From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: Re: [PATCH V3 1/4] clk: tegra: mark fuse clock as critical Date: Wed, 8 Jan 2020 12:59:49 +0100 Message-ID: <20200108115949.GA1993114@ulmo> References: <20191003205033.98381-1-swarren@wwwdotorg.org> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8777011363908664921==" Return-path: In-Reply-To: <20191003205033.98381-1-swarren@wwwdotorg.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Stephen Warren Cc: Prashant Gaikwad , Stephen Boyd , Peter De Schrijver , linux-clk@vger.kernel.org, Jonathan Hunter , linux-tegra@vger.kernel.org, Michael Turquette , linux-arm-kernel@lists.infradead.org List-Id: linux-tegra@vger.kernel.org --===============8777011363908664921== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fdj2RfSjLxBAspz7" Content-Disposition: inline --fdj2RfSjLxBAspz7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Thu, Oct 03, 2019 at 02:50:30PM -0600, Stephen Warren wrote: > From: Stephen Warren >=20 > For a little over a year, U-Boot on Tegra124 has configured the flow > controller to perform automatic RAM re-repair on off->on power transitions > of the CPU rail1]. This is mandatory for correct operation of Tegra124. > However, RAM re-repair relies on certain clocks, which the kernel must > enable and leave running. The fuse clock is one of those clocks. Mark this > clock as critical so that LP1 power mode (system suspend) operates > correctly. >=20 > [1] 3cc7942a4ae5 ARM: tegra: implement RAM repair >=20 > Reported-by: Jonathan Hunter > Cc: stable@vger.kernel.org > Signed-off-by: Stephen Warren > --- > v3: Added comment to the clock table entry indicating why the clock is > critical. > v2: Set CRITICAL flag on the clock, rather than enabling it in > tegra124_init_table[]. > --- > drivers/clk/tegra/clk-tegra-periph.c | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-) Applied to for-5.6/clk, thanks. Thierry --fdj2RfSjLxBAspz7 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl4VxDMACgkQ3SOs138+ s6F6PhAAlrIuajL3DdiqYncmRYYV7/TjqJxFw2VwBy9bhCisUem0d4zjoIWBl90E 0smLovIXi5278XwG2zdZAtPqA58tKy6xybLzZRez0CY3ACghUSPnfxC6fLH0EMpj QecOh6LeN6mKkf0EtM810FDRTh+k2YJciaFGV7l5lz+d6qmxEPGeawy81VbnVNyB F16b9sCYjzqPlEbz/UxySc/b6hD7po6+MBguko8kb6xXs0beKRiKVQ7hJxuOUA2F RhR1h1amdCArtcqRwWIgTGhS+e+M2sMssv/JCywjBGhm9yMjI6hPffyKkawCoLJD GUBbV2cnt3ucR1DxmWnnkm1Vks577M11PDro+7V4FM0qWMBsLysO4t2uq2QlkHpk 2tAhMt7X0VvSqtG7pO8aUteCezY+JPck26XOhMuzCVR/ByaaIVi2gEFOzwOezgDy YuyAa0zL1oB92AjsaTwtgZ7jIULmUox+kEt2IwEJJcDesOGOmTDfsvZTWiXsJe0K JfhmAsU3jnFHUkgUCATa6gSuZJiFhcfY1pPJoZ2GJDtEHDP0DTF63WDJDDqM/i8l CTjNIg8dC4MX8wEkZvdZ1VP2Dp/A1zWEl2cppCLX/y5rQFCB8hSyIfYg++KvVN0b whEWoIWUs0tJfDWAFroFO2GLa6B2n2NbzgaEIKl6tTN6A6p7BeY= =zoua -----END PGP SIGNATURE----- --fdj2RfSjLxBAspz7-- --===============8777011363908664921== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8777011363908664921==--