From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH v2 7/9] mmc: sh_mobile_sdhi: Add UHS-I mode support Date: Mon, 4 Apr 2016 17:17:09 +0200 Message-ID: <20160404151708.GF2983@katana> References: <1459525479-20842-1-git-send-email-wsa@the-dreams.de> <1459525479-20842-8-git-send-email-wsa@the-dreams.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="4VrXvz3cwkc87Wze" Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-renesas-soc-owner@vger.kernel.org To: Ulf Hansson Cc: linux-mmc , linux-renesas-soc@vger.kernel.org, Ben Hutchings List-Id: linux-mmc@vger.kernel.org --4VrXvz3cwkc87Wze Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable > > + usleep_range(5000, 5500); >=20 > Why do you need this delay/sleep? My datasheet says to wait at least 5ms before re-enabling the clock after a voltage switch... Ah, found it in the core. It is doing it for 10ms. Maybe my search pattern was not fuzzy enough ;) Okay, so this delay can go. --4VrXvz3cwkc87Wze Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXAoV0AAoJEBQN5MwUoCm2r2kQAKzJMIkQHOaQVl+RoGoZjy4z cpc/7ldY5WuOMd4U/Q0CV1XVMuxGbWzjVoVmGes6JK9PzTVLoR1jUh+WO0fZHqlL ETPo80ZI1VQM4ozw4PjXdNA1z1CD1ZUDzzvNw/XByqNXpsUdd52wVzXpf5bSi6Z4 YE1Lw0bqx+ctRGPoOQRgsyBK+dleBhTPQE2aj657REtXZfarAKabkWUW176XmefQ uBIG9cSbQD1DHlT1eDbtXcnMYm5uFuY+C64jfzF5QT07UZv6AZrutLfjT40Bxr6Q nWJuQp+836QuPyJ3kz9E83UQayMXpCfJz+Ox1HF59gaJY94H/e1YzkPIJCz4tqGK 2zi6o3DsoT8JyV02yEOWEHA76uZJqwbHyi7CfIc9Y/+wSZ4bN/LUH08RTAMKcfij f2H9j/Hr9KDdIWsiGA+/RHabVVyUK40eMS+nmG4cF66WPbY5T+IFJRYCymxSO1PQ MJJKeiKGSfmhCBbL5VRwCbcxpNmfGjeqiit8063eOAxobZ4UZzdLv7i0UEKvG/CL RRvq5Thp65HGpc3AMBLFMOP3kTR4tR4bQP68IUpM37eXC0ts1vqNieJzQJkMOqqe OuWCSQ7DKXo7A2lytNpNUxY+HBFSdND/Qyk3HFJGZGdKqp6EzJX9IvbiMR75AyRb WC4Ig9r4y3jnv9kQHa9T =6Q8a -----END PGP SIGNATURE----- --4VrXvz3cwkc87Wze--