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[77.136.26.197]) by smtp.googlemail.com with ESMTPSA id e142sm12036003wmf.46.2018.12.19.04.08.40 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 19 Dec 2018 04:08:41 -0800 (PST) Subject: Re: [PATCH v10 14/27] drivers: firmware: psci: Simplify error path of psci_dt_init() To: Ulf Hansson , "Rafael J . Wysocki" , Sudeep Holla , Lorenzo Pieralisi , Mark Rutland , linux-pm@vger.kernel.org References: <20181129174700.16585-1-ulf.hansson@linaro.org> <20181129174700.16585-15-ulf.hansson@linaro.org> From: Daniel Lezcano Message-ID: Date: Wed, 19 Dec 2018 13:08:39 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.2.1 MIME-Version: 1.0 In-Reply-To: <20181129174700.16585-15-ulf.hansson@linaro.org> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20181219_040854_151838_4E6EB15C X-CRM114-Status: GOOD ( 21.89 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Vincent Guittot , Geert Uytterhoeven , Kevin Hilman , Stephen Boyd , Viresh Kumar , linux-kernel@vger.kernel.org, Lina Iyer , Tony Lindgren , linux-arm-msm@vger.kernel.org, "Raju P . L . S . S . S . N" , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gMjkvMTEvMjAxOCAxODo0NiwgVWxmIEhhbnNzb24gd3JvdGU6Cj4gSW5zdGVhZCBvZiBoYXZp bmcgZWFjaCBwc2NpIGluaXQgZnVuY3Rpb24gdGFraW5nIGNhcmUgb2YgdGhlIG9mX25vZGVfcHV0 KCksCj4gbGV0J3MgZGVhbCB3aXRoIHRoYXQgZnJvbSBwc2NpX2R0X2luaXQoKSwgYXMgdGhpcyBl bmFibGVzIGEgYml0IHNpbXBsZXIKPiBlcnJvciBwYXRoIGZvciBlYWNoIHBzY2kgaW5pdCBmdW5j dGlvbi4KPiAKPiBDYzogTGluYSBJeWVyIDxpbGluYUBjb2RlYXVyb3JhLm9yZz4KPiBDby1kZXZl bG9wZWQtYnk6IExpbmEgSXllciA8bGluYS5peWVyQGxpbmFyby5vcmc+Cj4gU2lnbmVkLW9mZi1i eTogVWxmIEhhbnNzb24gPHVsZi5oYW5zc29uQGxpbmFyby5vcmc+Cj4gQWNrZWQtYnk6IE1hcmsg UnV0bGFuZCA8bWFyay5ydXRsYW5kQGFybS5jb20+CgpSZXZpZXdlZC1ieTogRGFuaWVsIExlemNh bm8gPGRhbmllbC5sZXpjYW5vQGxpbmFyby5vcmc+CgoKPiAtLS0KPiAKPiBDaGFuZ2VzIGluIHYx MDoKPiAJLSBOb25lLgo+IAo+IC0tLQo+ICBkcml2ZXJzL2Zpcm13YXJlL3BzY2kvcHNjaS5jIHwg MjMgKysrKysrKysrKy0tLS0tLS0tLS0tLS0KPiAgMSBmaWxlIGNoYW5nZWQsIDEwIGluc2VydGlv bnMoKyksIDEzIGRlbGV0aW9ucygtKQo+IAo+IGRpZmYgLS1naXQgYS9kcml2ZXJzL2Zpcm13YXJl L3BzY2kvcHNjaS5jIGIvZHJpdmVycy9maXJtd2FyZS9wc2NpL3BzY2kuYwo+IGluZGV4IDYzMWUy MDcyMGEyMi4uNmJmYTQ3Y2JkMTc0IDEwMDY0NAo+IC0tLSBhL2RyaXZlcnMvZmlybXdhcmUvcHNj aS9wc2NpLmMKPiArKysgYi9kcml2ZXJzL2Zpcm13YXJlL3BzY2kvcHNjaS5jCj4gQEAgLTYwOSw5 ICs2MDksOSBAQCBzdGF0aWMgaW50IF9faW5pdCBwc2NpXzBfMl9pbml0KHN0cnVjdCBkZXZpY2Vf bm9kZSAqbnApCj4gIAlpbnQgZXJyOwo+ICAKPiAgCWVyciA9IGdldF9zZXRfY29uZHVpdF9tZXRo b2QobnApOwo+IC0KPiAgCWlmIChlcnIpCj4gLQkJZ290byBvdXRfcHV0X25vZGU7Cj4gKwkJcmV0 dXJuIGVycjsKPiArCj4gIAkvKgo+ICAJICogU3RhcnRpbmcgd2l0aCB2MC4yLCB0aGUgUFNDSSBz cGVjaWZpY2F0aW9uIGludHJvZHVjZWQgYSBjYWxsCj4gIAkgKiAoUFNDSV9WRVJTSU9OKSB0aGF0 IGFsbG93cyBwcm9iaW5nIHRoZSBmaXJtd2FyZSB2ZXJzaW9uLCBzbwo+IEBAIC02MTksMTEgKzYx OSw3IEBAIHN0YXRpYyBpbnQgX19pbml0IHBzY2lfMF8yX2luaXQoc3RydWN0IGRldmljZV9ub2Rl ICpucCkKPiAgCSAqIGNhbiBiZSBjYXJyaWVkIG91dCBhY2NvcmRpbmcgdG8gdGhlIHNwZWNpZmlj IHZlcnNpb24gcmVwb3J0ZWQKPiAgCSAqIGJ5IGZpcm13YXJlCj4gIAkgKi8KPiAtCWVyciA9IHBz Y2lfcHJvYmUoKTsKPiAtCj4gLW91dF9wdXRfbm9kZToKPiAtCW9mX25vZGVfcHV0KG5wKTsKPiAt CXJldHVybiBlcnI7Cj4gKwlyZXR1cm4gcHNjaV9wcm9iZSgpOwo+ICB9Cj4gIAo+ICAvKgo+IEBA IC02MzUsOSArNjMxLDggQEAgc3RhdGljIGludCBfX2luaXQgcHNjaV8wXzFfaW5pdChzdHJ1Y3Qg ZGV2aWNlX25vZGUgKm5wKQo+ICAJaW50IGVycjsKPiAgCj4gIAllcnIgPSBnZXRfc2V0X2NvbmR1 aXRfbWV0aG9kKG5wKTsKPiAtCj4gIAlpZiAoZXJyKQo+IC0JCWdvdG8gb3V0X3B1dF9ub2RlOwo+ ICsJCXJldHVybiBlcnI7Cj4gIAo+ICAJcHJfaW5mbygiVXNpbmcgUFNDSSB2MC4xIEZ1bmN0aW9u IElEcyBmcm9tIERUXG4iKTsKPiAgCj4gQEAgLTY2MSw5ICs2NTYsNyBAQCBzdGF0aWMgaW50IF9f aW5pdCBwc2NpXzBfMV9pbml0KHN0cnVjdCBkZXZpY2Vfbm9kZSAqbnApCj4gIAkJcHNjaV9vcHMu bWlncmF0ZSA9IHBzY2lfbWlncmF0ZTsKPiAgCX0KPiAgCj4gLW91dF9wdXRfbm9kZToKPiAtCW9m X25vZGVfcHV0KG5wKTsKPiAtCXJldHVybiBlcnI7Cj4gKwlyZXR1cm4gMDsKPiAgfQo+ICAKPiAg c3RhdGljIGNvbnN0IHN0cnVjdCBvZl9kZXZpY2VfaWQgcHNjaV9vZl9tYXRjaFtdIF9faW5pdGNv bnN0ID0gewo+IEBAIC02NzgsNiArNjcxLDcgQEAgaW50IF9faW5pdCBwc2NpX2R0X2luaXQodm9p ZCkKPiAgCXN0cnVjdCBkZXZpY2Vfbm9kZSAqbnA7Cj4gIAljb25zdCBzdHJ1Y3Qgb2ZfZGV2aWNl X2lkICptYXRjaGVkX25wOwo+ICAJcHNjaV9pbml0Y2FsbF90IGluaXRfZm47Cj4gKwlpbnQgcmV0 Owo+ICAKPiAgCW5wID0gb2ZfZmluZF9tYXRjaGluZ19ub2RlX2FuZF9tYXRjaChOVUxMLCBwc2Np X29mX21hdGNoLCAmbWF0Y2hlZF9ucCk7Cj4gIAo+IEBAIC02ODUsNyArNjc5LDEwIEBAIGludCBf X2luaXQgcHNjaV9kdF9pbml0KHZvaWQpCj4gIAkJcmV0dXJuIC1FTk9ERVY7Cj4gIAo+ICAJaW5p dF9mbiA9IChwc2NpX2luaXRjYWxsX3QpbWF0Y2hlZF9ucC0+ZGF0YTsKPiAtCXJldHVybiBpbml0 X2ZuKG5wKTsKPiArCXJldCA9IGluaXRfZm4obnApOwo+ICsKPiArCW9mX25vZGVfcHV0KG5wKTsK PiArCXJldHVybiByZXQ7Cj4gIH0KPiAgCj4gICNpZmRlZiBDT05GSUdfQUNQSQo+IAoKCi0tIAog PGh0dHA6Ly93d3cubGluYXJvLm9yZy8+IExpbmFyby5vcmcg4pSCIE9wZW4gc291cmNlIHNvZnR3 YXJlIGZvciBBUk0gU29DcwoKRm9sbG93IExpbmFybzogIDxodHRwOi8vd3d3LmZhY2Vib29rLmNv bS9wYWdlcy9MaW5hcm8+IEZhY2Vib29rIHwKPGh0dHA6Ly90d2l0dGVyLmNvbS8jIS9saW5hcm9v cmc+IFR3aXR0ZXIgfAo8aHR0cDovL3d3dy5saW5hcm8ub3JnL2xpbmFyby1ibG9nLz4gQmxvZwoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4LWFy bS1rZXJuZWwgbWFpbGluZyBsaXN0CmxpbnV4LWFybS1rZXJuZWxAbGlzdHMuaW5mcmFkZWFkLm9y ZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LWFybS1r ZXJuZWwK