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: Revert "dmaengine: pl330: add DMA_PAUSE feature" From: Vinod Koul Message-Id: <20180518040349.GB2932@vkoul-mobl> Date: Fri, 18 May 2018 09:33:49 +0530 To: Frank Mori Hess Cc: Marek Szyprowski , dmaengine@vger.kernel.org, linux-kernel@vger.kernel.org, Dan Williams , r.baldyga@hackerion.com, Krzysztof Kozlowski , Bartlomiej Zolnierkiewicz , Linux Samsung SOC List-ID: T24gMTctMDUtMTgsIDEyOjIwLCBGcmFuayBNb3JpIEhlc3Mgd3JvdGU6Cj4gU29ycnkgdG8ga2Vl cCBjb21pbmcgYmFjayB0byB0aGlzLCBidXQgSSdtIGV4cGVyaWVuY2luZyBhIGJpdCBvZgo+IGlu Y3JlZHVsaXR5IHRoYXQgeW91IGFyZSBzYXlpbmcgd2hhdCB5b3Ugc2VlbSB0byBiZSBzYXlpbmcu ICBZb3Ugc2VlbQo+IHRvIGJlIHNheWluZyBkbWFlbmdpbmUgcHJvdmlkZXMgbm8gd2F5IHRvIHBl cm1hbmVudGx5IHN0b3AgYSB0cmFuc2Zlcgo+IHNhZmVseSBvdGhlciB0aGFuIHRyYW5zZmVycmlu ZyB0aGUgZnVsbCBudW1iZXIgb2YgYnl0ZXMgaW5pdGlhbGx5Cj4gcmVxdWVzdGVkLiAgU28gdGhl IHByb3BlciByZXNvbHV0aW9uIGlzIHRoZSA4MjUwIHNlcmlhbCBkcml2ZXIgbmVlZHMKPiB0byBy ZW1vdmUgcnggZG1hIHN1cHBvcnQsIGJlY2F1c2UgdGhleSBhcmUganVzdCB0cnlpbmcgdG8gZG8g c29tZXRoaW5nCj4gdGhhdCBpcyBub3Qgc3VwcG9ydGVkLgo+IAo+IE9uIFRodSwgTWF5IDE3LCAy MDE4IGF0IDEyOjE5IEFNLCBWaW5vZCBLb3VsIDx2aW5vZC5rb3VsQGxpbmFyby5vcmc+IHdyb3Rl Ogo+ID4+ID4gVGVybWluYXRlIGlzIGFib3J0LCBkYXRhIGxvc3MgbWF5IGhhcHBlbiBoZXJlLgo+ ID4+Cj4gPj4gV2FpdCwgYXJlIHlvdSBzYXlpbmcgaWYgeW91IGRvCj4gPj4KPiA+PiBkbWEgcGF1 c2UKPiA+Cj4gPiBubyBkYXRhIGxvc3MKPiA+PiByZWFkIHJlc2lkdWUKPiA+Cj4gPiBoZXJlIGFz IHdlbGwKPiA+PiBkbWEgdGVybWluYXRlCj4gPgo+ID4gT2ggeWVzLCB3ZSBhYm9ydGVkLi4uCj4g Pj4KPiAKPiBJIHNlZSB0d28gd2F5cyBvZiBpbnRlcnByZXRpbmcgd2hhdCB5b3UgYXJlIHNheWlu Zy4gRmlyc3QsIGZyb20gdGhlCj4gcG9pbnQgb2YgdmlldyBvZiB0aGUgdXNlciBvZiB0aGUgZG1h ZW5naW5lIGFwaS4gIEZyb20gdGhpcyBwb2ludCBvZgo+IHZpZXcgaXQgaXMgaW1wb3NzaWJsZSBm b3IgZGF0YSBsb3NzIHRvIG9jY3VyIGR1cmluZyBwYXVzZSBvciByZWFkaW5nCj4gdGhlIHJlc2lk dWUsIHNvIHNheWluZyB0aGV5IGNhdXNlIG5vIGRhdGEgbG9zcyBkdXJpbmcKPiBwYXVzZS9yZXNp ZHVlL3Rlcm1pbmF0ZSBpcyBtZWFuaW5nbGVzcy4gIFRoaXMgaXMgYmVjYXVzZSB0aGUgdXNlcgo+ IGNhbid0IGNvbmZpcm0gYW55IGRhdGEgbG9zcyB1bnRpbCBhZnRlciB0aGV5IGhhdmUgcmVhZCB0 aGUgcmVzaWR1ZSBhbmQKPiB0aGUgdHJhbnNmZXIgaXMgdGVybWluYXRlZCwgc2luY2Ugb3B0aW1p c3RpY2FsbHkgdGhlIGRhdGEgbWF5IHN0aWxsIGJlCj4gYXZhaWxhYmxlIGlmIG9ubHkgdGhlIHVz ZXIgd291bGQgcmVzdW1lIGFuZCBhbGxvdyB0aGUgdHJhbnNmZXIgdG8KPiBjb250aW51ZS4KPiAK PiBTZWNvbmQgdGhlcmUgaXMgdGhlIGludGVycHJldGF0aW9uIEkgd2FudCB0byBiZWxpZXZlLiAg VGhpcyBpcyAibm8KPiBkYXRhIGxvc3Mgb24gcGF1c2UiIG1lYW5zIHRoYXQgYWZ0ZXIgdGhlIHBh dXNlLCBubyBkYXRhIGhhcyBiZWVuCj4gZGlzY2FyZGVkIGJ5IHRoZSBkbWEgY29udHJvbGxlciBo YXJkd2FyZSwgaW4gZmFjdCBhbGwgdGhlIGRhdGEgaXQgaGFzCj4gcmVhZCBiZWZvcmUgYmVpbmcg cGF1c2VkIGhhcyBiZWVuIGZ1bGx5IHRyYW5zZmVycmVkIHRvIGl0cwo+IGRlc3RpbmF0aW9uLiAg UmVhZGluZyB0aGUgcmVzaWR1ZSB3aGlsZSBwYXVzZWQgZ2l2ZXMgeW91IGFuIGFjY3VyYXRlLAo+ IHVwLXRvLWRhdGUgc3RhdGUgb2YgdGhlIHBhdXNlZCB0cmFuc2Zlci4gIFRoZW4gZmluYWxseSwg YWx0aG91Z2ggaW4KPiBnZW5lcmFsIGRtYSB0ZXJtaW5hdGUgY2F1c2VzIGRhdGEgbG9zcywgaXQg ZG9lcyBub3QgaW4gdGhpcyBjYXNlIHNpbmNlCj4gd2UgdGVybWluYXRlZCB3aGlsZSB3ZSB3ZXJl IHBhdXNlZCBhbmQgcmVhZCB0aGUgdXAtdG8tZGF0ZSByZXNpZHVlLgo+IFRoaXMgaXMgdGhlIGlu dGVycHJldGF0aW9uIGltcGxpY2l0IGluIHRoZSA4MjUwIHNlcmlhbCBkcml2ZXIuCgpZb3UgYXJl IHNpbXBseSBtaXhpbmcgdGhpbmdzIHVwISBPbiBQYXVzZSB3ZSBkb24ndCBleHBlY3QgZGF0YSBs b3NzLCBhcyB1c2VyIGNhbgpyZXN1bWUgdGhlIHRyYW5zZmVyLiBUaGlzIG1lYW5zIGFzIHlvdSBy aWdodGx5IGd1ZXNzZWQsIHRoZSBETUEgSFcgc2hvdWxkIG5vdCBkcm9wCmFueSBkYXRhLCBub3Ig c2hvdWxkIFNXLgoKTm93IGlmIHlvdSB3YW50IHRvIHJlYWQgcmVzaWR1ZSBhdCB0aGlzIHBvaW50 IGl0IGlzIHBlcmZlY3RseSB2YWxpZC4gQnV0IGlmIHlvdQpkZWNpZGUgdG8gdGVybWluYXRlIHRo ZSBjaGFubmVsICh5ZXMgaXQgaXMgdGVybWluYXRlX2FsbCBBUEkpLCB3ZSBhYm9ydCBhbmQgZG9u J3QKaGF2ZSBjb250ZXh0IHRvIHJlcG9ydCBiYWNrIQoKQXMgTGFycyByaWdodGx5IHBvaW50ZWQg b3V0LCByZXNpZHVlIGNhbGN1bGF0aW9uIGFyZSB2ZXJ5IHRyaWNreSwgRE1BIGZpZm8gbWF5Cmhh dmUgZGF0YSwgc29tZSBkYXRhIG1heSBiZSBpbiBkZXZpY2UgRklGTywgc28gcmVzaWR1ZSBpcyBh bHdheXMgZnJvbSBETUEgcG9pbnQKb2YgdmlldyBhbmQgbWF5IGRpZmZlciBmcm9tIGRldmljZSB2 aWV3IChtb3JlIG9yIGxlc3MgZGVwZW5kaW5nIHVwb24gZGlyZWN0aW9uKQoKTm93IGlmIHlvdSBy ZXF1aXJlIHRvIGFkZCBtb3JlIGZlYXR1cmVzIGZvciB5b3VyIHVzZWNhc2UsIHBsZWFzZSBkbyBm ZWVsIGZyZWUgdG8Kc2VuZCBhIHBhdGNoLiBUaGUgZnJhbWV3b3JrIGNhbiBhbHdheXMgYmUgaW1w cm92ZWQsIHdlIGhhdmVuJ3Qgc29sdmVkIHdvcmxkCmh1bmdlciB5ZXQhCg==