Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:18 as permitted sender) client-ip=2620:137:e000::1:18;
Date:   Wed, 30 Mar 2022 13:09:17 +0200
From:   Wolfram Sang <wsa+renesas@sang-engineering.com>
To:     Eugeniu Rosca <erosca@de.adit-jv.com>,
        Andrew Gabbasov <andrew_gabbasov@mentor.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        linux-renesas-soc@vger.kernel.org, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Bhuvanesh Surachari <bhuvanesh_surachari@mentor.com>,
        Eugeniu Rosca <roscaeugeniu@gmail.com>
Subject: Re: [PATCH v2] i2c: rcar: add SMBus block read support
Message-ID: <YkQ6XRITOFZ7hLXV@shikoro>
Mail-Followup-To: Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Eugeniu Rosca <erosca@de.adit-jv.com>,
        Andrew Gabbasov <andrew_gabbasov@mentor.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        linux-renesas-soc@vger.kernel.org, linux-i2c@vger.kernel.org,
        linux-kernel@vger.kernel.org,
        Bhuvanesh Surachari <bhuvanesh_surachari@mentor.com>,
        Eugeniu Rosca <roscaeugeniu@gmail.com>
References: <20210922160649.28449-1-andrew_gabbasov@mentor.com>
 <CAMuHMdVVDpBAQR+H1TAnpf65aVbAL0Mm0km7Z9L7+1JuF6n1gQ@mail.gmail.com>
 <000001d7badd$a8512d30$f8f38790$@mentor.com>
 <20211006182314.10585-1-andrew_gabbasov@mentor.com>
 <Yg6ls0zyTDe7LQbK@kunai>
 <20220323215229.GA9403@lxhi-065>
 <YkQ31VMqj1MXqBd3@shikoro>
MIME-Version: 1.0
Content-Type: multipart/signed; micalg=pgp-sha512;
        protocol="application/pgp-signature"; boundary="NFnIUwuWfjpA7uSJ"
Content-Disposition: inline
In-Reply-To: <YkQ31VMqj1MXqBd3@shikoro>
Precedence: bulk


--NFnIUwuWfjpA7uSJ
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable


BTW...

> > ############################################################
> > ##################### WOLFRAM'S PATCH ######################
> > ############################################################
> > root@rcar-gen3:# i2cget -y 4 0x68 0 i 8
> > 0x08 0xff 0x06 0xff 0x5f 0xff 0x11 0x08

=2E.. for further tests I think the last parameter should be "i 9" here...

> >=20
> > root@rcar-gen3:# i2cget -y 4 0x68 0 s
> > 0xff 0x06 0xff 0x5f 0xff 0x11 0x08 0x08

=2E.. to see if these 8 bytes match the last 8 bytes from above. The first
byte from above is returned internally as the length. It is not a data
byte.


--NFnIUwuWfjpA7uSJ
Content-Type: application/pgp-signature; name="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=pTZL
-----END PGP SIGNATURE-----

--NFnIUwuWfjpA7uSJ--