19 -0400 Received: from sauhun.de ([88.99.104.3]:50784 "EHLO pokefinder.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725966AbfJHQqT (ORCPT ); Tue, 8 Oct 2019 12:46:19 -0400 Received: from localhost (p54B3324A.dip0.t-ipconnect.de [84.179.50.74]) by pokefinder.org (Postfix) with ESMTPSA id A39662C07B8; Tue, 8 Oct 2019 18:46:16 +0200 (CEST) Date: Tue, 8 Oct 2019 18:46:16 +0200 From: Wolfram Sang To: Yoshihiro Shimoda Cc: Wolfram Sang , "linux-mmc@vger.kernel.org" , "linux-renesas-soc@vger.kernel.org" , Niklas =?utf-8?Q?S=C3=B6derlund?= , Takeshi Saito Subject: Re: [PATCH] mmc: renesas_sdhi: fix hang up in HS400 timing mode selection Message-ID: <20191008164616.GA2966@kunai> References: <20190917225023.6035-1-wsa+renesas@sang-engineering.com> <20190918082210.GA1379@kunai> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="vkogqOf2sHV7VnPd" Content-Disposition: inline In-Reply-To: <20190918082210.GA1379@kunai> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org --vkogqOf2sHV7VnPd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 18, 2019 at 10:22:10AM +0200, Wolfram Sang wrote: >=20 > > I asked the BSP team about this topic, and then they have a concern abo= ut > > the retune. Since they would like to check whether the software is > > doing tune or not, just tuning situation is lacking on this patch. > > So, if MMC subsystem has such a new flag as "doing_tune" in struct mmc_= host, > > it's helpful for it. (Also, perhaps it's helpful for adding extra quirks > > on this driver in the future). What do you think? >=20 > I understand the concern. I will check this. For the record, I am still working on this. I am currently researching if the hs400_downgrade() function has some relevance to it. However, I wasn't able to trigger the fault condition the last days. Will keep trying... --vkogqOf2sHV7VnPd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAl2cvVMACgkQFA3kzBSg KbY8yBAAmmJaSMM2cXYVqBCIGNGHtPpf0lS6cVlc8ssQWgzIYqPdD5YCMLu1Vd9H KEE+kz2A5dgO0qGQQxdPWVgSAmGo6SbUTiAX2dQFLI1BZZ3S/LygUJstzvtVsBwo aYjen9mJHE6VE3ccs0uoyfkMp5wbohpeWE4mdSIslQSgtKUayYOWQBLs2QfYRwwU X/8mT4GmeUbuz8muU7Vla6HThdP96aKZx1Cw1SDdgY3Jmp2HAPLByT8uBKUR547Z xzdbIE9gmXvpyD4Fn8/m55pwNi7fq1rWMtFTuYyZQApPLBE1wblgbEdrkZC3dn+s +P26qo5+PwWWPupGunS6yEb0gMQauIcy6HcL6jtpNh+Lq2G0nJadp0T9uTlHv+pk YHnoKxCBvYTJngTlkrwrfdA3OOa66zpCzItil26tR+OzGi+vFleEHeBej6iK1+vK V+gGIIIP826AI/7rT+dpw4gIgTbIk+TN1grzPA3VkUG+j8CBnv8fqAbQi3qDALo0 y5VDJ2OVQWIvpuv2uzh62h22YE5t0S4Ue+0UECENgasti1TAmTEaZx20MsbGQ4Qx 8QZxorYDJd8Ij45kjTXO/d7zrTAPdwr2w9MZysEwhhzZfLhJtFoQTQthZ6NUDmlM /zaXTHwWpB7SlOPcBYMMyn0426U0FBR0OPnc1qYDri9uYVBusQs= =seba -----END PGP SIGNATURE----- --vkogqOf2sHV7VnPd--