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b=d+xhUNiy8Vzv2upP0uDiAboiLyyvfkBeLdHocQtqCCGQycYHsF+MKIL0xZy6REvWx dNHJTODHtmr+dYlaC9Af0P5O01ofQt+mNiN6OMAem6jMaXooU3q8EQG6v4221rBdfi sl5biSu57db0Ci50HrP2LyimzLVzpC0ZvduXqGiKLfZiBJKe/aigPAENw4WxQ5R1Mi MWt6qOjDDKjMrlIfWP+O7AONNPHQ0hjyhwd3HPyYxdngjhS7JUPG19ievePYiRt5Ud VwrMjl28ywFzfq4R39Ofww5HO5yoYn4g0zpBDAL6QWJlYtj6fcVBbwvlLXqfC8ryXx Rkl5pmAfb2Bmg== Message-ID: Date: Tue, 11 Oct 2022 08:38:52 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v3] soc: imx: imx8m-blk-ctrl: Defer probe if 'bus' genpd is not yet ready Content-Language: en-US To: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com References: <20220919121302.597993-1-benjamin.gaignard@collabora.com> From: Benjamin Gaignard In-Reply-To: <20220919121302.597993-1-benjamin.gaignard@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221010_233901_344888_94CA1461 X-CRM114-Status: GOOD ( 20.38 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org CkxlIDE5LzA5LzIwMjIgw6AgMTQ6MTMsIEJlbmphbWluIEdhaWduYXJkIGEgw6ljcml0wqA6Cj4g RGVwZW5kaW5nIG9mIHRoZSBib290IHNlcXVlbmNlICdidXMnIGdlbnBkIGNvdWxkIGJlIHByb2Jl ZCBhZnRlciBpbXg4bS1ibGstY3RybAo+IHdoaWNoIGxlZCBkcml2ZXIgcHJvYmUgdG8gZmFpbC4g Q2hhbmdlIHRoZSByZXR1cm5lZCBlcnJvciB0byBhbGxvdwo+IHRvIGRlZmVyIHRoZSBwcm9iZSBp biB0aGlzIGNhc2UuCgpHZW50bGUgcmVtaW5kZXIgYWJvdXQgdGhpcyBwYXRjaC4KClRoYW5rcywK QmVuamFtaW4KCj4KPiBTaWduZWQtb2ZmLWJ5OiBCZW5qYW1pbiBHYWlnbmFyZCA8YmVuamFtaW4u Z2FpZ25hcmRAY29sbGFib3JhLmNvbT4KPiAtLS0KPiB2MzoKPiAtIG9ubHkgcmV0dXJuIC1FUFJP QkVfREVGRVIgaWYgJ2J1cycgZGV2aWNlIGhhc24ndCBiZSBmb3VuZC4KPgo+IHYyOgo+IC0ga2Vl cCBkZXZfZXJyX3Byb2JlIG9ubHkgY2hhbmdlIHRoZSByZXR1cm4gdmFsdWUuCj4KPiAgIGRyaXZl cnMvc29jL2lteC9pbXg4bS1ibGstY3RybC5jIHwgMTEgKysrKysrKystLS0KPiAgIDEgZmlsZSBj aGFuZ2VkLCA4IGluc2VydGlvbnMoKyksIDMgZGVsZXRpb25zKC0pCj4KPiBkaWZmIC0tZ2l0IGEv ZHJpdmVycy9zb2MvaW14L2lteDhtLWJsay1jdHJsLmMgYi9kcml2ZXJzL3NvYy9pbXgvaW14OG0t YmxrLWN0cmwuYwo+IGluZGV4IGRmZjc1MjkyNjhlNC4uMWMxOTVlOWU4ODk1IDEwMDY0NAo+IC0t LSBhL2RyaXZlcnMvc29jL2lteC9pbXg4bS1ibGstY3RybC5jCj4gKysrIGIvZHJpdmVycy9zb2Mv aW14L2lteDhtLWJsay1jdHJsLmMKPiBAQCAtMjE0LDkgKzIxNCwxNCBAQCBzdGF0aWMgaW50IGlt eDhtX2Jsa19jdHJsX3Byb2JlKHN0cnVjdCBwbGF0Zm9ybV9kZXZpY2UgKnBkZXYpCj4gICAJCXJl dHVybiAtRU5PTUVNOwo+ICAgCj4gICAJYmMtPmJ1c19wb3dlcl9kZXYgPSBnZW5wZF9kZXZfcG1f YXR0YWNoX2J5X25hbWUoZGV2LCAiYnVzIik7Cj4gLQlpZiAoSVNfRVJSKGJjLT5idXNfcG93ZXJf ZGV2KSkKPiAtCQlyZXR1cm4gZGV2X2Vycl9wcm9iZShkZXYsIFBUUl9FUlIoYmMtPmJ1c19wb3dl cl9kZXYpLAo+IC0JCQkJICAgICAiZmFpbGVkIHRvIGF0dGFjaCBwb3dlciBkb21haW4gXCJidXNc IlxuIik7Cj4gKwlpZiAoSVNfRVJSKGJjLT5idXNfcG93ZXJfZGV2KSkgewo+ICsJCWlmIChQVFJf RVJSKGJjLT5idXNfcG93ZXJfZGV2KSA9PSAtRU5PREVWKQo+ICsJCQlyZXR1cm4gZGV2X2Vycl9w cm9iZShkZXYsIC1FUFJPQkVfREVGRVIsCj4gKwkJCQkJICAgICAiZmFpbGVkIHRvIGF0dGFjaCBw b3dlciBkb21haW4gXCJidXNcIlxuIik7Cj4gKwkJZWxzZQo+ICsJCQlyZXR1cm4gZGV2X2Vycl9w cm9iZShkZXYsIFBUUl9FUlIoYmMtPmJ1c19wb3dlcl9kZXYpLAo+ICsJCQkJCSAgICAgImZhaWxl ZCB0byBhdHRhY2ggcG93ZXIgZG9tYWluIFwiYnVzXCJcbiIpOwo+ICsJfQo+ICAgCj4gICAJZm9y IChpID0gMDsgaSA8IGJjX2RhdGEtPm51bV9kb21haW5zOyBpKyspIHsKPiAgIAkJY29uc3Qgc3Ry dWN0IGlteDhtX2Jsa19jdHJsX2RvbWFpbl9kYXRhICpkYXRhID0gJmJjX2RhdGEtPmRvbWFpbnNb aV07CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpsaW51 eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0ta2VybmVsQGxpc3RzLmluZnJhZGVh ZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1h cm0ta2VybmVsCg==