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: dmaengine: sh: rcar-dmac: Should not stop the DMAC by rcar_dmac_sync_tcr() From: Vinod Koul Message-Id: <20180731042804.GB16775@vkoul-mobl> Date: Tue, 31 Jul 2018 09:58:04 +0530 To: Yoshihiro Shimoda Cc: vinod.koul@intel.com, dmaengine@vger.kernel.org, linux-renesas-soc@vger.kernel.org List-ID: T24gMjUtMDctMTgsIDE3OjI3LCBZb3NoaWhpcm8gU2hpbW9kYSB3cm90ZToKPiByY2FyX2RtYWNf Y2hhbl9nZXRfcmVzaWR1ZSgpIHNob3VsZCBub3Qgc3RvcCB0aGUgRE1BQywgYmVjYXVzZQo+IHRo ZSBjb21taXQgNTM4NjAzYzYwMjZjICgiZG1hZW5naW5lOiBzaDogcmNhci1kbWFjOiBhdm9pZCB0 byB3cml0ZQo+IENIQ1IuVEUgdG8gMSBpZiBUQ1IgaXMgc2V0IHRvIDAiKSBoYWQgZml4ZWQgdW5l eHBlY3RlZCByZS10cmFuc2ZlcnJpbmcKPiBpc3N1ZS4gQnV0IGl0IGhhZCBjYXVzZWQgdGhlIG5l eHQgaXNzdWUgd2hpY2ggbWlnaHQgc3RvcCB0aGUgY3ljbGljCj4gbW9kZSB0cmFuc2ZlcnJpbmcu IFRodXMsIGZvciBleGFtcGxlIFItQ2FyIHNvdW5kIG1pZ2h0IGJlIHN0b3BwZWQKPiBzdWRkZW5s eS4KPiAKPiBBY2NvcmRpbmcgdG8gdGhlIGNvbW1pdCA3M2E0N2JkMGRhNjYgKCJkbWFlbmdpbmU6 IHJjYXItZG1hYzogdXNlIFRDUkIKPiBpbnN0ZWFkIG9mIFRDUiBmb3IgcmVzaWR1ZSIpLCB0aGUg cHVycG9zZSBvZiBjbGVhcmluZyBDSENSLkRFIGJpdCBpcwo+IGZsdXNoaW5nIGJ1ZmZlcmVkIGRh dGEgdG8gY2FsY3VsYXRlIHRoZSBleGFjdCByZXNpZHVlLgo+IAo+IFN1Y2ggdGhlICJleGFjdCIg cmVzaWR1ZSBoYWQgYmVlbiByZXF1aXJlZCBieSBzaC1zY2kgZHJpdmVyLiBzaC1zY2kKPiBkcml2 ZXIgaXMgY2FsbGluZyBkbWFlbmdpbmVfcGF1c2UoKSB0byBzdG9wIHRyYW5zZmVycmluZywgYW5k IGdldAo+ICJleGFjdCIgcmVzaWR1ZS4gT3RoZXJ3aXNlLCBpdCBtaWdodCByZWNlaXZlIGV4dHJh IGRhdGEgZHVyaW5nCj4gZ2V0dGluZyByZXNpZHVlIHdpdGhvdXQgcGF1c2luZy4KPiAKPiBJbiBy eF90aW1lcl9mbigpIG9mIHNoLXNjaSBkcml2ZXI6Cj4gCWRtYWVuZ2luZV90eF9zdGF0dXMoKTsJ CS8qIEZvciBjaGVja2luZyByb3VnaGx5ICovCj4gIAlkbWFlbmdpbmVfcGF1c2UoKTsKPiAJZG1h ZW5naW5lX3R4X3N0YXR1cygpOwkJLyogRm9yIGdldHRpbmcgcmVzaWR1ZSAqLwo+IAlkbWFlbmdp bmVfdGVybWluYXRlX2FsbCgpOwo+IAo+IEJ1dCwgdW5mb3J0dW5hdGVseSB0aGUgcmNhci1kbWFj IGRyaXZlciBkaWRuJ3Qgc3VwcG9ydCBkbWFlbmdpbmVfcGF1c2UoKQo+IGF0IHRoYXQgdGltZS4g U28sIHRoZSBzaC1zY2kgZHJpdmVyIGNhbm5vdCBnZXQgdGhlICJleGFjdCIgcmVzaWR1ZQo+IHdp dGhvdXQgc3RvcHBpbmcgdGhlIHRyYW5zZmVycmluZywgYmVjYXVzZSByY2FyLWRtYWMgaXMgYnVm ZmVyaW5nIGRhdGEKPiBpbnNpZGUuCj4gCj4gQmVjYXVzZSBvZiB0aGVzZSBiYWNrZ3JvdW5kcywg cmNhci1kbWFjIGhhZCBiZWVuIGNsZWFyZWQvc2V0IENIQ1IuREUKPiBiaXQgaW4gcmNhcl9kbWFj X2NoYW5fZ2V0X3Jlc2lkdWUoKSB0byBzeW5jaHJvbml6aW5nIGRhdGEgYW5kIGdldHRpbmcKPiAi ZXhhY3QiIHJlc2lkdWUuCj4gCj4gSG93ZXZlciwgcmNhci1kbWFjIGRyaXZlciBoYXMgcmNhcl9k bWFjX2NoYW5fcGF1c2UoKSBub3csIGFuZCBjbGVhcmluZwo+IENIQ1IuREUgYml0IGluIHJjYXJf ZG1hY19jaGFuX2dldF9yZXNpZHVlKCkgZG9lc24ndCBuZWVkIGFueW1vcmUuCj4gU28sIHRoaXMg cGF0Y2ggcmVtb3ZlcyB0aGUgcmNhcl9kbWFjX3N5bmNfdGNyKCkuCgpBcHBsaWVkLCB0aGFua3MK