From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Tue, 19 Dec 2017 09:32:28 +0100 From: Maxime Ripard To: Stephen Boyd Cc: Chen-Yu Tsai , Michael Turquette , Philipp Zabel , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, stable@vger.kernel.org Subject: Re: [PATCH] clk: sunxi: sun9i-mmc: Implement reset callback for reset controls Message-ID: <20171219083228.mima36idnmhmogdy@flea.lan> References: <20171218035751.20661-1-wens@csie.org> <20171218210709.GY7997@codeaurora.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="xlp63tevqs6hn3aa" In-Reply-To: <20171218210709.GY7997@codeaurora.org> List-ID: --xlp63tevqs6hn3aa Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Dec 18, 2017 at 01:07:09PM -0800, Stephen Boyd wrote: > On 12/18, Chen-Yu Tsai wrote: > > Our MMC host driver now issues a reset, instead of just deasserting > > the reset control, since commit c34eda69ad4c ("mmc: sunxi: Reset the > > device at probe time"). The sun9i-mmc clock driver does not support > > this, and will fail, which results in MMC not probing. > >=20 > > This patch implements the reset callback by asserting the reset control, > > then deasserting it after a small delay. > >=20 > > Fixes: 7a6fca879f59 ("clk: sunxi: Add driver for A80 MMC config clocks/= resets") > > Cc: # 4.14.x > > Signed-off-by: Chen-Yu Tsai > > --- >=20 > Did you want us to pick this up into clk-fixes? It seems to be > causing MMC to not work for some time? That sounds annoying > enough. That would be great, thanks! Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com --xlp63tevqs6hn3aa Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEE0VqZU19dR2zEVaqr0rTAlCFNr3QFAlo4zpsACgkQ0rTAlCFN r3SE2A/7BIF/Li1M76KA7m6J4BWNuJy54cuS2g7FlOY6yJ6QO4My323MuD6kR+lE hjDIiorVeByjNHbzUayTskyiCBnxCjA6jPj6h6/AALA+61oyWm5iV7MITnaAewOH L/IyN4lWJi2oHt1DQXoCyUYTxxx9WgVIBJp7cs280qyJzlrAAq1c/pIpWxWdIOrl ULAkp1A9SGVDlstJp917sr4w3GEA7fvfx2Bb/irRmKC0qEW6saZVJuIREKypP2jf Q2WEPQ71CZywNs42xmlC1sSyRDYNGCMeMMEwpjXEcZew4yTIHnU8XpxSt023or39 ZO9IU8MTy1vssR0yOrjDlWGzay0Chl9faXfRtsHkImGrZirAWk/YHISkXLxEsbIa Y8EiKI906dbXw1bdusDBUbGkKS1e1GrJ9Gt262cxTWn4a6bRRhANaY2xu/HRCOJ6 hN8WBM3H8eJFTcMUh5t7R3/glT17ybCrYSt1of77zFSdQigDHUzdfXeffkAlyxs7 L4WhdJ7eeXqdj187pPQ+buBrMKq3nhVoxvBXYVN+5uw7b5gqSmCWUA1QJeXFh/+z 9oCI8MO3CAPtqac0Sf080+YPgRZ+sD6sOMcXfN6Pq8vykjp1wRfUk3YFX+Mo1Gwv NGttmx41h7FtH/z770+QRcBdl5GKoUaDKVnyv2NVlmHpwIiJJEQ= =29mZ -----END PGP SIGNATURE----- --xlp63tevqs6hn3aa--