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Fri, 22 Nov 2019 15:28:11 +0100 Received: from [IPv6:2a03:f580:87bc:d400:941f:8f59:5279:2337] (unknown [IPv6:2a03:f580:87bc:d400:941f:8f59:5279:2337]) (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 3E69F48197C; Fri, 22 Nov 2019 14:28:09 +0000 (UTC) To: Srinivas Neeli , wg@grandegger.com, davem@davemloft.net, michal.simek@xilinx.com, appanad@xilinx.com Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, git@xilinx.com, nagasure@xilinx.com, Venkatesh Yadav Abbarapu , Appana Durga Kedareswara rao References: <1574251865-19592-1-git-send-email-srinivas.neeli@xilinx.com> <1574251865-19592-2-git-send-email-srinivas.neeli@xilinx.com> From: Marc Kleine-Budde Openpgp: preference=signencrypt Autocrypt: addr=mkl@pengutronix.de; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <1574251865-19592-2-git-send-email-srinivas.neeli@xilinx.com> Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="g5A6gImkZGJGG7aaAnWYBt0t3a00bGEaR" 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) --g5A6gImkZGJGG7aaAnWYBt0t3a00bGEaR Content-Type: multipart/mixed; boundary="zKF5itJBYhuodM9eHR8mpx9mqwFKvS9Ue"; protected-headers="v1" From: Marc Kleine-Budde To: Srinivas Neeli , wg@grandegger.com, davem@davemloft.net, michal.simek@xilinx.com, appanad@xilinx.com Cc: linux-can@vger.kernel.org, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, git@xilinx.com, nagasure@xilinx.com, Venkatesh Yadav Abbarapu , Appana Durga Kedareswara rao Message-ID: <9f0f491d-74fe-296a-9636-1c0e14a5f77a@pengutronix.de> Subject: Re: [PATCH 1/2] can: xilinx_can: skip error message on deferred probe References: <1574251865-19592-1-git-send-email-srinivas.neeli@xilinx.com> <1574251865-19592-2-git-send-email-srinivas.neeli@xilinx.com> In-Reply-To: <1574251865-19592-2-git-send-email-srinivas.neeli@xilinx.com> --zKF5itJBYhuodM9eHR8mpx9mqwFKvS9Ue Content-Type: text/plain; charset=utf-8 Content-Language: de-DE Content-Transfer-Encoding: quoted-printable On 11/20/19 1:11 PM, Srinivas Neeli wrote: > From: Venkatesh Yadav Abbarapu >=20 > When can clock is provided from the clock wizard, clock wizard driver ^^^ The code looks like the "bus" clock is probed here, not the "can" clock. > may not be available when can driver probes resulting to the error > message "bus clock not found error". >=20 > As this error message is not very useful to the end user, skip printing= > in the case of deferred probe. >=20 > Signed-off-by: Venkatesh Yadav Abbarapu = > Signed-off-by: Srinivas Neeli > Signed-off-by: Michal Simek > --- > drivers/net/can/xilinx_can.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) >=20 > diff --git a/drivers/net/can/xilinx_can.c b/drivers/net/can/xilinx_can.= c > index 4a96e2dd7d77..c5f05b994435 100644 > --- a/drivers/net/can/xilinx_can.c > +++ b/drivers/net/can/xilinx_can.c > @@ -1772,7 +1772,8 @@ static int xcan_probe(struct platform_device *pde= v) > =20 > priv->bus_clk =3D devm_clk_get(&pdev->dev, devtype->bus_clk_name); ^^^^^^^ > if (IS_ERR(priv->bus_clk)) { > - dev_err(&pdev->dev, "bus clock not found\n"); > + if (PTR_ERR(priv->bus_clk) !=3D -EPROBE_DEFER) > + dev_err(&pdev->dev, "bus clock not found\n"); > ret =3D PTR_ERR(priv->bus_clk); > goto err_free; > } >=20 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 | --zKF5itJBYhuodM9eHR8mpx9mqwFKvS9Ue-- --g5A6gImkZGJGG7aaAnWYBt0t3a00bGEaR Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCgAdFiEEmvEkXzgOfc881GuFWsYho5HknSAFAl3X8HUACgkQWsYho5Hk nSD4HQgAgR9+bLGXtcs6cw/zcnm2GQ53RpJYiq5L/4IxwiQz5boWpbcceLPs9yfA S/0lbOaO9GPUFpPMkll/bUX0RcKqUbmwfjuN4R5URSnx71f2BaLLYrZnIRMF1r9E 1dDEvGCwOoFW3Uepp2f6mXMSBhLdq6ceCkL2V1uT4Q/n9EckX2Fmzk/HzOX5RGrt 2o9xvJokfgp1Jw4GVyuLCFjZGdAeRPZeGW2PphIh6ozT/Y5mBWor6aQ3H1Xc/FGf pb54OlJ6FhtNwB31VacOeq1B0G3GHtlEGgXx7JaZdkI3YMHAUQB6lMByT4Fw03w7 2HoMDNNi+ri8NWx7zzXTEGhImyPRMw== =EXc+ -----END PGP SIGNATURE----- --g5A6gImkZGJGG7aaAnWYBt0t3a00bGEaR--