From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Lin Subject: Re: [RFC PATCH v2 4/4] mmc: dw_mmc-rockchip: disable biu clk and genpd if possible Date: Fri, 7 Oct 2016 17:01:46 +0800 Message-ID: References: <1475225317-2815-1-git-send-email-shawn.lin@rock-chips.com> <1475225317-2815-5-git-send-email-shawn.lin@rock-chips.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+glpar-linux-rockchip=m.gmane.org-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org To: Jaehoon Chung , Ulf Hansson Cc: linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, shawn.lin-TNX95d0MmH7DzftRWevZcw@public.gmane.org, linux-mmc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Doug Anderson List-Id: linux-mmc@vger.kernel.org 5ZyoIDIwMTYvMTAvNyAxMjoxNSwgSmFlaG9vbiBDaHVuZyDlhpnpgZM6Cj4gT24gMDkvMzAvMjAx NiAwNTo0OCBQTSwgU2hhd24gTGluIHdyb3RlOgo+PiBXZSBjb3VsZCBkaXNhYmxlIGJpdSBjbGsg YW5kIHBvd2VyLW9mZiBnZW5wZCBpZiBncGlvCj4+IGNhcmQgZGV0ZWN0IGF2YWlsYWJsZS4KPj4K Pj4gU2lnbmVkLW9mZi1ieTogU2hhd24gTGluIDxzaGF3bi5saW5Acm9jay1jaGlwcy5jb20+Cj4+ IC0tLQo+Pgo+PiAgZHJpdmVycy9tbWMvaG9zdC9kd19tbWMtcm9ja2NoaXAuYyB8IDE4ICsrKysr KysrKysrKysrKysrLQo+PiAgMSBmaWxlIGNoYW5nZWQsIDE3IGluc2VydGlvbnMoKyksIDEgZGVs ZXRpb24oLSkKPj4KPj4gZGlmZiAtLWdpdCBhL2RyaXZlcnMvbW1jL2hvc3QvZHdfbW1jLXJvY2tj aGlwLmMgYi9kcml2ZXJzL21tYy9ob3N0L2R3X21tYy1yb2NrY2hpcC5jCj4+IGluZGV4IDNhZDA0 MWMuLmU3YjNiNmQgMTAwNjQ0Cj4+IC0tLSBhL2RyaXZlcnMvbW1jL2hvc3QvZHdfbW1jLXJvY2tj aGlwLmMKPj4gKysrIGIvZHJpdmVycy9tbWMvaG9zdC9kd19tbWMtcm9ja2NoaXAuYwo+PiBAQCAt MTMsNiArMTMsNyBAQAo+PiAgI2luY2x1ZGUgPGxpbnV4L21tYy9ob3N0Lmg+Cj4+ICAjaW5jbHVk ZSA8bGludXgvbW1jL2R3X21tYy5oPgo+PiAgI2luY2x1ZGUgPGxpbnV4L29mX2FkZHJlc3MuaD4K Pj4gKyNpbmNsdWRlIDxsaW51eC9tbWMvc2xvdC1ncGlvLmg+Cj4+ICAjaW5jbHVkZSA8bGludXgv cG1fcnVudGltZS5oPgo+PiAgI2luY2x1ZGUgPGxpbnV4L3NsYWIuaD4KPj4KPj4gQEAgLTM2Niwx NCArMzY3LDI5IEBAIHN0YXRpYyBpbnQgZHdfbWNpX3JvY2tjaGlwX3JlbW92ZShzdHJ1Y3QgcGxh dGZvcm1fZGV2aWNlICpwZGV2KQo+PiAgc3RhdGljIGludCBkd19tY2lfcm9ja2NoaXBfcnVudGlt ZV9zdXNwZW5kKHN0cnVjdCBkZXZpY2UgKmRldikKPj4gIHsKPj4gIAlzdHJ1Y3QgZHdfbWNpICpo b3N0ID0gZGV2X2dldF9kcnZkYXRhKGRldik7Cj4+ICsJaW50IHJldDsKPj4KPj4gLQlyZXR1cm4g ZHdfbWNpX3J1bnRpbWVfc3VzcGVuZChob3N0KTsKPj4gKwlyZXQgPSBkd19tY2lfcnVudGltZV9z dXNwZW5kKGhvc3QpOwo+PiArCWlmIChyZXQpCj4+ICsJCXJldHVybiByZXQ7Cj4+ICsKPj4gKwlp ZiAobW1jX2Nhbl9ncGlvX2NkKGhvc3QtPnNsb3RbMF0tPm1tYykpIHsKPgo+IENhbiB1c2UgY3Vy X3Nsb3QgaW5zdGVhZCBvZiBzbG90WzBdPyBBbmQgZG9lc24ndCBuZWVkIHRvIGNoZWNrICJob3N0 LT5zbG90W10iIG9yICJob3N0LT5jdXJfc2xvdCI/Cgp5ZXMsIHdlIGNvdWxkLiBJIHdpbGwgZml4 IHRoaXMgZm9yIFJGQy1WMy4gQWxzbyBJIHRoaW5rIHdlIGNvdWxkCmRpc2FibGUgYml1X2NsayBh bmQgZ2VucGQgZm9yIG5vbi1yZW1vdmFibGUgZGV2aWNlcyBzaW5jZSBpbiB0aGVzZQpjYXNlcywg d2UgZG9uJ3QgaGF2ZSBpbnRlcmFjdGlvbiBmcm9tIGRldmljZXMgMiBob3N0Li4gQnV0IGZvciBz ZCwKd2Ugc2hvdWxkIGNvbnNpZGVyIHRoZSBjYXJkIGRldGVjdCBpbnRlcnJ1cHQuCgoKPgo+IEJl c3QgUmVnYXJkcywKPiBKYWVob29uIENodW5nCj4KPj4gKwkJY2xrX2Rpc2FibGVfdW5wcmVwYXJl KGhvc3QtPmJpdV9jbGspOwo+PiArCQlwbV9ydW50aW1lX3B1dChkZXYpOwo+PiArCX0KPj4gKwo+ PiArCXJldHVybiAwOwo+PiAgfQo+Pgo+PiAgc3RhdGljIGludCBkd19tY2lfcm9ja2NoaXBfcnVu dGltZV9yZXN1bWUoc3RydWN0IGRldmljZSAqZGV2KQo+PiAgewo+PiAgCXN0cnVjdCBkd19tY2kg Kmhvc3QgPSBkZXZfZ2V0X2RydmRhdGEoZGV2KTsKPj4KPj4gKwlpZiAobW1jX2Nhbl9ncGlvX2Nk KGhvc3QtPnNsb3RbMF0tPm1tYykpIHsKPj4gKwkJcG1fcnVudGltZV9nZXRfc3luYyhkZXYpOwo+ PiArCQljbGtfcHJlcGFyZV9lbmFibGUoaG9zdC0+Yml1X2Nsayk7Cj4+ICsJfQo+PiArCj4+ICAJ cmV0dXJuIGR3X21jaV9ydW50aW1lX3Jlc3VtZShob3N0KTsKPj4gIH0KPj4gICNlbmRpZiAvKiBD T05GSUdfUE0gKi8KPj4KPgo+Cj4gX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KPiBMaW51eC1yb2NrY2hpcCBtYWlsaW5nIGxpc3QKPiBMaW51eC1yb2NrY2hp cEBsaXN0cy5pbmZyYWRlYWQub3JnCj4gaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1h bi9saXN0aW5mby9saW51eC1yb2NrY2hpcAo+CgoKLS0gCkJlc3QgUmVnYXJkcwpTaGF3biBMaW4K CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fXwpMaW51eC1y b2NrY2hpcCBtYWlsaW5nIGxpc3QKTGludXgtcm9ja2NoaXBAbGlzdHMuaW5mcmFkZWFkLm9yZwpo dHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFuL2xpc3RpbmZvL2xpbnV4LXJvY2tjaGlw Cg==