From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: [PATCH 3/3 v3] xen: Fix 16550 UART console for HP Moonshot (Aarch64) platform Date: Fri, 24 Nov 2017 08:51:25 -0500 Message-ID: <20171124135125.GE16160@localhost.localdomain> References: <1511523552-23628-1-git-send-email-bhupinder.thakur@linaro.org> <1511523552-23628-4-git-send-email-bhupinder.thakur@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: Received: from mail6.bemta6.messagelabs.com ([193.109.254.103]) by lists.xenproject.org with esmtp (Exim 4.84_2) (envelope-from ) id 1eIEOB-0003PF-Al for xen-devel@lists.xenproject.org; Fri, 24 Nov 2017 13:51:31 +0000 Received: by mail-qt0-f195.google.com with SMTP id j12so9770604qtc.9 for ; Fri, 24 Nov 2017 05:51:29 -0800 (PST) Content-Disposition: inline In-Reply-To: <1511523552-23628-4-git-send-email-bhupinder.thakur@linaro.org> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Bhupinder Thakur Cc: Stefano Stabellini , Wei Liu , Konrad Rzeszutek Wilk , George Dunlap , Andrew Cooper , Ian Jackson , Tim Deegan , Julien Grall , Jan Beulich , xen-devel@lists.xenproject.org List-Id: xen-devel@lists.xenproject.org T24gRnJpLCBOb3YgMjQsIDIwMTcgYXQgMDU6MDk6MTJQTSArMDUzMCwgQmh1cGluZGVyIFRoYWt1 ciB3cm90ZToKPiBUaGUgY29uc29sZSB3YXMgbm90IHdvcmtpbmcgb24gSFAgTW9vbnNob3QgKEhQ RSBQcm9saWFudCBBYXJjaDY0KSBiZWNhdXNlCj4gdGhlIFVBUlQgcmVnaXN0ZXJzIHdlcmUgYWNj ZXNzZWQgYXMgOC1iaXQgYWxpZ25lZCBhZGRyZXNzZXMuIEhvd2V2ZXIsCj4gcmVnaXN0ZXJzIGFy ZSAzMi1iaXQgYWxpZ25lZCBmb3IgSFAgTW9vbnNob3QuCj4gCj4gU2luY2UgQUNQSS9TUENSIHRh YmxlIGRvZXMgbm90IHNwZWNpZnkgdGhlIHJlZ2lzdGVyIHNoaWZ0IHRvIGJlIGFwcGxpZWQgdG8g dGhlCj4gcmVnaXN0ZXIgb2Zmc2V0LCB0aGlzIHBhdGNoIGltcGxlbWVudHMgYW4gZXJyYXR1bSB0 byBjb3JyZWN0bHkgc2V0IHRoZSByZWdpc3Rlcgo+IHNoaWZ0IGZvciBIUCBNb29uc2hvdC4KPiAK PiBTaW1pbGFyIGVycmF0dW0gd2FzIGltcGxlbWVudGVkIGluIGxpbnV4IGluIHRoZSBmb2xsb3dp bmcgY29tbWl0Ogo+IAo+ICAgICBjb21taXQgNzlhNjQ4MzI4ZDJhNjA0NTI0YTMwNTIzY2E3NjNm YmVjYTBmNzBlMwo+ICAgICBBdXRob3I6IExvYyBIbyA8bGhvQGFwbS5jb20+Cj4gICAgIERhdGU6 ICAgTW9uIEp1bCAzIDE0OjMzOjA5IDIwMTcgLTA3MDAKPiAKPiAgICAgQUNQSTogU1BDUjogV29y a2Fyb3VuZCBmb3IgQVBNIFgtR2VuZSA4MjUwIFVBUlQgMzItYWxpZ25tZW50IGVycmF0YQo+IAo+ ICAgICBBUE0gWC1HZW5lIHZlcmlvbiAxIGFuZCAyIGhhdmUgYW4gODI1MCBVQVJUIHdpdGggaXRz IHJlZ2lzdGVyCj4gICAgIGFsaWduZWQgdG8gMzItYml0LiBJbiBhZGRpdGlvbiwgdGhlIGxhdGVz dCByZWxlYXNlZCBCSU9TCj4gICAgIGVuY29kZXMgdGhlIGFjY2VzcyBmaWVsZCBhcyA4LWJpdCBh Y2Nlc3MgaW5zdGVhZCAzMi1iaXQgYWNjZXNzLgo+ICAgICBUaGlzIGNhdXNlcyBubyBjb25zb2xl IHdpdGggQUNQSSBib290IGFzIHRoZSBjb25zb2xlCj4gICAgIHdpbGwgbm90IG1hdGNoIFgtR2Vu ZSBVQVJUIHBvcnQgZHVlIHRvIHRoZSBsYWNrIG9mIG1taW8zMgo+ICAgICBvcHRpb24uCj4gCj4g ICAgIFNpZ25lZC1vZmYtYnk6IExvYyBIbyA8bGhvQGFwbS5jb20+Cj4gICAgIEFja2VkLWJ5OiBH cmVnIEtyb2FoLUhhcnRtYW4gPGdyZWdraEBsaW51eGZvdW5kYXRpb24ub3JnPgo+ICAgICBTaWdu ZWQtb2ZmLWJ5OiBSYWZhZWwgSi4gV3lzb2NraSA8cmFmYWVsLmoud3lzb2NraUBpbnRlbC5jb20+ Cj4gCj4gU2lnbmVkLW9mZi1ieTogQmh1cGluZGVyIFRoYWt1ciA8Ymh1cGluZGVyLnRoYWt1ckBs aW5hcm8ub3JnPgoKUmV2aWV3ZWQtYnk6IEtvbnJhZCBSemVzenV0ZWsgV2lsayA8a29ucmFkLndp bGtAb3JhY2xlLmNvbT4KPiAtLS0KPiBDaGFuZ2VzIHNpbmNlIHYyOgo+IC0gcmVtb3ZlZCB0aGUg dXNlIG9mIGxvY2FsIHZhcmlhYmxlIHhnZW5lXzgyNTAgaW4geGdlbmVfODI1MF9lcnJhdHVtX3By ZXNlbnQKPiAKPiBDQzogQW5kcmV3IENvb3BlciA8YW5kcmV3LmNvb3BlcjNAY2l0cml4LmNvbT4K PiBDQzogR2VvcmdlIER1bmxhcCA8R2VvcmdlLkR1bmxhcEBldS5jaXRyaXguY29tPgo+IENDOiBJ YW4gSmFja3NvbiA8aWFuLmphY2tzb25AZXUuY2l0cml4LmNvbT4KPiBDQzogSmFuIEJldWxpY2gg PGpiZXVsaWNoQHN1c2UuY29tPgo+IENDOiBLb25yYWQgUnplc3p1dGVrIFdpbGsgPGtvbnJhZC53 aWxrQG9yYWNsZS5jb20+Cj4gQ0M6IFN0ZWZhbm8gU3RhYmVsbGluaSA8c3N0YWJlbGxpbmlAa2Vy bmVsLm9yZz4KPiBDQzogVGltIERlZWdhbiA8dGltQHhlbi5vcmc+Cj4gQ0M6IFdlaSBMaXUgPHdl aS5saXUyQGNpdHJpeC5jb20+Cj4gQ0M6IEp1bGllbiBHcmFsbCA8anVsaWVuLmdyYWxsQGFybS5j b20+Cj4gCj4gIHhlbi9kcml2ZXJzL2NoYXIvbnMxNjU1MC5jIHwgMzggKysrKysrKysrKysrKysr KysrKysrKysrKysrKysrKysrKysrKy0KPiAgMSBmaWxlIGNoYW5nZWQsIDM3IGluc2VydGlvbnMo KyksIDEgZGVsZXRpb24oLSkKPiAKPiBkaWZmIC0tZ2l0IGEveGVuL2RyaXZlcnMvY2hhci9uczE2 NTUwLmMgYi94ZW4vZHJpdmVycy9jaGFyL25zMTY1NTAuYwo+IGluZGV4IGFmNDcxMmYuLjhjNDcy MGEgMTAwNjQ0Cj4gLS0tIGEveGVuL2RyaXZlcnMvY2hhci9uczE2NTUwLmMKPiArKysgYi94ZW4v ZHJpdmVycy9jaGFyL25zMTY1NTAuYwo+IEBAIC0xNTcxLDYgKzE1NzEsMzAgQEAgRFRfREVWSUNF X0VORAo+ICAjZW5kaWYgLyogSEFTX0RFVklDRV9UUkVFICovCj4gIAo+ICAjaWYgZGVmaW5lZChD T05GSUdfQUNQSSkgJiYgZGVmaW5lZChDT05GSUdfQVJNKQo+ICsvKgo+ICsgKiBBUE0gWC1HZW5l IHYxIGFuZCB2MiBVQVJUIGhhcmR3YXJlIGlzIGFuIDE2NTUwIGxpa2UgZGV2aWNlIGJ1dCBoYXMg aXRzCj4gKyAqIHJlZ2lzdGVyIGFsaWduZWQgdG8gMzItYml0LiBJbiBhZGRpdGlvbiwgdGhlIEJJ T1MgYWxzbyBlbmNvZGVkIHRoZQo+ICsgKiBhY2Nlc3Mgd2lkdGggdG8gYmUgOCBiaXRzLiBUaGlz IGZ1bmN0aW9uIGRldGVjdHMgdGhpcyBlcnJhdGEgY29uZGl0aW9uLgo+ICsgKi8KPiArc3RhdGlj IGJvb2wgeGdlbmVfODI1MF9lcnJhdHVtX3ByZXNlbnQoc3RydWN0IGFjcGlfdGFibGVfc3BjciAq dGIpCj4gK3sKPiArICAgIGlmICggdGItPmludGVyZmFjZV90eXBlICE9IEFDUElfREJHMl8xNjU1 MF9DT01QQVRJQkxFICkKPiArICAgICAgICByZXR1cm4gZmFsc2U7Cj4gKwo+ICsgICAgaWYgKCBt ZW1jbXAodGItPmhlYWRlci5vZW1faWQsICJBUE1DMEQiLCBBQ1BJX09FTV9JRF9TSVpFKSAmJgo+ ICsgICAgICAgICBtZW1jbXAodGItPmhlYWRlci5vZW1faWQsICJIUEUgICAiLCBBQ1BJX09FTV9J RF9TSVpFKSApCj4gKyAgICAgICAgcmV0dXJuIGZhbHNlOwo+ICsKPiArICAgIGlmICggIW1lbWNt cCh0Yi0+aGVhZGVyLm9lbV90YWJsZV9pZCwgIlhHRU5FU1BDIiwKPiArICAgICAgICAgQUNQSV9P RU1fVEFCTEVfSURfU0laRSkgJiYgdGItPmhlYWRlci5vZW1fcmV2aXNpb24gPT0gMCApCj4gKyAg ICAgICAgcmV0dXJuIHRydWU7Cj4gKwo+ICsgICAgaWYgKCAhbWVtY21wKHRiLT5oZWFkZXIub2Vt X3RhYmxlX2lkLCAiUHJvTGlhbnQiLAo+ICsgICAgICAgICBBQ1BJX09FTV9UQUJMRV9JRF9TSVpF KSAmJiB0Yi0+aGVhZGVyLm9lbV9yZXZpc2lvbiA9PSAxICkKPiArICAgICAgICByZXR1cm4gdHJ1 ZTsKPiArCj4gKyAgICByZXR1cm4gZmFsc2U7Cj4gK30KPiAgCj4gIHN0YXRpYyBpbnQgbnMxNjU1 MF9pbml0X2FjcGkoc3RydWN0IG5zMTY1NTAgKipwdWFydCkKPiAgewo+IEBAIC0xNTk2LDcgKzE2 MjAsMTkgQEAgc3RhdGljIGludCBuczE2NTUwX2luaXRfYWNwaShzdHJ1Y3QgbnMxNjU1MCAqKnB1 YXJ0KQo+ICAgICAgdWFydC0+aW9fYmFzZSAgID0gc3Bjci0+c2VyaWFsX3BvcnQuYWRkcmVzczsK PiAgICAgIHVhcnQtPmlycSAgICAgICA9IHNwY3ItPmludGVycnVwdDsKPiAgICAgIHVhcnQtPnJl Z193aWR0aCA9IHNwY3ItPnNlcmlhbF9wb3J0LmJpdF93aWR0aCAvIDg7Cj4gLSAgICB1YXJ0LT5y ZWdfc2hpZnQgPSAwOwo+ICsKPiArICAgIGlmICggeGdlbmVfODI1MF9lcnJhdHVtX3ByZXNlbnQo c3BjcikgKQo+ICsgICAgewo+ICsgICAgICAgIC8qCj4gKyAgICAgICAgICogRm9yIHhnZW5lIHYx IGFuZCB2MiB0aGUgcmVnaXN0ZXJzIGFyZSAzMi1iaXQgYW5kIHNvIGEKPiArICAgICAgICAgKiBy ZWdpc3RlciBzaGlmdCBvZiAyIGhhcyB0byBiZSBhcHBsaWVkIHRvIGdldCB0aGUKPiArICAgICAg ICAgKiBjb3JyZWN0IHJlZ2lzdGVyIG9mZnNldC4KPiArICAgICAgICAgKi8KPiArICAgICAgICB1 YXJ0LT5yZWdfc2hpZnQgPSAyOwo+ICsgICAgfQo+ICsgICAgZWxzZQo+ICsgICAgICAgIHVhcnQt PnJlZ19zaGlmdCA9IDA7Cj4gKwo+ICAgICAgdWFydC0+aW9fc2l6ZSAgID0gVUFSVF9OVU1fUkVH UyA8PCB1YXJ0LT5yZWdfc2hpZnQ7Cj4gIAo+ICAgICAgaXJxX3NldF90eXBlKHNwY3ItPmludGVy cnVwdCwgc3Bjci0+aW50ZXJydXB0X3R5cGUpOwo+IC0tIAo+IDIuNy40Cj4gCj4gCj4gX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KPiBYZW4tZGV2ZWwgbWFp bGluZyBsaXN0Cj4gWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCj4gaHR0cHM6Ly9saXN0 cy54ZW5wcm9qZWN0Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbAoKX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KWGVuLWRldmVsIG1haWxpbmcgbGlz dApYZW4tZGV2ZWxAbGlzdHMueGVucHJvamVjdC5vcmcKaHR0cHM6Ly9saXN0cy54ZW5wcm9qZWN0 Lm9yZy9tYWlsbWFuL2xpc3RpbmZvL3hlbi1kZXZlbA==