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Wed, 2 Jun 2021 01:22:13 -0700 (PDT) Received: from gallifrey.ext.pengutronix.de ([2001:67c:670:201:5054:ff:fe8d:eefb] helo=bjornoya.blackshift.org) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1loM8X-0003nT-1Z; Wed, 02 Jun 2021 10:22:01 +0200 Received: from [IPv6:2a03:f580:87bc:d400:8109:88a4:5a9e:5858] (unknown [IPv6:2a03:f580:87bc:d400:8109:88a4:5a9e:5858]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mkl@blackshift.org", Issuer "StartCom Class 1 Client CA" (not verified)) (Authenticated sender: mkl@blackshift.org) by smtp.blackshift.org (Postfix) with ESMTPSA id 0981C6313FC; Wed, 2 Jun 2021 08:21:58 +0000 (UTC) To: Stephen Boyd , "Peng Fan (OSS)" , mturquette@baylibre.com Cc: Peng Fan , linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jerome Brunet References: <20210528113403.5374-1-peng.fan@oss.nxp.com> <162262192433.4130789.1017942859005253343@swboyd.mtv.corp.google.com> From: Marc Kleine-Budde Autocrypt: addr=mkl@pengutronix.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <162262192433.4130789.1017942859005253343@swboyd.mtv.corp.google.com> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="cFVLEHJDBnnjehn5GHbmpQcnmwXypxQ20" X-SA-Exim-Connect-IP: 2001:67c:670:201:5054:ff:fe8d:eefb X-SA-Exim-Mail-From: mkl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --cFVLEHJDBnnjehn5GHbmpQcnmwXypxQ20 Content-Type: multipart/mixed; boundary="BHRbHOwCUuEMRaF53hYNHWbyGkDILCPoD"; protected-headers="v1" From: Marc Kleine-Budde To: Stephen Boyd , "Peng Fan (OSS)" , mturquette@baylibre.com Cc: Peng Fan , linux-kernel@vger.kernel.org, kernel@pengutronix.de, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Jerome Brunet Message-ID: Subject: Re: [PATCH 0/3] clk: support regmap References: <20210528113403.5374-1-peng.fan@oss.nxp.com> <162262192433.4130789.1017942859005253343@swboyd.mtv.corp.google.com> In-Reply-To: <162262192433.4130789.1017942859005253343@swboyd.mtv.corp.google.com> --BHRbHOwCUuEMRaF53hYNHWbyGkDILCPoD Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 6/2/21 10:18 AM, Stephen Boyd wrote: > Quoting Peng Fan (OSS) (2021-05-28 04:34:00) >> From: Peng Fan >> >> To i.MX8ULP, a PCC register provides clk(mux, gate, divider) and perip= heral >> reset functionality, so we need make sure the access to the PCC regist= er >> be protected to avoid concurrent access from clk and reset subsystem. >> >> So let's use regmap here. >> >> The i.MX specific code will be posted if this patchset is ok for you. >=20 > We have a couple regmap clk drivers in the tree. Either combine the > different regmap clk drivers or duplicate it into the imx directory. I'= d > prefer we combine them but last time I couldn't agree on the approach > when Jerome wanted to do it. Maybe now is the time to combine them all > into one common piece of code. IMHO for the basic drivers, such as gate, divider, mux, mux-div, etc... i= t makes no sense to have them in an arch specific subdir, like meson. regards, Marc --=20 Pengutronix e.K. | Marc Kleine-Budde | Embedded Linux | https://www.pengutronix.de | Vertretung West/Dortmund | Phone: +49-231-2826-924 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | --BHRbHOwCUuEMRaF53hYNHWbyGkDILCPoD-- --cFVLEHJDBnnjehn5GHbmpQcnmwXypxQ20 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAmC3P6IACgkQqclaivrt 76lkpAf+OhxW2vQKiNkaPNLD7nIPintvY8xKkTT8etJ1PW4yETfq5bH6t/vgO4XF tXF6E86rRtEPFL4cQCUThljVh0RbYk79dIb9XTaZtF1w81KASgGTAr86I65IM97E NTpNmsZDon2+6ZiGV19TlsjXZKBW3b2jWGMT26gE3dRmWqSYp21czFnt4npbpPTT PVRotVAppY+W+gLTXCbtcCaFM1+7sujs2Nh5zvZ3+9z4W9L2z5uMFPNlv3l4kpS0 3rTt00bF9CtVK/59vgDqs24GcHtVeBSIu7hWnABdaaOmBpvZZVkJKiZU4BwcJBvy FtmQCsHNKGcgpOeH174g1JixvX8Lnw== =tKxh -----END PGP SIGNATURE----- --cFVLEHJDBnnjehn5GHbmpQcnmwXypxQ20--