From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755352AbeDZKZx (ORCPT ); Thu, 26 Apr 2018 06:25:53 -0400 Received: from lelnx193.ext.ti.com ([198.47.27.77]:55374 "EHLO lelnx193.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754347AbeDZKZt (ORCPT ); Thu, 26 Apr 2018 06:25:49 -0400 Subject: Re: [PATCH] mfd: omap-usb-host: Fix dts probe of children To: Tony Lindgren , Lee Jones CC: , References: <20180425142922.128233-1-tony@atomide.com> From: Roger Quadros Openpgp: preference=signencrypt Autocrypt: addr=rogerq@ti.com; prefer-encrypt=mutual; keydata= xsFNBFT1lPYBEADZlKgOS2lxNkDRlcROza/QPsYrS+V2YAXOd4rO/sshQDt1OgU4E8DD37t0 F4zipBkMVU1nQ6ZSomg2o9w17wD7sL0wNO+QZ0j5V2yy2SJIlK70lgmz90GlL93V3T/BFJNr YdtC6FBWvczrXXz6qIKq+3s9j+gMx4CFsZX8vq35xcsaNdyWzX2J7hqMKQ+vYuLvy3u2UMIc pgkwfx5CHXHmWVr4/qWPB+O9YtN9m1ezfPLwbZ73Ea5LpnvCGO6s4IHFLl2hPpDGUCHHV/1N qg3N5ztm4bhN9C0+1qdmhuFGhkfC3O4h/ncywTUNuxqk2Tux19GX3BeWiJF7QVVJb2iXttdo Zi44vp32I7LbcMcXYifHHGYwS5GeAudx6O19RTS+D7XQ1BkSmw8weaTleLhJwApVBon2KziB NscqXsj6CdKFwLFsDPkkvYCsEpWz3C9UUn8veOna2STk8oyk1GM+iVarBad6gs0n8NFNrR2n nLjIFuZ6GIwec3HNaX5Zk3ap1z7qsZ/BVou8r95FJw7cAQU3H5vgHZkGHy9xl6LmPvAf0tWT sO1a9mbf7gcC2u4ccHJ+hTvGk62/E/+AxbtzUDQI0D2ouS9DnwO92UZDJrJhj6m3u1c8mR45 W2CFvZSVPmDSxbyWm3ADzsjfRQlhLkzsV9BoDq8uRMzWUPd8IQARAQABzTRSb2dlciBRdWFk cm9zIChLZXkgZm9yIExpbnV4IGtlcm5lbCkgPHJvZ2VycUB0aS5jb20+wsF4BBMBAgAiBQJU 9ZT2AhsDBgsJCAcDAgYVCAIJCgsEFgIDAQIeAQIXgAAKCRDSWmvTvnYwkwP2EACuDMmuKaYm rcMhjVcvrrWF7n1LGI4nrmVH93fAI8wZsLSpUwyHeLGNTwSOvJC6U4qLvJAejttdW/DCvU+8 cETqkeh36IQhvxNdp6HGXPD+hywZiDHZi54mfpLU7DTExGyuyKKbh7leH/5QvhZF/NkEXHIC g9caDvnmg0CI5VI6QsleiQPNFL7VYZ3neGKJRHjUGTbKPc/9InqzTCWH7ZI3W0aZoAFrOOYv 4bWSohSruEEYKwE6ebvflwESOj5ikVJY5cPmscYfR6LIBzXtTL4fg296sqkeNtvU99DMjKGX LTKmxPY5lnPkDY1YJbAJKoQ+8DYB5GnXA3CNscgXDQGIwbq2eKlGgLhMjyDVmjGHB0FOuuFQ 6W+PLP0FfYqQdQwJWbPfvXoku3IlljwxAN+gvzi0xD3Yqpl3VDjbn2n/2aRuqa8pVVCrsUnG 4LeoDJeMIHyddK61HXDhN0SoA4RNLm6ZW8E+2DH8ZbFbw8IkSyh9Op01LMzD9tr47JRcrGgv K4o1QOwSe1NIK7yQ/SrENiMvICTeAq4gqvc/maDWbylNsYZc3VO9VAhCCghbdk7kRfYWhzBg C/2RgkMGBBTAOVgMbPcDpFzD5Dukg+Jy4xn97bA/MSH8CyYcLZos0SaSzrjNVIvm+TN71k9+ Q2EhsrlhWj64+IjYmzVIFHyTmc7BTQRU9ZT2ARAA16PDhYuCNxXwcXAPlgpVIXC5ZxvB3xWK QifhimnqxvJsCNkNWt8I3jfY+GwjsjTldzA4jIbHTuaHhXgMMu9YoUVK/YBp5IZ/NiQ3yVL5 K5XU0q/BtG30yox9CPjWCA7OmT3mF+1vT9UrEEPCs8KpWER5ajk+rQpTc1WuwJqBB5WeIlZJ odjxuL3r1Zpgk7LxPwwaw15WutKPFY8ClvXqlmmkU4zlCC5s4oR39f6E6B31yun621fvgu8X LFY4i7aUkVYUleKd7L/GAV98Dnbrop48bQM+gDtyPODPh8fJylsPvZAYEqiapSsYiHvts3r/ nEw0RASNyjp5pNBWb5/JbBjboKhGCoBJzkDHcr5VbeOXuemymJHqgysbmDZY415olIOrYQGT b9p/zg5U/eGFsxKnAe4LquX9oAoEu6K/zkUbA/1LEjSTxu3xGCczxe2ZsKthdYztDkntsw+t U9bt2DCXhmabMCcYS1YP72ZVITpLk4qRfxcrtzgx/uGfuMZDuN7JVYqCz7AI+xEQBLlQWXhL cJ8dH0d+H/3Zs9LVaJAqoc9CiYo1yz8NUH+yHGxz437ccUic8HPB2lIiL/W6C4wVhUbm2w9F 4VdByWgWCCY5Ynhe188sqNL+mFqLAaIssqyYwTBJM+Go6tOuRnP6jrkf2Va/pIwIltzf9QOW cgEAEQEAAcLBXwQYAQIACQUCVPWU9gIbDAAKCRDSWmvTvnYwk8niEACcwBAfe1tTSqCCHkRj zgIrt+NPBBfxilf9JXPGTYqfUkrcVfiNqLGFgIDZKjkLfArxiSmpmtKf1O1VYO9XDgADUKJO RvmUQM/l3Q99QC5b8yUyZOsgfSBOsV6DeqiULO30cXH/uEpR2fUcbtyYXHouiF2UNdq/BV5h HBQkGYtTf7K26NPp4wXMS+YsBm2Gbms/wywJh4KgRPP6LuA+UE/7l0xqMD3pBQ/L1KLTqOQY CItcZ0YbEvlrJc25PRkCssHf1J2c2MXV+CRqsibW8UamBmOyzKHVK/CwvIndwBmcciJrOf+4 uxegvXEnwvYPuQ3wvBSkgbJRFNJemnp5KSczANr4R/aA5cEbxhbg7peLv0FdFyTFJXCsKeuO 1gKoKtOLyxRhDocprSuEamaDWDCy3TmX+6nWaBIPYXDFT7IcHT6l6TyZ6IMjkXiHSLhynTIj f2xjSrvKPljIUxcqjhyqWe+coe/Xwbqz69DsK150xoAaoS3rbNlhmalbg15HNTipNDI/k81A fwt7ncjxvjXVJnA2nqPBDIW3mZO/ED0blLrVdaMZjf5LvS+vvsMdH7dHtrAXA50egr74sX0A NO7iW+gkmFYwap531ipMXthHPWbo5x9xfb+a48xA80ePBJLBDyw9X+cOe40+N4Ybiwy5Q2La IwrfNkJOLj3CvocMIw== Message-ID: Date: Thu, 26 Apr 2018 13:25:44 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.7.0 MIME-Version: 1.0 In-Reply-To: <20180425142922.128233-1-tony@atomide.com> Content-Type: text/plain; charset="utf-8" Content-Language: en-GB Content-Transfer-Encoding: 7bit X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 25/04/18 17:29, Tony Lindgren wrote: > It currently only works if the parent bus uses "simple-bus". We > currently try to probe children with non-existing compatible values. > And we're missing .probe. > > I noticed this while testing devices configured to probe using ti-sysc > interconnect target module driver. For that we also may want to rebind > the driver, so let's remove __init and __exit. > > Cc: Roger Quadros > Signed-off-by: Tony Lindgren Acked-by: Roger Quadros > --- > > This is OK to wait for v4.18 merge window as the related dts node has > not yet been updated to probe via ti-sysc interconnect target driver. > > --- > drivers/mfd/omap-usb-host.c | 11 ++++++----- > 1 file changed, 6 insertions(+), 5 deletions(-) > > diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c > --- a/drivers/mfd/omap-usb-host.c > +++ b/drivers/mfd/omap-usb-host.c > @@ -548,8 +548,8 @@ static int usbhs_omap_get_dt_pdata(struct device *dev, > } > > static const struct of_device_id usbhs_child_match_table[] = { > - { .compatible = "ti,omap-ehci", }, > - { .compatible = "ti,omap-ohci", }, > + { .compatible = "ti,ehci-omap", }, > + { .compatible = "ti,ohci-omap3", }, > { } > }; > > @@ -875,6 +875,7 @@ static struct platform_driver usbhs_omap_driver = { > .pm = &usbhsomap_dev_pm_ops, > .of_match_table = usbhs_omap_dt_ids, > }, > + .probe = usbhs_omap_probe, > .remove = usbhs_omap_remove, > }; > > @@ -884,9 +885,9 @@ MODULE_ALIAS("platform:" USBHS_DRIVER_NAME); > MODULE_LICENSE("GPL v2"); > MODULE_DESCRIPTION("usb host common core driver for omap EHCI and OHCI"); > > -static int __init omap_usbhs_drvinit(void) > +static int omap_usbhs_drvinit(void) > { > - return platform_driver_probe(&usbhs_omap_driver, usbhs_omap_probe); > + return platform_driver_register(&usbhs_omap_driver); > } > > /* > @@ -898,7 +899,7 @@ static int __init omap_usbhs_drvinit(void) > */ > fs_initcall_sync(omap_usbhs_drvinit); > > -static void __exit omap_usbhs_drvexit(void) > +static void omap_usbhs_drvexit(void) > { > platform_driver_unregister(&usbhs_omap_driver); > } > -- cheers, -roger Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki