From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benjamin Herrenschmidt Subject: Re: [PATCH v4 19/23] drivers/fsi: Add GPIO based FSI master Date: Fri, 31 Mar 2017 07:50:14 +1100 Message-ID: <1490907014.3177.207.camel@kernel.crashing.org> References: <20170329174340.89109-1-cbostic@linux.vnet.ibm.com> <20170329174340.89109-20-cbostic@linux.vnet.ibm.com> <0e1bcf3a-e8d7-9f50-bdf7-2a1e7466665b@linux.vnet.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <0e1bcf3a-e8d7-9f50-bdf7-2a1e7466665b@linux.vnet.ibm.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Christopher Bostic , Joel Stanley Cc: Mark Rutland , devicetree@vger.kernel.org, Andrew Jeffery , Greg KH , Russell King , rostedt@goodmis.org, Linux Kernel Mailing List , Rob Herring , Jeremy Kerr , "Edward A . James" , Alistair Popple , mingo@redhat.com, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org T24gVGh1LCAyMDE3LTAzLTMwIGF0IDEzOjE1IC0wNTAwLCBDaHJpc3RvcGhlciBCb3N0aWMgd3Jv dGU6Cj4gPiA+ICtzdGF0aWMgdm9pZCBzZXJpYWxfaW4oc3RydWN0IGZzaV9tYXN0ZXJfZ3BpbyAq bWFzdGVyLCBzdHJ1Y3QgZnNpX2dwaW9fbXNnICptc2csCj4gPiA+ICvCoMKgwqDCoMKgwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCB1aW50OF90IG51bV9iaXRzKQo+ID4gPiArewo+ ID4gPiArwqDCoMKgwqDCoMKgIHVpbnQ4X3QgYml0LCBpbl9iaXQ7Cj4gPiA+ICsKPiA+ID4gK8Kg wqDCoMKgwqDCoCBzZXRfc2RhX2lucHV0KG1hc3Rlcik7Cj4gPiA+ICsKPiA+ID4gK8KgwqDCoMKg wqDCoCBmb3IgKGJpdCA9IDA7IGJpdCA8IG51bV9iaXRzOyBiaXQrKykgewo+ID4gPiArwqDCoMKg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBjbG9ja190b2dnbGUobWFzdGVyLCAxKTsKPiA+ID4gK8Kg wqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgaW5fYml0ID0gc2RhX2luKG1hc3Rlcik7Cj4gPiA+ ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIG1zZy0+bXNnIDw8PSAxOwo+ID4gPiArwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBtc2ctPm1zZyB8PSB+aW5fYml0ICYgMHgxO8KgwqDC oMKgwqAgLyogRGF0YSBpcyBuZWdhdGl2ZSBhY3RpdmUgKi8KPiA+ID4gK8KgwqDCoMKgwqDCoCB9 Cj4gPiA+ICvCoMKgwqDCoMKgwqAgbXNnLT5iaXRzICs9IG51bV9iaQl0czsKPiA+ID4gK30KPiA+ ID4gKwo+ID4gPiArc3RhdGljIHZvaWQgc2VyaWFsX291dChzdHJ1Y3QgZnNpX21hc3Rlcl9ncGlv ICptYXN0ZXIsCj4gPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqDCoCBjb25zdCBzdHJ1Y3QgZnNpX2dwaW9fbXNnICpjbWQpCj4gPiA+ICt7Cj4gPiA+ICvCoMKg wqDCoMKgwqAgdWludDhfdCBiaXQ7Cj4gPiA+ICvCoMKgwqDCoMKgwqAgdWludDY0X3QgbXNnID0g fmNtZC0+bXNnO8KgwqDCoMKgwqDCoCAvKiBEYXRhIGlzIG5lZ2F0aXZlIGFjdGl2ZSAqLwo+ID4g PiArwqDCoMKgwqDCoMKgIHVpbnQ2NF90IHNkYV9tYXNrID0gMHgxVUxMIDw8IChjbWQtPmJpdHMg LSAxKTsKPiA+ID4gK8KgwqDCoMKgwqDCoCB1aW50NjRfdCBsYXN0X2JpdCA9IH4wOwo+ID4gPiAr wqDCoMKgwqDCoMKgIGludCBuZXh0X2JpdDsKPiA+ID4gKwo+ID4gPiArwqDCoMKgwqDCoMKgIGlm ICghY21kLT5iaXRzKSB7Cj4gPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIGRldl93 YXJuKG1hc3Rlci0+ZGV2LCAidHJ5aW5nIHRvIG91dHB1dCAwIGJpdHNcbiIpOwo+ID4gPiArwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCByZXR1cm47Cj4gPiA+ICvCoMKgwqDCoMKgwqAgfQo+ ID4gPiArwqDCoMKgwqDCoMKgIHNldF9zZGFfb3V0cHV0KG1hc3RlciwgMCk7Cj4gPiA+ICsKPiA+ ID4gK8KgwqDCoMKgwqDCoCAvKiBTZW5kIHRoZSBzdGFydCBiaXQgKi8KPiA+ID4gK8KgwqDCoMKg wqDCoCBzZGFfb3V0KG1hc3RlciwgMCk7Cj4gPiA+ICvCoMKgwqDCoMKgwqAgY2xvY2tfdG9nZ2xl KG1hc3RlciwgMSk7Cj4gPiA+ICsKPiA+ID4gK8KgwqDCoMKgwqDCoCAvKiBTZW5kIHRoZSBtZXNz YWdlICovCj4gPiA+ICvCoMKgwqDCoMKgwqAgZm9yIChiaXQgPSAwOyBiaXQgPCBjbWQtPmJpdHM7 IGJpdCsrKSB7Cj4gPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgIG5leHRfYml0ID0g KG1zZyAmIHNkYV9tYXNrKSA+PiAoY21kLT5iaXRzIC0gMSk7Cj4gPiA+ICvCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgIGlmIChsYXN0X2JpdCBeIG5leHRfYml0KSB7Cj4gPiA+ICvCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBzZGFfb3V0KG1hc3RlciwgbmV4 dF9iaXQpOwo+ID4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgbGFzdF9iaXQgPSBuZXh0X2JpdDsKPiA+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqAgfQo+ID4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoCBjbG9ja190b2dnbGUobWFz dGVyLCAxKTsKPiA+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqAgbXNnIDw8PSAxOwo+ ID4gPiArwqDCoMKgwqDCoMKgIH0KPiA+ID4gK30KCkFzIEkgbWVudGlvbmVkIHByaXZhdGVseSwg SSBkb24ndCB0aGluayB0aGlzIGlzIHJpZ2h0LCB1bmxlc3MgeW91cgpjbG9jayBzaWduYWwgaXMg aW52ZXJ0ZWQgb3IgbXkgcHJvdG9jb2wgc3BlYyBpcyB3cm9uZy4uLgoKWW91ciBjbG9jayB0b2dn bGUgaXMgd3JpdHRlbiBzbyB5b3UgY2FsbCBpdCByaWdodCBhZnRlciB0aGUgcmlzaW5nCmVkZ2Uu IEl0IGRvZXMgZGVsYXksIDAsIGRlbGF5LCAxLgoKQnV0IGFjY29yZGluZyB0byB0aGUgRlNJIHRp bWluZyBkaWFncmFtIEkgaGF2ZSwgeW91IG5lZWQgdG8gZXN0YWJsaXNoCnRoZSBkYXRhIGFyb3Vu ZCB0aGUgZmFsbGluZyBlZGdlLCBpdCBnZXRzIHNhbXBsZWQgYnkgdGhlIHNsYXZlIG9uIHRoZQpy aXNpbmcgZWRnZS4gU28gYXMgaXQgaXMsIHlvdXIgY29kZSByaXNrcyB2aW9sYXRpbmcgdGhlIHNs YXZlIGhvbGQKdGltZS4KCk9uIGlucHV0LCB5b3UgbmVlZCB0byBzYW1wbGUgb24gdGhlIGZhbGxp bmcgZWRnZSwgcmlnaHQgYmVmb3JlIGl0LiBZb3UKYXJlIHNhbXBsaW5nIGFmdGVyIHRoZSByaXNp bmcgZWRnZSwgc28geW91IGFyZW4ndCBsZWF2aW5nIGVub3VnaCB0aW1lCmZvciB0aGUgc2xhdmUg dG8gZXN0YWJsaXNoIHRoZSBkYXRhLgoKWW91IGNvdWxkIHByb2JhYmx5IGp1c3QgZmxpcCBjbG9j a190b2dnbGUoKSBhcm91bmQuIE1ha2UgaXQ6IDAsIGRlbGF5LAoxLCBkZWxheS4KClRoYXQgd2F5 IHlvdSBjYW4gZG8gZm9yIHNlbmRzOiBzZGFfb3V0ICsgdG9nZ2xlLCBhbmQgZm9yIHJlY2VpdmUK dG9nZ2xlICsgc2RhX2luLiBUaGF0IHdpbGwgbWFrZSB5b3UgZXN0YWJsaXNoIHlvdXIgb3V0cHV0 IGRhdGEgYW5kCnNhbXBsZSByaWdodCBiZWZvcmUgdGhlIGZhbGxpbmcgZWRnZSwgd2hpY2ggc2hv dWxkIGJlIG9rIHByb3ZpZGVkIHRoZQpkaWFncmFtIEkgaGF2ZSBpcyByaWdodC4KCkNoZWVycywK QmVuLgoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxp bnV4LWFybS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFk ZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4 LWFybS1rZXJuZWwK