From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Wahren Subject: Re: Question about shared interrupts in devicetree Date: Tue, 7 Apr 2015 19:06:38 +0200 (CEST) Message-ID: <2146749411.2111.1428426398346.JavaMail.open-xchange@oxbaltgw03.schlund.de> References: <2039290448.1160624.1428183613109.JavaMail.open-xchange@oxbaltgw03.schlund.de> <20150407112928.GA3812@leverpostej> Reply-To: Stefan Wahren Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20150407112928.GA3812@leverpostej> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: kernelnewbies-bounces@kernelnewbies.org Errors-To: kernelnewbies-bounces@kernelnewbies.org To: Mark Rutland Cc: fabio.estevam@freescale.com, devicetree , marex@denx.de, kernelnewbies , kernel@pengutronix.de, maxime.ripard@free-electrons.com, shawn.guo@linaro.org List-Id: devicetree@vger.kernel.org SGkgTWFyaywKClthZGQgc29tZSBwb3NzaWJsZSBpbnRlcmVzdGVkIGRldmVsb3BlciBpbiBDQ10K Cj4gTWFyayBSdXRsYW5kIDxtYXJrLnJ1dGxhbmRAYXJtLmNvbT4gaGF0IGFtIDcuIEFwcmlsIDIw MTUgdW0gMTM6MjkgZ2VzY2hyaWViZW46Cj4KPgo+IE9uIFNhdCwgQXByIDA0LCAyMDE1IGF0IDEw OjQwOjEzUE0gKzAxMDAsIFN0ZWZhbiBXYWhyZW4gd3JvdGU6Cj4gPiBIaSwKPgo+IEhpLAo+Cj4g PiBpJ20gY3VycmVudGx5IHdvcmtpbmcgb24gZHJpdmVycyAocmVndWxhdG9yIGFuZCBwb3dlciBz d2l0Y2gpIGZvciBhIHBvd2VyCj4gPiBzdWJzeXN0ZW0gb2YgYSBBUk05IHByb2Nlc3NvciAoRnJl ZXNjYWxlIGkuTVgyOCkuIFRoZXJlIGFyZSBpbnRlcnJ1cHRzIGZvcgo+ID4gdGhlCj4gPiBwb3dl ciBzdWJzeXN0ZW0gd2hpY2ggc2hhcmUgdGhlIHNhbWUgaW50ZXJydXB0IGxpbmUuIFRoaXMgaW50 ZXJydXB0IGxpbmUgaXMKPiA+IG5lZWRlZCBieSBib3RoIGRyaXZlcnMgKHJlZ3VsYXRvciBhbmQg cG93ZXIgc3dpdGNoKS4KPiA+Cj4gPiBOb3cgdGhlIHF1ZXN0aW9uIHdoYXQgaXMgdGhlIHJpZ2h0 IHdheSAodG0pIHRvIHNwZWNpZnkgdGhlIGludGVycnVwdCBpbiB0aGUKPiA+IGRldmljZXRyZWUg YW5kIGZldGNoIHRoZSBpcnEgbnVtYmVyIGR1cmluZyBkcml2ZXIgcHJvYmU/Cj4KPiBJZiB0aGUg aW50ZXJydXB0cyBhcmUgZ2VuZXJhdGVkIGJ5IHRoZSBzdWJzeXN0ZW0gYXMgYSB3aG9sZSwgdGhl biBBCj4gd291bGQgYmUgbW9yZSBjb3JyZWN0LiBJZiB5b3UgY2FuIHJlYWQgc29tZSBzaGFyZWQg cmVnaXN0ZXIgdG8gZGV0ZXJtaW5lCj4gdGhlIHBhcnRpY3VsYXIgc3ViLWJsb2NrIHdoaWNoIGdl bmVyYXRlZCB0aGUgaW50ZXJydXB0LCBBIHdvdWxkCj4gY2VydGFpbmx5IGJlIHRoZSByaWdodCB3 YXkgb2YgZGVzY3JpYmluZyB0aGUgSFcuCj4KPiBJZiB0aGUgc3Vic3lzdGVtIGlzIGp1c3QgYSBs b2dpY2FsIGdyb3VwaW5nLCBhbmQgdGhlIHR3byB1bml0cyBnZW5lcmF0ZQo+IHNlcGFyYXRlIGlu dGVycnVwdHMgd2hpY2ggc2ltcGx5IGdldCBtdXhlZCB0b2dldGhlciAod2l0aCBub3RoaW5nCj4g c3BlY2lhbCBkb25lIGF0IHRoZSBzdWJzeXN0ZW0gbGV2ZWwpLCB0aGVuIEIgd291bGQgc2VlbSBt b3JlIGNvcnJlY3QsIGFzCj4gdGhlIHR3byB1bml0cyBhcmUgZWZmZWN0aXZlbHkgaW5kZXBlbmRl bnQuCj4KPiBJdCByZWFsbHkgZGVwZW5kcyBvbiB3YXkgdGhlIEhXIGlzIG9yZ2FuaXNlZCwgYW5k IGhvdyB0aGUgSFcgX2NvdWxkXyBiZQo+IG9yZ2FuaXNlZCBpZiByZXVzZWQsIHNvIHRoaXMgaXMg YSBncmV5IGFyZWEgZ2VuZXJhbGx5Lgo+Cj4gSXQgbG9va3MgbGlrZSBpdCB3b3VsZCBiZSBwb3Nz aWJsZSB0byBzdXBwb3J0IGJvdGggc3R5bGVzIGlmIHdlIG5lZWQgdG8KPiAoYnkgY2hlY2tpbmcg dGhlIG5vZGUgZmlyc3QsIHRoZW4gaXRzIHBhcmVudCksIGlmIHdlIGdvIGZvciBvbmUgb3B0aW9u Cj4gYW5kIGxhdGVyIGRpc2NvdmVyIHdlIG5lZWQgdGhlIG90aGVyLgoKdGhhbmtzIGZvciB0aGUg Z29vZCBleHBsYW5hdGlvbi4gQWZ0ZXIgbG9va2luZyBpbnRvIHRoZSByZWZlcmVuY2UgbWFudWFs IFsxXSBvZgp0aGUgaS5NWDI4IGkgc3RpbGwgY2FuJ3QgZGVjaWRlIGlmIHRoZSBzdWJzeXN0ZW0g Z2VuZXJhdGUgdGhlIGludGVycnVwdHMgYXMgYQp3aG9sZSBvcgphcyBhIGxvZ2ljYWwgZ3JvdXAu IEkgb25seSBmb3VuZCB0aGlzIHBhcmEgaW4gY2hhcHRlciAxMS4xMToKCiAgICBUaGUgVkREQV9C T19JUlEsIFZERERfQk9fSVJRLCBWRERJT19CT19JUlEsIGFuZCBCQVRUX0JPX0lSUSBlYWNoCiAg ICBoYXZlIHRoZWlyIG93biBpbnRlcnJ1cHQgbGluZSBiYWNrIHRvIHRoZSBpbnRlcnJ1cHQgY29s bGVjdG9yLiAKICAgIEhvd2V2ZXIsIHRoZSByZW1haW5pbmcgZml2ZSBpbnRlcnJ1cHRz4oCUVkRE NVZfR1RfVkRESU9fSVJRLCBEQ19PS19JUlEsCiAgICBWQlVTVkFMSURfSVJRLCBMSU5SRUdfT0tf SVJRIGFuZCBQU1dJVENIX0lSUeKAlGFsbCBzaGFyZSBhIHNpbmdsZQogICAgaW50ZXJydXB0IGxp bmUuIEluIHRoaXMgY2FzZSwgc29mdHdhcmUgbXVzdCByZWFkIHRoZSBpbnRlcnJ1cHQgc3RhdHVz CiAgICBiaXRzIHRvIGRpc2NvdmVyIHdoaWNoIGV2ZW50IGNhdXNlZCB0aGUgaW50ZXJydXB0LgoK SW4gbXkgY2FzZSBEQ19PS19JUlEgYW5kIFBTV0lUQ0hfSVJRIGFyZSByZWxldmFudC4KCk1heWJl IHNvbWVvbmUgZWxzZSBoYXMgYSBpZGVhPwoKVGhhbmtzIFN0ZWZhbgoKWzFdIC0gaHR0cDovL2Nh Y2hlLmZyZWVzY2FsZS5jb20vZmlsZXMvZHNwL2RvYy9yZWZfbWFudWFsL01DSU1YMjhSTS5wZGYK CkRvY3VtZW50IE51bWJlcjogTUNJTVgyOFJNClJldiAyLCAwOC8yMDEzCgo+Cj4gVGhhbmtzLAo+ IE1hcmsuCj4KPiA+Cj4gPiBPcHRpb24gQSAoZGVmaW5lIGludGVycnVwdCBpbiBwYXJlbnQgbm9k ZSk6Cj4gPgo+ID4gcG93ZXI6IHBvd2VyQDgwMDQ0MDAwIHsKPiA+IGNvbXBhdGlibGUgPSAiZnNs LGlteDI4LXBvd2VyIiwgInN5c2NvbiI7Cj4gPiByZWcgPSA8MHg4MDA0NDAwMCAweDIwMDA+Owo+ ID4gaW50ZXJydXB0cyA9IDw2PjsKPiA+Cj4gPiByZWdfdmRkZDogcmVndWxhdG9yQDEgewo+ID4g Y29tcGF0aWJsZSA9ICJmc2wsaW14MjgtdmRkZCI7Cj4gPiB9Owo+ID4KPiA+IHBzd2l0Y2g6IHBz d2l0Y2hANSB7Cj4gPiBjb21wYXRpYmxlID0gImZzbCxteHMtcHN3aXRjaCI7Cj4gPiBsaW51eCxj b2RlID0gPDExNj47Cj4gPiB9Owo+ID4gfQo+ID4KPiA+IGludCBpcnEgPSBpcnFfb2ZfcGFyc2Vf YW5kX21hcChwYXJlbnQsIDApOwo+ID4KPiA+IE9wdGlvbiBCIChkZWZpbmUgaW50ZXJydXB0IGZv ciBlYWNoIGNoaWxkIG5vZGUpOgo+ID4KPiA+IHBvd2VyOiBwb3dlckA4MDA0NDAwMCB7Cj4gPiBj b21wYXRpYmxlID0gImZzbCxpbXgyOC1wb3dlciIsICJzeXNjb24iOwo+ID4gcmVnID0gPDB4ODAw NDQwMDAgMHgyMDAwPjsKPiA+Cj4gPiByZWdfdmRkZDogcmVndWxhdG9yQDEgewo+ID4gY29tcGF0 aWJsZSA9ICJmc2wsaW14MjgtdmRkZCI7Cj4gPiBpbnRlcnJ1cHRzID0gPDY+Owo+ID4gfTsKPiA+ Cj4gPiBwc3dpdGNoOiBwc3dpdGNoQDUgewo+ID4gY29tcGF0aWJsZSA9ICJmc2wsbXhzLXBzd2l0 Y2giOwo+ID4gbGludXgsY29kZSA9IDwxMTY+Owo+ID4gaW50ZXJydXB0cyA9IDw2PjsKPiA+IH07 Cj4gPiB9Cj4gPgo+ID4gaW50IGlycSA9IHBsYXRmb3JtX2dldF9pcnEocGRldiwgMCk7Cj4gPgo+ ID4gQmVzdCByZWdhcmRzCj4gPiBTdGVmYW4KPiA+IC0tCj4gPiBUbyB1bnN1YnNjcmliZSBmcm9t IHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgZGV2aWNldHJlZSIgaW4KPiA+ IHRoZSBib2R5IG9mIGEgbWVzc2FnZSB0byBtYWpvcmRvbW9Admdlci5rZXJuZWwub3JnCj4gPiBN b3JlIG1ham9yZG9tbyBpbmZvIGF0IGh0dHA6Ly92Z2VyLmtlcm5lbC5vcmcvbWFqb3Jkb21vLWlu Zm8uaHRtbAo+ID4KCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fCktlcm5lbG5ld2JpZXMgbWFpbGluZyBsaXN0Cktlcm5lbG5ld2JpZXNAa2VybmVsbmV3Ymll cy5vcmcKaHR0cDovL2xpc3RzLmtlcm5lbG5ld2JpZXMub3JnL21haWxtYW4vbGlzdGluZm8va2Vy bmVsbmV3Ymllcwo=