From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH] clk: tegra: Fix clock sources for tegra210 EMC Date: Wed, 13 Jan 2016 18:20:40 +0100 Message-ID: <20160113172040.GS2588@ulmo> References: <1450446328-6414-1-git-send-email-jonathanh@nvidia.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="wxNrNKeE/ptr8Zbn" Return-path: Content-Disposition: inline In-Reply-To: <1450446328-6414-1-git-send-email-jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Jon Hunter Cc: Peter De Schrijver , Prashant Gaikwad , Michael Turquette , Stephen Boyd , Stephen Warren , Alexandre Courbot , Rhyland Klein , linux-clk-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org --wxNrNKeE/ptr8Zbn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Dec 18, 2015 at 01:45:28PM +0000, Jon Hunter wrote: > The EMC clock sources for tegra210 currently incorrectly include pll_c2 > and pll_c3. However, both of these should have been pll_mb as shown in > the TRM. If tegra210 happens to be configured such that the pll_mb is the > default clock for the EMC, as configured by the bootloader, then this will > cause a system hang on boot. This is because the kernel will disable the > pll_mb when disabling unused clock as it appears to be unused when it is > not. >=20 > Also add the additional pll_p clock source for the EMC. >=20 > Signed-off-by: Jon Hunter > --- > drivers/clk/tegra/clk-tegra210.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) Applied, thanks. Thierry --wxNrNKeE/ptr8Zbn Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAABCAAGBQJWlodoAAoJEN0jrNd/PrOhRTEQAI7d8Q0SGrrCsS+a9Y/ckKw4 T8CtuSPbouM0Ts5W1cbtPen4Qu6CHSdQYqPbvD4lqG3n5DsbKvMNFk9GPtk/SS65 NrkdX0sivhtcg6O4MFNEDRVWzVF02h3YDUe+5mQdkjW1Qe7uY3bdsLVNAL7SptCb 07GQG5L+yYI9U33GZbSnT2FZZpYmjAjcOUqM+9Y/D+BNhlCNyBbih8uTsBlK/rIx XdCuN7fsPF8MIqYmDbF3mvjtrEnB8/YjX6v9SxJsKgXLzI+NCbVw3eNEuEaLDWG0 ZapqhGZ5TtO0+ceRQdjLNifge9wlGZNui3tzZlC2U+rFDEzqPcSNMJxnc+S/aX8i HCYe1G6VWTbqmdGS+ML2fV3B7AQw/nz4Go0Ta+lEBUQP+EaxxgBlTIXJjsWzez7r JeCsIOp8iAVoLRs41moqb5DXQJ51SwA7gtgYRH4Nt64tKgma9vHlCVo95g6o7ImO Snr3BKp9zP/QobA8mvAm3PraVQcN3uL+vMPA1J1CCj//ZoS1zt7pBZUI1NixlfGR dCz59sZmh+C9CrdfBybF9vGUY9TWDW/o3XK8/w6PXe84PCt1TK5XeyBZtNp6bTzq fo7KWpQO5tBu4BZxRCajoC8yM4rBZTysUORtovvzEQbWpSLIMpR51eH2naz1vekb M4rZD/S9QhjCuagMeuTM =b8RB -----END PGP SIGNATURE----- --wxNrNKeE/ptr8Zbn--