From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [RFC,1/6] dma: Add Synopsys eDMA IP core driver From: Vinod Koul Message-Id: <20190103145330.GD21403@vkoul-mobl> Date: Thu, 3 Jan 2019 20:23:30 +0530 To: Gustavo Pimentel Cc: "linux-pci@vger.kernel.org" , "dmaengine@vger.kernel.org" , Eugeniy Paltsev , Andy Shevchenko , Joao Pinto List-ID: SEkgR3VzdGF2bywKCk9uIDAzLTAxLTE5LCAxMjo1NSwgR3VzdGF2byBQaW1lbnRlbCB3cm90ZToK PiBPbiAwMy8wMS8yMDE5IDEyOjQ1LCBWaW5vZCBLb3VsIHdyb3RlOgo+ID4gT24gMDMtMDEtMTks IDA5OjUzLCBHdXN0YXZvIFBpbWVudGVsIHdyb3RlOgo+ID4+IEkndmUgYSBkb3VidCBub3cuIEFz IHlvdSBrbm93LCBmb3IgYSBETUEgdHJhbnNmZXIgeW91IG5lZWQgdGhlIHNvdXJjZSBhbmQKPiA+ PiBkZXN0aW5hdGlvbiBhZGRyZXNzZXMsIHdoaWNoIGluIHRoZSBsaW1pdGVkIGNhbiBiZSBzd2Fw cGVkIGFjY29yZGluZyB0byB0aGUKPiA+PiBkaXJlY3Rpb24gTUVNX1RPX0RFVi9ERVZfVE9fTUVN IGNhc2UuCj4gPj4KPiA+PiBGb3IgdGhlIHNha2Ugb2Ygc2ltcGxpY2l0eSwgSSdsbCBqdXN0IGNv bnNpZGVyIG5vdyB0aGUgTUVNX1RPX0RFViBjYXNlLCBzaW5jZQo+ID4+IHRoZSBvdGhlciBjYXNl IGlzIHNpbWlsYXIgYnV0IHRoZSBzb3VyY2UgYW5kIGRlc3RpbmF0aW9uIGFkZHJlc3MgYXJlIHN3 YXBwZWQuCj4gPj4KPiA+PiBJbiBteSBjb2RlIEkgY2FuIGdldCBzb21lIG9mIHRoZSBpbmZvcm1h dGlvbiB0aGF0IEkgbmVlZCBieSB1c2luZyB0aGUKPiA+PiBzZ19kbWFfYWRkcmVzcygpIGluIHRo ZSBzY2F0dGVyLWdhdGhlciBsaXN0ICh3aGljaCBnaXZlcyBtZSB0aGUgc291cmNlIGFkZHJlc3Mp Lgo+ID4+Cj4gPj4gVGhlIHJlbWFpbmluZyBpbmZvcm1hdGlvbiBJIGdvdCBmcm9tIGhlcmUsIHVz aW5nIHRoZSBkaXJlY3Rpb24gdG8gaGVscCBtZSB0bwo+ID4+IHNlbGVjdCB3aGljaCBhZGRyZXNz IEknbGwgdXNlIGxhdGVyIG9uIHRoZSBETUEgdHJhbnNmZXIsIGluIHRoaXMgY2FzZSB0aGUKPiA+ PiBkZXN0aW5hdGlvbiBhZGRyZXNzLgo+ID4+Cj4gPj4gU2luY2UgdGhpcyBpcyBkZXByZWNhdGVk IGhvdyBzaG91bGQgSSBwcm9jZWVkPyBIb3cgY2FuIEkgZ2V0IHRoYXQgaW5mb3JtYXRpb24/Cj4g Pj4gVGhlcmUgaXMgc29tZSBzaW1pbGFyIGZ1bmN0aW9uIHRvIHNnX2RtYV9hZGRyZXNzKCkgdGhh dCBjb3VsZCBnaXZlIG1lIHRoZQo+ID4+IGRlc3RpbmF0aW9uIGFkZHJlc3M/Cj4gPiAKPiA+IFNv IHRoZSBkaXJlY3Rpb24gZmllbGQgaXMgZGVwcmVjYXRlZCBidXQgcmVzdCBvZiB0aGUgY29uZmln dXJhdGlvbiBjb21lcwo+ID4gZnJvbSBmcm9tIGRtYV9zbGF2ZV9jb25maWcuIFRoZSB1c2VyIHNo b3VsZCBzZXQgc3JjX2FkZHIsIGRzdF9hZGRyIGFuZAo+ID4gdGhlbiBiYXNlZCBvbiBkaXJlY3Rp b24gcGFzc2VkIGluIHRoZSAuZGV2aWNlX3ByZXBfZG1hXyogY2FsbCBhcmd1bWVudHMKPiA+IG9u ZSBjYW4gdXNlIG9uZSBvZiB0aGVzZSBhcyBwZXJpcGhlcmFsIGFkZHJlc3MuCj4gCj4gT2ssIGFu ZCB0aGUgYWRkcmVzcyBnaXZlbiBieSBzZ19kbWFfYWRkcmVzcygpPyBJcyByZWR1bmRhbnQgb3Ig bm90IGFwcGxpY2FibGUKPiBmb3IgdGhpcyBjYXNlPwoKSXQgaXMsIGl0IGlzIHRoZSBtZW1vcnkg YWRkcmVzcyB5b3UgbmVlZCB0byBwcm9ncmFtLiBUaGUgZGV2aWNlIGFkZHJlc3MKY29tZXMgZnJv bSBkbWFfc2xhdmVfY29uZmlnLgoKVG8gZWxhYm9yYXRlLCBpZiB5b3UgaGF2ZSBNRU1fVE9fREVW IHVzZSBzZ19kbWFfYWRkcmVzcygpIGZvciBzcmMKYWRkcmVzcyBhbmQgZHN0X2FkZHIgZnJvbSBk bWFfc2xhdmVfY29uZmlnLgoKU2ltaWxhcmx5IGZvciBERVZfVE9fTUVNLCB3ZSB1c2Ugc3JjX2Fk ZHIgZnJvbSBkbWFfc2xhdmVfY29uZmlnIGFuZApzZ19kbWFfYWRkcmVzcygpCgpUaGUgcGVyaXBo ZXJhbCBpcyBzdGF0aWMgYnV0IG1lbW9yeSBidWZmZXIga2VlcHMgY2hhbmdpbmcgd3J0IGRpZmZl cmVudApkZXNjcmlwdG9ycywgc28gZGV2aWNlIGFkZHJlc3MgY2FuIGJlIHByb2dyYW1tZWQgb25j ZSBmb3IgbXVsdGlwbGUKZGVzY3JpcHRvcnMgdG8gYmUgdHJhbnNmZXJyZWQgZnJvbSBhIGRldmlj ZS4KCkhUSAo=