Received: by 2002:a05:6902:102b:0:0:0:0 with SMTP id x11csp1465062ybt; Mon, 15 Jun 2020 00:31:47 -0700 (PDT) X-Google-Smtp-Source: ABdhPJw9f2nGkNVkTc2Rh76FvDoVrVHs+RcbvHsp/wjayL1VCklmTic9oE+M0JKbTyOd9/vxF+/W X-Received: by 2002:a17:906:9257:: with SMTP id c23mr11627828ejx.86.1592206307078; Mon, 15 Jun 2020 00:31:47 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1592206307; cv=none; d=google.com; s=arc-20160816; b=vth2x1iJELJslA7te1DnJoMwho5Mdac2BiE2NbNcSBIMEDzRxV+yeT5pkzzKsBUpWo soTzP0lzLqsYOUqU0vaZHKaBCI1EhFa+TJKXgtLBoYnTc5KRwIF4aCQo5PLsw9UHF3v8 wi8dwa9jZksVYGlfGgA9BFT/XkFLmdgs9uWKOYaZmbmFHKjZy32B+0MIpUKOzG1w493O MXoWKIWSDHgQg3YNu/EFnCDNJ8xEqrYsld/ZvsioqY8wbzyqtuZUTlPcgkXn9QtRYUuI MkKtt6Tam/1Bxj825EbMu4m7GJ0YrLoVzVm2o2s/tPMN6aefEor+XLlDYTKM9YNr+sEJ NzRQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding :content-language:in-reply-to:mime-version:user-agent:date :message-id:autocrypt:openpgp:from:references:cc:to:subject :ironport-sdr:ironport-sdr; bh=1007qvbL/cSuKhM8WHdPHmkeNHW1D79fU7eWkWPLeiQ=; b=0yrTHd1/s08MUD/BSB7qXn5DYPLj0MnXu7qVGQutyLQZW+WXPEl2nGe931M2iQNVdA nuVSEs7v40/GsqnSOmIsgysD18kDfQo8bs/pkdQuiNYhHDniPTmvGCNDswNZIvYG4N/K 6EUfvXlPYsb8Lk6hIcsL1f9v9Sager1G+7y3wYhE5blqX9ag3i6ymzxDL3YTihyssdcS gjlT980rZGWU6QqVagWqaRIGKMCG80ADcPIdQYhBoGJ3uXThMfpnF2sGnKqBqTLePwPu 4yzBqCoPEBydhA+r4zhIfcFcuXqc1+4MAcySaI3WVf901OpsUg4uXz//MiNY6yb2CQKh 3swA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id a21si8637760ejf.332.2020.06.15.00.31.24; Mon, 15 Jun 2020 00:31:47 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728589AbgFOH0a (ORCPT + 99 others); Mon, 15 Jun 2020 03:26:30 -0400 Received: from mga07.intel.com ([134.134.136.100]:11188 "EHLO mga07.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726299AbgFOH03 (ORCPT ); Mon, 15 Jun 2020 03:26:29 -0400 IronPort-SDR: 60xklY4WX+FAhl1RYx2oWfWpcPs81PUIbJQdQ82ydhC4HjHfkPIyigCrmth9mf5WcWXkd8mknO EzNCG+i3SmlQ== X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by orsmga105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Jun 2020 00:26:27 -0700 IronPort-SDR: 5HOmEss1pIWf5TzQZn+x4BH0I+3EofDNooFM9lJtk0qO4CpDVIIroHSYyYlJMyMacWPFgqLNVc Aat0iD4UvdHw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.73,514,1583222400"; d="scan'208";a="272662564" Received: from mattu-haswell.fi.intel.com (HELO [10.237.72.170]) ([10.237.72.170]) by orsmga003.jf.intel.com with ESMTP; 15 Jun 2020 00:26:22 -0700 Subject: Re: [PATCH v3 5/9] usb: xhci-pci: Add support for reset controllers To: Nicolas Saenz Julienne , f.fainelli@gmail.com, gregkh@linuxfoundation.org, wahrenst@gmx.net, p.zabel@pengutronix.de, linux-kernel@vger.kernel.org, Mathias Nyman Cc: linux-usb@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, tim.gover@raspberrypi.org, linux-pci@vger.kernel.org, helgaas@kernel.org, andy.shevchenko@gmail.com, lorenzo.pieralisi@arm.com References: <20200612171334.26385-1-nsaenzjulienne@suse.de> <20200612171334.26385-6-nsaenzjulienne@suse.de> From: Mathias Nyman Openpgp: preference=signencrypt Autocrypt: addr=mathias.nyman@linux.intel.com; prefer-encrypt=mutual; keydata= mQINBFMB0ccBEADd+nZnZrFDsIjQtclVz6OsqFOQ6k0nQdveiDNeBuwyFYykkBpaGekoHZ6f lH4ogPZzQ+pzoJEMlRGXc881BIggKMCMH86fYJGfZKWdfpg9O6mqSxyEuvBHKe9eZCBKPvoC L2iwygtO8TcXXSCynvXSeZrOwqAlwnxWNRm4J2ikDck5S5R+Qie0ZLJIfaId1hELofWfuhy+ tOK0plFR0HgVVp8O7zWYT2ewNcgAzQrRbzidA3LNRfkL7jrzyAxDapuejuK8TMrFQT/wW53e uegnXcRJaibJD84RUJt+mJrn5BvZ0MYfyDSc1yHVO+aZcpNr+71yZBQVgVEI/AuEQ0+p9wpt O9Wt4zO2KT/R5lq2lSz1MYMJrtfFRKkqC6PsDSB4lGSgl91XbibK5poxrIouVO2g9Jabg04T MIPpVUlPme3mkYHLZUsboemRQp5/pxV4HTFR0xNBCmsidBICHOYAepCzNmfLhfo1EW2Uf+t4 L8IowAaoURKdgcR2ydUXjhACVEA/Ldtp3ftF4hTQ46Qhba/p4MUFtDAQ5yeA5vQVuspiwsqB BoL/298+V119JzM998d70Z1clqTc8fiGMXyVnFv92QKShDKyXpiisQn2rrJVWeXEIVoldh6+ J8M3vTwzetnvIKpoQdSFJ2qxOdQ8iYRtz36WYl7hhT3/hwkHuQARAQABtCdNYXRoaWFzIE55 bWFuIDxtYXRoaWFzLm55bWFuQGdtYWlsLmNvbT6JAjsEEwECACUCGwMGCwkIBwMCBhUIAgkK CwQWAgMBAh4BAheABQJTAeo1AhkBAAoJEFiDn/uYk8VJOdIP/jhA+RpIZ7rdUHFIYkHEKzHw tkwrJczGA5TyLgQaI8YTCTPSvdNHU9Rj19mkjhUO/9MKvwfoT2RFYqhkrtk0K92STDaBNXTL JIi4IHBqjXOyJ/dPADU0xiRVtCHWkBgjEgR7Wihr7McSdVpgupsaXhbZjXXgtR/N7PE0Wltz hAL2GAnMuIeJyXhIdIMLb+uyoydPCzKdH6znfu6Ox76XfGWBCqLBbvqPXvk4oH03jcdt+8UG 2nfSeti/To9ANRZIlSKGjddCGMa3xzjtTx9ryf1Xr0MnY5PeyNLexpgHp93sc1BKxKKtYaT0 lR6p0QEKeaZ70623oB7Sa2Ts4IytqUVxkQKRkJVWeQiPJ/dZYTK5uo15GaVwufuF8VTwnMkC 4l5X+NUYNAH1U1bpRtlT40aoLEUhWKAyVdowxW4yGCP3nL5E69tZQQgsag+OnxBa6f88j63u wxmOJGNXcwCerkCb+wUPwJzChSifFYmuV5l89LKHgSbv0WHSN9OLkuhJO+I9fsCNvro1Y7dT U/yq4aSVzjaqPT3yrnQkzVDxrYT54FLWO1ssFKAOlcfeWzqrT9QNcHIzHMQYf5c03Kyq3yMI Xi91hkw2uc/GuA2CZ8dUD3BZhUT1dm0igE9NViE1M7F5lHQONEr7MOCg1hcrkngY62V6vh0f RcDeV0ISwlZWuQINBFMB0ccBEACXKmWvojkaG+kh/yipMmqZTrCozsLeGitxJzo5hq9ev31N 2XpPGx4AGhpccbco63SygpVN2bOd0W62fJJoxGohtf/g0uVtRSuK43OTstoBPqyY/35+VnAV oA5cnfvtdx5kQPIL6LRcxmYKgN4/3+A7ejIxbOrjWFmbWCC+SgX6mzHHBrV0OMki8R+NnrNa NkUmMmosi7jBSKdoi9VqDqgQTJF/GftvmaZHqgmVJDWNrCv7UiorhesfIWPt1O/AIk9luxlE dHwkx5zkWa9CGYvV6LfP9BznendEoO3qYZ9IcUlW727Le80Q1oh69QnHoI8pODDBBTJvEq1h bOWcPm/DsNmDD8Rwr/msRmRyIoxjasFi5WkM/K/pzujICKeUcNGNsDsEDJC5TCmRO/TlvCvm 0X+vdfEJRZV6Z+QFBflK1asUz9QHFre5csG8MyVZkwTR9yUiKi3KiqQdaEu+LuDD2CGF5t68 xEl66Y6mwfyiISkkm3ETA4E8rVZP1rZQBBm83c5kJEDvs0A4zrhKIPTcI1smK+TWbyVyrZ/a mGYDrZzpF2N8DfuNSqOQkLHIOL3vuOyx3HPzS05lY3p+IIVmnPOEdZhMsNDIGmVorFyRWa4K uYjBP/W3E5p9e6TvDSDzqhLoY1RHfAIadM3I8kEx5wqco67VIgbIHHB9DbRcxQARAQABiQIf BBgBAgAJBQJTAdHHAhsMAAoJEFiDn/uYk8VJb7AQAK56tgX8V1Wa6RmZDmZ8dmBC7W8nsMRz PcKWiDSMIvTJT5bygMy1lf7gbHXm7fqezRtSfXAXr/OJqSA8LB2LWfThLyuuCvrdNsQNrI+3 D+hjHJjhW/4185y3EdmwwHcelixPg0X9EF+lHCltV/w29Pv3PiGDkoKxJrnOpnU6jrwiBebz eAYBfpSEvrCm4CR4hf+T6MdCs64UzZnNt0nxL8mLCCAGmq1iks9M4bZk+LG36QjCKGh8PDXz 9OsnJmCggptClgjTa7pO6040OW76pcVrP2rZrkjo/Ld/gvSc7yMO/m9sIYxLIsR2NDxMNpmE q/H7WO+2bRG0vMmsndxpEYS4WnuhKutoTA/goBEhtHu1fg5KC+WYXp9wZyTfeNPrL0L8F3N1 BCEYefp2JSZ/a355X6r2ROGSRgIIeYjAiSMgGAZMPEVsdvKsYw6BH17hDRzltNyIj5S0dIhb Gjynb3sXforM/GVbr4mnuxTdLXQYlj2EJ4O4f0tkLlADT7podzKSlSuZsLi2D+ohKxtP3U/r 42i8PBnX2oAV0UIkYk7Oel/3hr0+BP666SnTls9RJuoXc7R5XQVsomqXID6GmjwFQR5Wh/RE IJtkiDAsk37cfZ9d1kZ2gCQryTV9lmflSOB6AFZkOLuEVSC5qW8M/s6IGDfYXN12YJaZPptJ fiD/ Message-ID: Date: Mon, 15 Jun 2020 10:29:24 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 MIME-Version: 1.0 In-Reply-To: <20200612171334.26385-6-nsaenzjulienne@suse.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 12.6.2020 20.13, Nicolas Saenz Julienne wrote: > Some atypical users of xhci-pci might need to manually reset their xHCI > controller before starting the HCD setup. Check if a reset controller > device is available to the PCI bus and trigger a reset. > > Signed-off-by: Nicolas Saenz Julienne Acked-by: Mathias Nyman