From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexander Clouter Subject: Re: [PATCH 2/6] rtc: rtc-m48t86: add hooks to support driver side memory mapping Date: Tue, 2 Apr 2013 00:42:07 +0100 Message-ID: <20130401234207.GL1953@edkhil> References: <1364858565-17192-1-git-send-email-alex@digriz.org.uk> <1364858565-17192-3-git-send-email-alex@digriz.org.uk> <515A1A0B.8040803@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8"; Format="flowed" Content-Transfer-Encoding: base64 Return-path: Content-Disposition: inline In-Reply-To: <515A1A0B.8040803-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: Ryan Mallon Cc: Alessandro Zummo , Jason Cooper , rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, Andrew Lunn , devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, Rob Herring , Hartley Sweeten , linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org List-Id: devicetree@vger.kernel.org T24gVHVlLCBBcHIgMDIsIDIwMTMgYXQgMTA6MzY6NDNBTSArMTEwMCwgUnlhbiBNYWxsb24gd3Jv dGU6Cj5PbiAwMi8wNC8xMyAxMDoyMiwgQWxleGFuZGVyIENsb3V0ZXIgd3JvdGU6Cj4+IElmIHBs YXRmb3JtX2RhdGEgaXMgbm90IGRlZmluZWQgKGFzIGJlZm9yZSksIHRoZW4gbmFtZWQgbWVtb3J5 IGlvCj4+IHJhbmdlcyBuZWVkIHRvIGJlIGRlZmluZWQgKCJydGNfaW5kZXgiIGFuZCAicnRjX2Rh dGEiKS4gIFRoZSBkcml2ZXIKPj4gdGhlbiBtYXBzIHRob3NlIHJlZ2lvbnMgYW5kIHVzZXMgdGhl bSBhcyB0aGUgUlRDIGluZGV4IGFuZCBkYXRhCj4+IGFkZHJlc3Nlcy4KPj4KPj4gRG9lcyBjb21w aWxlIHdpdGggdGhlIGZvbGxvd2luZyB3YXJuaW5ncywgSSBjYW5ub3Qgc2VlIHRoZSBjb2RlcGF0 aAo+PiBhZmZlY3RlZCBteXNlbGY6Cj4+IC0tLS0KPj4gZHJpdmVycy9ydGMvcnRjLW00OHQ4Ni5j OiBJbiBmdW5jdGlvbiDigJhtNDh0ODZfcnRjX3Byb2Jl4oCZOgo+PiBkcml2ZXJzL3J0Yy9ydGMt bTQ4dDg2LmM6MTgwOiB3YXJuaW5nOiDigJhyZXNfaW5kZXjigJkgbWF5IGJlIHVzZWQgdW5pbml0 aWFsaXplZCBpbiB0aGlzIGZ1bmN0aW9uCj4+IGRyaXZlcnMvcnRjL3J0Yy1tNDh0ODYuYzoxODA6 IHdhcm5pbmc6IOKAmHJlc19kYXRh4oCZIG1heSBiZSB1c2VkIHVuaW5pdGlhbGl6ZWQgaW4gdGhp cyBmdW5jdGlvbgo+Cj5JdCBpcyBjYXVzZWQgYnkgdGhlIGV4aXQgcGF0aHMuIElmIHBkZXYtPmRl di5wbGF0Zm9ybV9kYXRhIGlzIHNldCwgdGhlCj5yZXNfaW5kZXggYW5kIHJlc19kYXRhIGFyZSBu ZXZlciBpbml0aWFsaXNlZCwgYnV0IGluIHRoZSBlcnJvciBjYXNlIHlvdQo+c3RpbGwgZm9yIHJ0 Y19kZXZpY2VfcmVnaXN0ZXIgeW91IGp1bXAgdG8gb3V0X2lvX2RhdGEsIHdoaWNoIHdpbGwgdGhl bgo+ZGVyZWZlcmVuY2UgcmVzX2luZGV4L3Jlc19kYXRhLiBZb3UgbmVlZCB0byBtYWtlIHRoZSBl eGl0IHBhdGhzCj5jb25kaXRpb25hbCBvbiBwZGV2LT5kZXYucGxhdGZvcm1fZGF0YSAob3IgaW5p dCByZXNfaW5kZXgvZGF0YSB0byBOVUxMCj5hbmQgbWFrZSB0aGUgcmVsZWFzZV9tZW1fcmVnaW9u cyBjb25kaXRpb25hbCBvbiB0aGF0KS4KCkhvd2V2ZXIsIHRoZSAnZ290byBvdXRfaW9fZGF0YScg aW4gdGhlICdJU19FUlIocHJpdi0+cnRjKScgaXMgd3JhcHBlZCBpbiBhICdpZiAKKCFwZGV2LT5k ZXYucGxhdGZvcm1fZGF0YSknLCBlbHNlIHdlIGp1bXAgdG8gb3V0X2ZyZWUuCgpJIHN1c3BlY3Qg SSBhbSBwcm9iYWJseSBtaXNzaW5nIHNvbWV0aGluZyAqdG9vKiBvYnZpb3VzIGhlcmUgZm9yIGl0 IHRvIGNsaWNrPwoKQ2hlZXJzCgo+PiArCXByaXYtPnJ0YyA9IHJ0Y19kZXZpY2VfcmVnaXN0ZXIo Im00OHQ4NiIsCj4+ICsJCQkJJnBkZXYtPmRldiwgJm00OHQ4Nl9ydGNfb3BzLCBUSElTX01PRFVM RSk7Cj4+ICsJaWYgKElTX0VSUihwcml2LT5ydGMpKSB7ICAgICAgICAgICAgICAgIDwtLS0tLS0t LS0tLS0tLQo+PiArCQllcnIgPSBQVFJfRVJSKHByaXYtPnJ0Yyk7Cj4+ICsJCWlmICghcGRldi0+ ZGV2LnBsYXRmb3JtX2RhdGEpICAgPC0tLS0tLS0tLS0tLS0tCj4+ICsJCQlnb3RvIG91dF9pb19k YXRhOwo+PiArCQllbHNlCj4+ICsJCQlnb3RvIG91dF9mcmVlOwo+PiArCX0KPj4KPj4gIAkvKiBy ZWFkIGJhdHRlcnkgc3RhdHVzICovCj4+IC0JcmVnID0gb3BzLT5yZWFkYnl0ZShNNDhUODZfUkVH X0QpOwo+PiAtCWRldl9pbmZvKCZkZXYtPmRldiwgImJhdHRlcnkgJXNcbiIsCj4+ICsJcmVnID0g bTQ4dDg2X3J0Y19yZWFkYnl0ZSgmcGRldi0+ZGV2LCBNNDhUODZfUkVHX0QpOwo+PiArCWRldl9p bmZvKCZwZGV2LT5kZXYsICJiYXR0ZXJ5ICVzXG4iLAo+PiAgCQkocmVnICYgTTQ4VDg2X1JFR19E X1ZSVCkgPyAib2siIDogImV4aGF1c3RlZCIpOwo+Pgo+PiAgCXJldHVybiAwOwo+PiArCj4+ICtv dXRfaW9fZGF0YToKPj4gKwlpb3VubWFwKHByaXYtPmlvX2RhdGEpOwo+PiArb3V0X2lvX2luZGV4 Ogo+PiArCWlvdW5tYXAocHJpdi0+aW9faW5kZXgpOwo+PiArb3V0X3JlbGVhc2VfZGF0YToKPj4g KwlyZWxlYXNlX21lbV9yZWdpb24ocmVzX2RhdGEtPnN0YXJ0LCByZXNvdXJjZV9zaXplKHJlc19k YXRhKSk7Cj4+ICtvdXRfcmVsZWFzZV9pbmRleDoKPj4gKwlyZWxlYXNlX21lbV9yZWdpb24ocmVz X2luZGV4LT5zdGFydCwgcmVzb3VyY2Vfc2l6ZShyZXNfaW5kZXgpKTsKPj4gK291dF9mcmVlOgo+ PiArCXBsYXRmb3JtX3NldF9kcnZkYXRhKHBkZXYsIE5VTEwpOwo+PiArCWtmcmVlKHByaXYpOwo+ PiArCXJldHVybiBlcnI7Cj4+ICB9CgotLSAKQWxleGFuZGVyIENsb3V0ZXIKLnNpZ21vbnN0ZXIg c2F5czogWmV1cyBnYXZlIExlZGEgdGhlIGJpcmQuCl9fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fCmRldmljZXRyZWUtZGlzY3VzcyBtYWlsaW5nIGxpc3QKZGV2 aWNldHJlZS1kaXNjdXNzQGxpc3RzLm96bGFicy5vcmcKaHR0cHM6Ly9saXN0cy5vemxhYnMub3Jn L2xpc3RpbmZvL2RldmljZXRyZWUtZGlzY3Vzcwo=