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Wed, 11 Nov 2020 14:33:57 -0800 (PST) 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 1kcygW-0003qf-9g; Wed, 11 Nov 2020 23:33:48 +0100 Received: from [IPv6:2a03:f580:87bc:d400:f584:6a63:cc3a:f86a] (unknown [IPv6:2a03:f580:87bc:d400:f584:6a63:cc3a:f86a]) (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 85AA0590375; Wed, 11 Nov 2020 22:33:45 +0000 (UTC) Subject: Re: [PATCH v2] can: m_can: Set device to software init mode before closing To: Faiz Abbas , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-can@vger.kernel.org Cc: kuba@kernel.org, davem@davemloft.net, wg@grandegger.com, sriram.dash@samsung.com, dmurphy@ti.com References: <20200825055442.16994-1-faiz_abbas@ti.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: <20200825055442.16994-1-faiz_abbas@ti.com> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="FLINfmH2tzMl5GH6qbhGBVFmGAmBjTrrJ" 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) --FLINfmH2tzMl5GH6qbhGBVFmGAmBjTrrJ Content-Type: multipart/mixed; boundary="iuBwrBRpDu4oPsWzozGg6Dvhcf352MSWD"; protected-headers="v1" From: Marc Kleine-Budde To: Faiz Abbas , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-can@vger.kernel.org Cc: kuba@kernel.org, davem@davemloft.net, wg@grandegger.com, sriram.dash@samsung.com, dmurphy@ti.com Message-ID: <4dfa600f-1167-e3c4-c9d5-d177f27cde92@pengutronix.de> Subject: Re: [PATCH v2] can: m_can: Set device to software init mode before closing References: <20200825055442.16994-1-faiz_abbas@ti.com> In-Reply-To: <20200825055442.16994-1-faiz_abbas@ti.com> --iuBwrBRpDu4oPsWzozGg6Dvhcf352MSWD Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 8/25/20 7:54 AM, Faiz Abbas wrote: > There might be some requests pending in the buffer when the > interface close sequence occurs. In some devices, these > pending requests might lead to the module not shutting down > properly when m_can_clk_stop() is called. >=20 > Therefore, move the device to init state before potentially > powering it down. >=20 > Signed-off-by: Faiz Abbas Added to linux-can/testing. Tnx, 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 | --iuBwrBRpDu4oPsWzozGg6Dvhcf352MSWD-- --FLINfmH2tzMl5GH6qbhGBVFmGAmBjTrrJ Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEK3kIWJt9yTYMP3ehqclaivrt76kFAl+sZsIACgkQqclaivrt 76neyQf7Bo/LNsQSo9M1tmaTNHiUilvKCob55/Zz+9X4yXdOuohr3/TkG4MEaYyI whCKppIDS8nhi1wz4jHgfe3SHm3mWH/wZNGjJdWB+H9hchbi1gR/CsBEe/TuZxry 9wZQ1jejh+OD5zmOo4UCj7s740+jT1J4C9qSgkqxfBzvZVz44IRkSbZ4Msd2hr1X r9ACYjh+YgY5TaAt1xfu0lu9mumzB16PNJ4u+4rtdrKJN29h98Ip1JI8UGaGFxZw 2PnrHQVxmihBIA4oaV6BF3l6Cp8dv6lDMUmes3+lZxGIGqC2raHQnyBL6R4FdP6r pPTEfkGXAcAAf+3UuAj2+zgekzKDBQ== =35uP -----END PGP SIGNATURE----- --FLINfmH2tzMl5GH6qbhGBVFmGAmBjTrrJ--