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Wed, 02 Jul 2025 10:07:26 -0700 (PDT) Received: from localhost ([2a01:e0a:3c5:5fb1:5542:4bad:e07b:9489]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-454a9bced0esm3171085e9.22.2025.07.02.10.07.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jul 2025 10:07:26 -0700 (PDT) From: Jerome Brunet To: Martin Blumenstingl Cc: Anand Moon , Da Xue , Ulf Hansson , Neil Armstrong , Kevin Hilman , linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [RFC] mmc: meson-gx-mmc: add delay during poweroff In-Reply-To: (Martin Blumenstingl's message of "Wed, 2 Jul 2025 18:27:55 +0200") References: <20250628015328.249637-1-da@libre.computer> User-Agent: mu4e 1.12.9; emacs 30.1 Date: Wed, 02 Jul 2025 19:07:25 +0200 Message-ID: <1j4ivued2q.fsf@starbuckisacylon.baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250702_100728_351323_3D7490C6 X-CRM114-Status: GOOD ( 24.41 ) X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org T24gV2VkIDAyIEp1bCAyMDI1IGF0IDE4OjI3LCBNYXJ0aW4gQmx1bWVuc3RpbmdsIDxtYXJ0aW4u Ymx1bWVuc3RpbmdsQGdvb2dsZW1haWwuY29tPiB3cm90ZToKCj4gSGkgQW5hbmQsCj4KPiBPbiBU dWUsIEp1bCAxLCAyMDI1IGF0IDEyOjAw4oCvUE0gQW5hbmQgTW9vbiA8bGludXguYW1vb25AZ21h aWwuY29tPiB3cm90ZToKPj4KPj4gSGkgRGEsCj4+Cj4+IE9uIFNhdCwgMjggSnVuIDIwMjUgYXQg MDk6MTUsIERhIFh1ZSA8ZGFAbGlicmUuY29tcHV0ZXI+IHdyb3RlOgo+PiA+Cj4+ID4gUmVndWxh dG9ycyBjb250cm9sbGluZyB0aGUgU0QgY2FyZCBwb3dlciBuZWVkIHNvbWUgc2V0dGxpbmcgdGlt ZSBmb3IgU0QKPj4gPiBjYXJkcyB0byBmdWxseSByZXNldCBmcm9tIFVIUyBtb2Rlcy4gVGhlIHJl Z3VsYXRvciBmcmFtZXdvcmsgc2VlbXMgdG8KPj4gPiBpZ25vcmUgZmFsbGluZyB0aW1lcyBzZXQg aW4gdGhlIGRldmljZSB0cmVlIGNhdXNpbmcgYSBmZXcgYm9hcmRzIHdpdGggdGhlCj4+ID4gc2Ft ZSBoYXJkd2FyZSBpbXBsZW1lbnRhdGlvbiB0byBoYW5nIG9uIHJlYm9vdCBiZWNhdXNlIHRoZSBT RCBjYXJkIHN0aWxsCj4+ID4gaGFkIHNvbWUgdm9sdGFnZSBhbmQgZGlkIG5vdCByZXNldCBwcm9w ZXJseSB0byBiZSBpbml0aWFsaXplZCBhZ2Fpbi4KPj4gPgo+PiA+IEFkZCBhIGRlbGF5IHN1ZmZp Y2llbnRseSBsb25nIGZvciB0aGUgdm9sdGFnZSB0byBkcm9wIHNvIHRoYXQgdGhlIFNEIGNhcmQK Pj4gPiBjYW4gcmVzZXQgcHJvcGVybHkuIE90aGVyd2lzZSB0aGUgcmVib290IHdpbGwgaGFuZyBh dCBtaXNzaW5nIFNEIGNhcmQKPj4gPiBlc3BlY2lhbGx5IHdpdGggU2Ftc3VuZyBjYXJkcy4KPj4g Pgo+PiBBbHRob3VnaCB0aGUgZHJpdmVyIGRlZmluZXMgcmVzZXQgaWRlbnRpZmllcnMgc3VjaCBh cwo+PiBSRVNFVF9TRF9FTU1DX0EsIFJFU0VUX1NEX0VNTUNfQiwgYW5kIFJFU0VUX1NEX0VNTUNf QywKPj4gSXQgZG9lcyBub3QgaW1wbGVtZW50IHByb3BlciByZXNldCBjb250cm9sbGVyIGZ1bmN0 aW9uYWxpdHksCj4+IHNwZWNpZmljYWxseSBsYWNraW5nIHN1cHBvcnQKPj4gZm9yIHJlc2V0X2Nv bnRyb2xfYXNzZXJ0KCkgYW5kIHJlc2V0X2NvbnRyb2xfZGVhc3NlcnQoKSBvcGVyYXRpb25zLgo+ IEkgdGhpbmsgdGhlcmUncyBhIG1pc3VuZGVyc3RhbmRpbmc6Cj4gVGhlIG1lc29uLWd4LW1tYyBk cml2ZXIgY2FsbHMgZGV2aWNlX3Jlc2V0X29wdGlvbmFsKCkgZHVyaW5nIC5wcm9iZQo+IHdoaWNo IHdpbGwgaW50ZXJuYWxseSBjYWxsIHJlc2V0X2NvbnRyb2xfcmVzZXQoKS4KPiBTbyBJIGRvbid0 IHNlZSBhIHByb2JsZW0gaGVyZS4KPgo+IFRoZSBwYXRjaCBzZWVtcyBtb3JlIGFib3V0IHBvd2Vy IHNlcXVlbmNpbmcsIHdoZXJlIGVpdGhlciB0aGUgU0QgY2FyZAo+IG9yIHJlZ3VsYXRvciB1c2Vk IHRvIHBvd2VyIHRoZSBTRCBjYXJkIHJlcXVpcmVzIGEgY2VydGFpbiBhbW91bnQgb2YKPiB0aW1l IChkZWxheSkgd2hlbiBzd2l0Y2hpbmcgZnJvbSBPTiAtPiBPRkYgLT4gT04gKG15IHVuZGVyc3Rh bmRpbmcgaXM6Cj4gd2l0aG91dCB0aGlzIGRlbGF5IHRoZSBjYXJkIHNlZXMgT04gLT4gT04gd2hp Y2ggZmFpbHMgdG8gdXBkYXRlIHNvbWUKPiBzdGF0ZSBpbnRlcm5hbGx5KS4KPgo+IFRvIG1lIGl0 J3Mgbm90IGNsZWFyIGlmIHRoaXMgaXMgYSBwcm9wZXJ0eSBvZiB0aGUgU0Qgc3BlYyBvciByYXRo ZXIKPiB0aGUgcmVndWxhdG9yLgo+IFVsZiwgSmVyb21lIC0gYW55IGlkZWFzIC8gaW5wdXRzIGZy b20geW91PwoKSWYsIGFzIHRoZSBkZXNjcmlwdGlvbiBzdWdnZXN0LCB0aGUgcmVndWxhdG9yIGZy YW1ld29yayBzb21laG93IGlnbm9yZQp0aGUgdGltaW5nIHNldCBpbiBEVCwgbWF5YmUgdGhpcyBp cyB3aGF0IG5lZWRzIHRvIGJlIGNoZWNrZWQgPwoKVEJIIEkgd291bGQgc3VzcGVjdCB0aGUgZGVs YXlzIGJlZm9yZSB0aGUgcmVndWxhdG9yIGZyYW1ld29yayBpdHNlbGYuCgpUaG9zZSBhc3NlcnQv ZGUtYXNzZXJ0IGRlbGF5cyB0ZW5kIHRvIGJlIGp1c3QgY29waWVkIGZyb20gYm9hcmRzIHRvCmJv YXJkcy4gTWF5YmUgc29tZSBib2FyZHMgbmVlZCBkaWZmZXJlbnQgZGVsYXlzLiBJZiB0aG9zZSBh cmUgdG9vIHNob3J0CmZvciB0aGUgYWN0dWFsIEhXLCBhbiBPTiAtPiBPRkYgLT4gT04gY291bGQg cmVzdWx0IGluIGEgTk9QLgoKPgo+Cj4gQmVzdCByZWdhcmRzLAo+IE1hcnRpbgoKLS0gCkplcm9t ZQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgt YW1sb2dpYyBtYWlsaW5nIGxpc3QKbGludXgtYW1sb2dpY0BsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYW1sb2dpYwo=