From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfram Sang Subject: Re: [PATCH v2 2/9] mmc: tmio, sh_mobile_sdhi: Add support for variable input clock frequency Date: Sun, 17 Apr 2016 14:49:03 +0200 Message-ID: <20160417124902.GB4954@katana> References: <1459525479-20842-1-git-send-email-wsa@the-dreams.de> <1459525479-20842-3-git-send-email-wsa@the-dreams.de> <1460477978.32355.14.camel@codethink.co.uk> <20160415202803.GA3105@katana> <20160415204156.GB3105@katana> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="V0207lvV8h4k8FAm" Return-path: Content-Disposition: inline In-Reply-To: <20160415204156.GB3105@katana> Sender: linux-renesas-soc-owner@vger.kernel.org To: Ben Hutchings Cc: Geert Uytterhoeven , Linux MMC List , linux-renesas-soc@vger.kernel.org List-Id: linux-mmc@vger.kernel.org --V0207lvV8h4k8FAm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Apr 15, 2016 at 10:41:57PM +0200, Wolfram Sang wrote: > > > That seems like a bug in the clock driver. If it doesn't have > > > independent dividers for each clock client then it shouldn't allow any > > > client to change the frequency. >=20 > So, we need MSTP clocks which do not use CLK_SET_RATE_PARENT on r8a7740. > Probably the best way is to use the "renesas,r8a7740-mstp-clocks" > compatible entry to determine the difference? Geert? Well, I like the idea of a virtual sd clock even better. I sent a series doing that a minute ago to the renesas-soc list. --V0207lvV8h4k8FAm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJXE4Y+AAoJEBQN5MwUoCm2WNcP/jcJQo23S2UFgarPvsWvVReS NIw8dCQ+Gxcw/iR9s0te0xUvNX8bKpNtD6ng5bNH4+F8KcKzxWDDF5Wm8/KcvZ69 VJDfPs4AnFCnT8vrfz+sdJOwXn6k+NifdvVaKfQrdHyv6XuCyB4i6bJm1QkTlWvM eWTLQN9m2eR8T0G9z6G+3rllKNUd1VTptqm55UM3ww2gDI7Egkp1kI2UDBppdApl QrtOtg3LlQjSunJ3g4vd+RJADShLmHplkGj/5DeT3x/77TpL/MsDtn1s00sipJQi G7zk/2etvUuiVewYeG6I37k7cAQahUErd9KzlrrZTdwM+jac7pY+sMAvo9rtjY4F OAv7KYrDCvvnfM3kmUTV/Q6okEexKN4tkr4eGU++UK21NMYR07DxwQlzaFK6IyJ3 IWvY1ZffQ/jgG31KtHZ9DNgEpgD12xgJ3vsq7LVa9Q05VGcqezRjajahkl3PKG0s AeSrJv0MSbhVrdEfmgwd6UGe3h/VfVJM5N36PA/WTajin1zyXz/+JCkypZjqWJZr HIK1fwD42p1y5PNkaB8PF/485THVC6CHevle/807blvLIDegNo97tfXdUoUQSYBk TerfkACXr9+YELOpPr20kfpHIS84R+IyQFBKESp2Ow41v/xK0O0onvS50aZHZQrI 5m1JVhA1SSkgF5x+ZiJT =StmS -----END PGP SIGNATURE----- --V0207lvV8h4k8FAm--