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[2603:6081:7b00:6400:6011:212c:4988:e1af]) by smtp.gmail.com with ESMTPSA id h188-20020a37b7c5000000b006ce622e6c96sm2541492qkf.30.2022.09.14.15.11.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Sep 2022 15:11:28 -0700 (PDT) Date: Wed, 14 Sep 2022 18:11:26 -0400 From: Tom Rini To: Jorge Ramirez-Ortiz Cc: jens.wiklander@linaro.org, oleksandr.suvorov@foundries.io, u-boot@lists.denx.de Subject: Re: [PATCHv5] drivers: tee: i2c: support the NXP SE05x probe errata Message-ID: <20220914221126.GA3311649@bill-the-cat> References: <20220830195645.1070639-1-jorge@foundries.io> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="ZPt4rx8FFjLCG7dd" Content-Disposition: inline In-Reply-To: <20220830195645.1070639-1-jorge@foundries.io> X-Clacks-Overhead: GNU Terry Pratchett X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.6 at phobos.denx.de X-Virus-Status: Clean --ZPt4rx8FFjLCG7dd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 30, 2022 at 09:56:45PM +0200, Jorge Ramirez-Ortiz wrote: > Early instantiation of this I2C device would lock up when being > probed. >=20 > https://www.nxp.com/docs/en/errata/SE050_Erratasheet.pdf > 3.2.2 > In scenarios of detecting I2C ICs on the bus using an empty > I2C frame containing only the address the SE050 will block > the I2C bus. >=20 > Tested on STM32MP1 >=20 > Signed-off-by: Jorge Ramirez-Ortiz > Acked-by: Oleksandr Suvorov This fails causes failure to build on sandbox: https://source.denx.de/u-boot/u-boot/-/jobs/496922#L51 --=20 Tom --ZPt4rx8FFjLCG7dd Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQGzBAABCgAdFiEEGjx/cOCPqxcHgJu/FHw5/5Y0tywFAmMiUYsACgkQFHw5/5Y0 tywRMwv/QvePkxKJz/9o4pgpA51JBmJVcG6Vfnyg4rmFwCNXt3Op4py+zB59ZiBe uNBo3DwAbdW2RJXYSWm84LxsveP6l+/QQq4YlqODxBLkKf3tOeThbMZnY2adBlHx +q6/D7jPT7VP1WeKWzYeQ7TE/1entsqvW4Dg3nCWCjlsxGWM+RKgIKqJpm5lPLRy elc4NSmJYnqc07RbTYQobKyKj3R5GyM/4pp/QmbijaHYPp0G/P+XcBX5ehjyJUdd eh0HT6mTGvaJbcwEIzGd2C7FqxkyOQnRshO498fb52q8k49nMH2k9PS7YIdvkUXD VGx/t2+LLFloUeFNkM/ko/wWWgnDAEhceAkjnV5Qw+tXTJj2wgGdAwrALJjNv1g7 A8u68RcEJsXqW13LCvFsfzv+zTiwjb5vRSpYBeygfQ0U00Mb7edfUldO2pFqtFe5 1L68qGdxdRxUx+QuW8HOiTXpVwo8vbt2DpsiavwvPaw+pXrcWdpgb5dRBWWgU0Ua N3xgTQrK =9aDb -----END PGP SIGNATURE----- --ZPt4rx8FFjLCG7dd--