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Sat, 19 Oct 2019 00:31:48 -0700 (PDT) Date: Sat, 19 Oct 2019 08:31:45 +0100 From: Lee Jones To: Daniel Thompson Subject: Re: [PATCH 1/2] mfd: mfd-core: Allocate reference counting memory directly to the platform device Message-ID: <20191019073145.GY4365@dell> References: <20191018122647.3849-1-lee.jones@linaro.org> <20191018122647.3849-2-lee.jones@linaro.org> <20191018160419.rm2ogvh3k3jdx3tn@holly.lan> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191018160419.rm2ogvh3k3jdx3tn@holly.lan> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191019_003151_085684_CCC85067 X-CRM114-Status: GOOD ( 24.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: baohua@kernel.org, stephan@gerhold.net, arnd@arndb.de, linus.walleij@linaro.org, linux-kernel@vger.kernel.org, broonie@kernel.org, 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 T24gRnJpLCAxOCBPY3QgMjAxOSwgRGFuaWVsIFRob21wc29uIHdyb3RlOgoKPiBPbiBGcmksIE9j dCAxOCwgMjAxOSBhdCAwMToyNjo0NlBNICswMTAwLCBMZWUgSm9uZXMgd3JvdGU6Cj4gPiBNRkQg cHJvdmlkZXMgcmVmZXJlbmNlIGNvdW50aW5nIChmb3IgdGhlIDIgY29uc3VtZXJzIHdobyBhY3R1 YWxseSB1c2UgaXQhKQo+ID4gdmlhIG1mZF9jZWxsJ3MgJ3VzYWdlX2NvdW50JyBtZW1iZXIuICBI b3dldmVyLCBzaW5jZSBNRkQgY2VsbHMgYmVjb21lCj4gPiByZWFkLW9ubHkgKGNvbnN0KSwgTUZE IG5lZWRzIHRvIGFsbG9jYXRlIHdyaXRhYmxlIG1lbW9yeSBhbmQgYXNzaWduIGl0IHRvCj4gPiAn dXNhZ2VfY291bnQnIGJlZm9yZSBmaXJzdCByZWdpc3RyYXRpb24uICBJdCBjdXJyZW50bHkgZG9l cyB0aGlzIGJ5Cj4gPiBhbGxvY2F0aW5nIGVub3VnaCBtZW1vcnkgZm9yIGFsbCByZXF1ZXN0ZWQg Y2hpbGQgZGV2aWNlcyAoeWVzLCBldmVuIGRpc2FibGVkCj4gPiBvbmVzIC0gYnV0IHdlJ2xsIGdl dCB0byB0aGF0KSBhbmQgYXNzaWduaW5nIHRoZSBiYXNlIHBvaW50ZXIgcGx1cyBzdWItZGV2aWNl Cj4gPiBpbmRleCB0byBlYWNoIGRldmljZSBpbiB0aGUgY2VsbC4KPiA+IAo+ID4gVGhlIGRpZmZp Y3VsdHkgY29tZXMgd2hlbiB0cnlpbmcgdG8gZnJlZSB0aGF0IG1lbW9yeS4gIER1cmluZyB0aGUg cmVtb3ZhbCBvZgo+ID4gdGhlIHBhcmVudCBkZXZpY2UsIE1GRCB1bnJlZ2lzdGVycyBlYWNoIGNo aWxkIGRldmljZSwga2VlcGluZyBhIHRhbGx5IG9uIHRoZQo+ID4gbG93ZXN0IG1lbW9yeSBsb2Nh dGlvbiBwb2ludGVkIHRvIGJ5IGEgY2hpbGQgZGV2aWNlJ3MgJ3VzYWdlX2NvdW50Jy4gIE9uY2UK PiA+IGFsbCBvZiB0aGUgY2hpbGRyZW4gYXJlIHVucmVnaXN0ZXJlZCwgdGhlIGxvd2VzdCBtZW1v cnkgbG9jYXRpb24gbXVzdCBiZSB0aGUKPiA+IGJhc2UgYWRkcmVzcyBvZiB0aGUgcHJldmlvdXNs eSBhbGxvY2F0ZWQgYXJyYXksIHJpZ2h0Pwo+ID4gCj4gPiBXZWxsIHllcywgdW50aWwgd2UgdHJ5 IHRvIGhvbm91ciB0aGUgZGlzYWJsaW5nIG9mIGRldmljZXMgdmlhIERldmljZSBUcmVlCj4gPiBm b3IgaW5zdGFuY2UuICBJZiB0aGUgZmlyc3QgY2hpbGQgZGV2aWNlIGluIHRoZSBwcm92aWRlZCBi YXRjaCBpcyBkaXNhYmxlZCwKPiA+IHNpbXBseSBza2lwcGluZyByZWdpc3RyYXRpb24gKGFuZCBj b25zZXF1ZW50aWFsbHkgZGVyZWdpc3RyYXRpb24pIHdpbGwgbWVhbgo+ID4gdGhhdCB0aGUgZmly c3QgZGV2aWNlJ3MgJ3VzYWdlX2NvdW50JyBwb2ludGVyIHdpbGwgbm90IGJlIGFjY291bnRlZCBm b3Igd2hlbgo+ID4gYXR0ZW1wdGluZyB0byBmaW5kIHRoZSBiYXNlLiAgSW4gd2hpY2ggY2FzZSwg TUZEIHdpbGwgYXNzdW1lIHRoZSBmaXJzdCBub24tCj4gPiBkaXNhYmxlZCAndXNhZ2VfY291bnQn IHBvaW50ZXIgaXMgdGhlIGJhc2UgYW5kIHN1YnNlcXVlbnRseSBhdHRlbXB0IHRvCj4gPiBlcnJv bmVvdXNseSBmcmVlIGl0Lgo+ID4gCj4gPiBXZSBjYW4gYXZvaWQgYWxsIG9mIHRoaXMgaG9vcCBq dW1waW5nIGJ5IHNpbXBseSBhbGxvY2F0aW5nIG1lbW9yeSB0byBlYWNoCj4gPiBzaW5nbGUgY2hp bGQgZGV2aWNlIGJlZm9yZSBpdCBpcyBjb25zaWRlcmVkIHJlYWQtb25seS4gIFdlIGNhbiB0aGVu IGZyZWUKPiA+IGl0IG9uIGEgcGVyLWRldmljZSBiYXNpcyBkdXJpbmcgZGVyZWdpc3RyYXRpb24u Cj4gPiAKPiA+IFNpZ25lZC1vZmYtYnk6IExlZSBKb25lcyA8bGVlLmpvbmVzQGxpbmFyby5vcmc+ Cj4gPiAtLS0KPiA+ICBkcml2ZXJzL21mZC9tZmQtY29yZS5jIHwgNDIgKysrKysrKysrKysrKysr KysrLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCj4gPiAgMSBmaWxlIGNoYW5nZWQsIDE4IGluc2Vy dGlvbnMoKyksIDI0IGRlbGV0aW9ucygtKQo+ID4gCj4gPiBkaWZmIC0tZ2l0IGEvZHJpdmVycy9t ZmQvbWZkLWNvcmUuYyBiL2RyaXZlcnMvbWZkL21mZC1jb3JlLmMKPiA+IGluZGV4IDIzMjc2YTgw ZTNiNC4uZWFmZGFkZDU4ZThiIDEwMDY0NAo+ID4gLS0tIGEvZHJpdmVycy9tZmQvbWZkLWNvcmUu Ywo+ID4gKysrIGIvZHJpdmVycy9tZmQvbWZkLWNvcmUuYwo+ID4gQEAgLTQwNCw3ICszOTgsNyBA QCBpbnQgbWZkX2Nsb25lX2NlbGwoY29uc3QgY2hhciAqY2VsbCwgY29uc3QgY2hhciAqKmNsb25l cywgc2l6ZV90IG5fY2xvbmVzKQo+ID4gIAkJY2VsbF9lbnRyeS5uYW1lID0gY2xvbmVzW2ldOwo+ ID4gIAkJLyogZG9uJ3QgZ2l2ZSB1cCBpZiBhIHNpbmdsZSBjYWxsIGZhaWxzOyBqdXN0IHJlcG9y dCBlcnJvciAqLwo+ID4gIAkJaWYgKG1mZF9hZGRfZGV2aWNlKHBkZXYtPmRldi5wYXJlbnQsIC0x LCAmY2VsbF9lbnRyeSwKPiA+IC0JCQkJICAgY2VsbF9lbnRyeS51c2FnZV9jb3VudCwgTlVMTCwg MCwgTlVMTCkpCj4gPiArCQkJCSAgIE5VTEwsIDAsIE5VTEwpKQo+IAo+IEkgdGhpbmsgdGhpcyBj aGFuZ2UgaXMgYnJva2VuLgo+IAo+IENsb25lZCBjZWxscyBhcmUgc3VwcG9zZWQgdG8gc2hhcmUg dGhlIHNhbWUgcmVmZXJlbmNlIGNvdW50ZXIgYXMgdGhlaXIKPiB0ZW1wbGF0ZSBhbmQgdGhpcyBj aGFuZ2UgcmVzdWx0cyBpbiBlYWNoIGNsb25lIGhhdmluZyBpdHMgb3duIGNvdW50ZXIuCj4gVGhh dCBtZWFucyB0aGUgInRoZSAyIGNvbnN1bWVycyB3aG8gYWN0dWFsbHkgdXNlIGl0IiB3aWxsIGJv dGggZW5kIHVwCj4gY2FsbGluZyBjczU1MzVfbWZkX3Jlc19lbmFibGUoKSAoYW5kIHdoaWNoZXZl ciBsb3NlcyB0aGUgcmFjZSB3aWxsIGZhaWwKPiB0byBwcm9iZSkuCj4gCj4gVG8gYmUgaG9uZXN0 IGl0IG1pZ2h0IGJlIGVhc2llciB0byBtb3ZlIHRoZSByZXF1ZXN0X3JlZ2lvbigpIGludG8KPiBj czU1MzVfbWZkX3Byb2JlKCkgYW5kIHJpcCBvdXQgdGhlIGVudGlyZSByZWZlcmVuY2UgY291bnRp bmcgbWVjaGFuaXNtCj4gc2luY2UgYXQgdGhhdCBwb2ludCBpdCB3b3VsZCBiZSB1bnVzZWQgKHRo ZSBvdGhlciBjYWxsZXJzIG9mCj4gbWZkX2NlbGxfZW5hYmxlKCkgbG9vayBzYWZlIHcvbyBhIGNv dW50ZXIpLgoKVGhhbmtzIGZvciB0aGUgcmV2aWV3LiAgR3JlYXQgcG9pbnQocykuCgpJIHdpbGwg Zml4IHRoaXMgYW5kIHN1Ym1pdCBhIHYyIHNob3J0bHkuCgo+ID4gIAkJCWRldl9lcnIoZGV2LCAi ZmFpbGVkIHRvIGNyZWF0ZSBwbGF0Zm9ybSBkZXZpY2UgJyVzJ1xuIiwKPiA+ICAJCQkJCWNsb25l c1tpXSk7Cj4gPiAgCX0KCi0tIApMZWUgSm9uZXMgW+adjueQvOaWr10KTGluYXJvIFNlcnZpY2Vz IFRlY2huaWNhbCBMZWFkCkxpbmFyby5vcmcg4pSCIE9wZW4gc291cmNlIHNvZnR3YXJlIGZvciBB Uk0gU29DcwpGb2xsb3cgTGluYXJvOiBGYWNlYm9vayB8IFR3aXR0ZXIgfCBCbG9nCgpfX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVs IG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDov L2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==