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Wed, 16 Sep 2020 05:01:27 -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 1kIW7j-0004DH-IF; Wed, 16 Sep 2020 14:01:19 +0200 Received: from [IPv6:2a03:f580:87bc:d400:8d0c:cfd0:3f99:a545] (unknown [IPv6:2a03:f580:87bc:d400:8d0c:cfd0:3f99:a545]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits)) (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 56FC15619CF; Wed, 16 Sep 2020 12:01:17 +0000 (UTC) Subject: Re: canfdtest on flexcan loopback To: Vladimir Oltean Cc: wg@grandegger.com, pankaj.bansal@nxp.com, pankaj.bansal@oss.nxp.com, linux-can@vger.kernel.org, qiangqing.zhang@nxp.com, linux-kernel@vger.kernel.org, vladimir.oltean@nxp.com References: <20200916110154.hp4up6yhyokduvf2@skbuf> <20200916110448.dsla6vjzy4fvdr22@skbuf> <12688d2b-a198-ef5e-dd8f-64957df36574@pengutronix.de> <20200916114533.3hlthhfd7xmpamoa@skbuf> From: Marc Kleine-Budde Autocrypt: addr=mkl@pengutronix.de; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <20200916114533.3hlthhfd7xmpamoa@skbuf> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="qny4SQLZLyfiSaBs8qkx58TX9G54RuYEQ" 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 Sender: linux-kernel-owner@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) --qny4SQLZLyfiSaBs8qkx58TX9G54RuYEQ Content-Type: multipart/mixed; boundary="ZIYmYvGyMDl4HDZpeYWewusbQuD5zIB6t"; protected-headers="v1" From: Marc Kleine-Budde To: Vladimir Oltean Cc: wg@grandegger.com, pankaj.bansal@nxp.com, pankaj.bansal@oss.nxp.com, linux-can@vger.kernel.org, qiangqing.zhang@nxp.com, linux-kernel@vger.kernel.org, vladimir.oltean@nxp.com Message-ID: <77d5c83d-1fb2-0d8a-f1ed-bec4857796e7@pengutronix.de> Subject: Re: canfdtest on flexcan loopback References: <20200916110154.hp4up6yhyokduvf2@skbuf> <20200916110448.dsla6vjzy4fvdr22@skbuf> <12688d2b-a198-ef5e-dd8f-64957df36574@pengutronix.de> <20200916114533.3hlthhfd7xmpamoa@skbuf> In-Reply-To: <20200916114533.3hlthhfd7xmpamoa@skbuf> --ZIYmYvGyMDl4HDZpeYWewusbQuD5zIB6t Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 9/16/20 1:45 PM, Vladimir Oltean wrote: > On Wed, Sep 16, 2020 at 01:32:49PM +0200, Marc Kleine-Budde wrote: >> Which driver are you using? The mainline driver only uses one TX buffe= r. >=20 > Are there multiple flexcan drivers in circulation? Yes, the mainline > driver with a single priv->tx_mb. I assume nxp has several patches on their kernels. Are you using the main= line kernel or the one that's provided by nxp? 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 | --ZIYmYvGyMDl4HDZpeYWewusbQuD5zIB6t-- --qny4SQLZLyfiSaBs8qkx58TX9G54RuYEQ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAl9h/ocACgkQqclaivrt 76n1iQf/ZZoTPrP6E/OQbBuIkW5G+s0H712CWffmeiEzQ/oEPQAYBZVYN4L70fax ku2rWfHg5QxgRwbBkTVfFkeIjLgggdQU95tKXJ3RKHXgyenK5ulFaltjpcF+Hxyw WXQ3KjVkFwotNxbVPzjoy6ju2QBDQBvgrHvR0ymoYowIwFfR80z0cz9kVpl9pEbb GCJu22dWIqiTK1us1Kh5uSR5tZKlemhWo7mDZyt+qKc/vWS/0C9uTk7WBe0N65h8 bGxh7o4VwzjdG5kXecSvuLwS8pu7Ujdr739bFTqmFaxwAVpTd/yIvNxQAJCHqQTP bBheJBb5Ql25T4Mqtl65bVyWvzYrsQ== =YCS9 -----END PGP SIGNATURE----- --qny4SQLZLyfiSaBs8qkx58TX9G54RuYEQ--