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Mon, 28 Sep 2020 06:10:12 -0700 (PDT) Date: Mon, 28 Sep 2020 15:10:10 +0200 From: Thierry Reding To: JC Kuo Cc: gregkh@linuxfoundation.org, robh@kernel.org, jonathanh@nvidia.com, kishon@ti.com, linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, nkristam@nvidia.com Subject: Re: [PATCH v3 06/15] phy: tegra: xusb: Add Tegra210 lane_iddq operation Message-ID: <20200928131010.GG3065790@ulmo> References: <20200909081041.3190157-1-jckuo@nvidia.com> <20200909081041.3190157-7-jckuo@nvidia.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="PpAOPzA3dXsRhoo+" Content-Disposition: inline In-Reply-To: <20200909081041.3190157-7-jckuo@nvidia.com> User-Agent: Mutt/1.14.7 (2020-08-29) Precedence: bulk List-ID: X-Mailing-List: linux-tegra@vger.kernel.org --PpAOPzA3dXsRhoo+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Sep 09, 2020 at 04:10:32PM +0800, JC Kuo wrote: > As per Tegra210 TRM, before changing lane assignments, driver should > keep lanes in IDDQ and sleep state; after changing lane assignments, > driver should bring lanes out of IDDQ. > This commit implements the required operations. >=20 > Signed-off-by: JC Kuo > --- > v3: > add 'misc_ctl2' data member to UPHY lane for carrying MISC_PAD_PX_CTL2= offset > tegra210_uphy_lane_iddq_[enable/disable]() to access 'misc_ctl2' data = member > =20 > drivers/phy/tegra/xusb-tegra210.c | 82 ++++++++++++++++++++++++++++--- > drivers/phy/tegra/xusb.c | 6 +++ > drivers/phy/tegra/xusb.h | 6 +++ > 3 files changed, 86 insertions(+), 8 deletions(-) Acked-by: Thierry Reding --PpAOPzA3dXsRhoo+ Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAl9x4LIACgkQ3SOs138+ s6EWnxAAqg2nc6Gb5VPf9jkmreIxzXLFLr8D7F0j8EqfeMHwwQyAC+DiPrs5/Yke 4o58t1xz4d6eLORhGZi+l2rW6bKA9wp0ODjwrTtajzWMik2yqm1GQ7r9S24+yyWB L7CjqvLJPqXjoWSJEHFdTm5YqAYdkYKKz2235Y4HO5Rh1GbbrMmA3YVWA+Ta03h3 rmEyq68UFi56+ESEt3qyTPt+ygydCxY9I3Gpek4GqNXUTJuBChYDEUtToeyhWA78 nnMd5ay8IkJiiTbiCU7YFF0hruExZs37twH60SzhZRT+8ADtcvc9dzXccgDOa37u n0HJhy4uVbubHGbCIuDZ7cuUB3cmgbZ5XUcc+Qt13GbGtD2mB9fb0hceD8dmBOu/ sI9VsSjBV5t6g5ETigzIaLerqRwax7kIoQRSQER4YdveJWKCj9o4roQVTwPDclNm v55LwmZ5ciDuJoqGDDlu23ZUkDtM6zsBLwmUG2tgT1WldU8aVlL1T5IBEEnFP/fI u7bvX88aoCqoosn5JkgRcgxY0pOHf/BtD2FKis0sCM5hstNzKpvmbmzXlyu0LVRq Nw73QhZS2fG8qq/y17Yl/CQyZ8YYxjddXO7VlbN+MNVB9ucPsqrWULgVBa9d9Yp6 1EqQwbhu8KJ1LXA9YTKQv8JMUQsi1Yg6hqEEjZV1ivWoy4x1AVw= =M5t/ -----END PGP SIGNATURE----- --PpAOPzA3dXsRhoo+--