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: rcar-dmac: Disable interrupts while stopping channels From: Vinod Koul Message-Id: <20180709165107.GF22377@vkoul-mobl> Date: Mon, 9 Jul 2018 22:21:07 +0530 To: Geert Uytterhoeven Cc: Dan Williams , Kuninori Morimoto , Yoshihiro Shimoda , dmaengine@vger.kernel.org, linux-renesas-soc@vger.kernel.org List-ID: T24gMDItMDctMTgsIDE3OjAyLCBHZWVydCBVeXR0ZXJob2V2ZW4gd3JvdGU6Cj4gRHVyaW5nIHN5 c3RlbSByZWJvb3Qgb3IgaGFsdCwgd2l0aCBsb2NrZGVwIGVuYWJsZWQ6Cj4gCj4gICAgID09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09Cj4gICAgIFdBUk5JTkc6IGluY29uc2lzdGVudCBs b2NrIHN0YXRlCj4gICAgIDQuMTguMC1yYzEtc2FsdmF0b3IteC0wMDAwMi1nOTIwM2RiZWM5MGE2 ODEwMyAjNDEgVGFpbnRlZDogRyAgICAgICAgVwo+ICAgICAtLS0tLS0tLS0tLS0tLS0tLS0tLS0t LS0tLS0tLS0tLQo+ICAgICBpbmNvbnNpc3RlbnQge0lOLUhBUkRJUlEtV30gLT4ge0hBUkRJUlEt T04tV30gdXNhZ2UuCj4gICAgIHJlYm9vdC8yNzc5IFtIQzBbMF06U0MwWzBdOkhFMTpTRTFdIHRh a2VzOgo+ICAgICAwMDAwMDAwMDk4YWU0YWQzICgmKCZyY2hhbi0+bG9jayktPnJsb2NrKXs/Li0u fSwgYXQ6IHJjYXJfZG1hY19zaHV0ZG93bisweDU4LzB4NmMKPiAgICAge0lOLUhBUkRJUlEtV30g c3RhdGUgd2FzIHJlZ2lzdGVyZWQgYXQ6Cj4gICAgICAgbG9ja19hY3F1aXJlKzB4MjA4LzB4MjM4 Cj4gICAgICAgX3Jhd19zcGluX2xvY2srMHg0MC8weDU0Cj4gICAgICAgcmNhcl9kbWFjX2lzcl9j aGFubmVsKzB4MjgvMHgyMDAKPiAgICAgICBfX2hhbmRsZV9pcnFfZXZlbnRfcGVyY3B1KzB4MWMw LzB4M2M4Cj4gICAgICAgaGFuZGxlX2lycV9ldmVudF9wZXJjcHUrMHgzNC8weDg4Cj4gICAgICAg aGFuZGxlX2lycV9ldmVudCsweDQ4LzB4NzgKPiAgICAgICBoYW5kbGVfZmFzdGVvaV9pcnErMHhj NC8weDEyYwo+ICAgICAgIGdlbmVyaWNfaGFuZGxlX2lycSsweDE4LzB4MmMKPiAgICAgICBfX2hh bmRsZV9kb21haW5faXJxKzB4YTgvMHhhYwo+ICAgICAgIGdpY19oYW5kbGVfaXJxKzB4NzgvMHhi Ywo+ICAgICAgIGVsMV9pcnErMHhlYy8weDFjMAo+ICAgICAgIGFyY2hfY3B1X2lkbGUrMHhlOC8w eDFiYwo+ICAgICAgIGRlZmF1bHRfaWRsZV9jYWxsKzB4MmMvMHgzMAo+ICAgICAgIGRvX2lkbGUr MHgxNDQvMHgyMzQKPiAgICAgICBjcHVfc3RhcnR1cF9lbnRyeSsweDIwLzB4MjQKPiAgICAgICBy ZXN0X2luaXQrMHgyN2MvMHgyOTAKPiAgICAgICBzdGFydF9rZXJuZWwrMHg0MzAvMHg0NWMKPiAg ICAgaXJxIGV2ZW50IHN0YW1wOiAxMjE3Nwo+ICAgICBoYXJkaXJxcyBsYXN0ICBlbmFibGVkIGF0 ICgxMjE3Nyk6IFs8ZmZmZmZmODAwODgxZDgwND5dIF9yYXdfc3Bpbl91bmxvY2tfaXJxKzB4MmMv MHg0Ywo+ICAgICBoYXJkaXJxcyBsYXN0IGRpc2FibGVkIGF0ICgxMjE3Nik6IFs8ZmZmZmZmODAw ODgxZDYzOD5dIF9yYXdfc3Bpbl9sb2NrX2lycSsweDFjLzB4NjAKPiAgICAgc29mdGlycXMgbGFz dCAgZW5hYmxlZCBhdCAoMTE5NDgpOiBbPGZmZmZmZjgwMDgwODFkYTg+XSBfX2RvX3NvZnRpcnEr MHgxNjAvMHg0ZWMKPiAgICAgc29mdGlycXMgbGFzdCBkaXNhYmxlZCBhdCAoMTE5MzUpOiBbPGZm ZmZmZjgwMDgwZWM5NDg+XSBpcnFfZXhpdCsweGEwLzB4ZmMKPiAKPiAgICAgb3RoZXIgaW5mbyB0 aGF0IG1pZ2h0IGhlbHAgdXMgZGVidWcgdGhpczoKPiAgICAgIFBvc3NpYmxlIHVuc2FmZSBsb2Nr aW5nIHNjZW5hcmlvOgo+IAo+IAkgICBDUFUwCj4gCSAgIC0tLS0KPiAgICAgICBsb2NrKCYoJnJj aGFuLT5sb2NrKS0+cmxvY2spOwo+ICAgICAgIDxJbnRlcnJ1cHQ+Cj4gCWxvY2soJigmcmNoYW4t PmxvY2spLT5ybG9jayk7Cj4gCj4gICAgICAqKiogREVBRExPQ0sgKioqCj4gCj4gICAgIDMgbG9j a3MgaGVsZCBieSByZWJvb3QvMjc3OToKPiAgICAgICMwOiAwMDAwMDAwMGJmYWJmYTc0IChyZWJv b3RfbXV0ZXgpeysuKy59LCBhdDogc3lzX3JlYm9vdCsweGRjLzB4MjA4Cj4gICAgICAjMTogMDAw MDAwMDBjNzVkOGMzYSAoJmRldi0+bXV0ZXgpey4uLi59LCBhdDogZGV2aWNlX3NodXRkb3duKzB4 YzgvMHgxYzQKPiAgICAgICMyOiAwMDAwMDAwMGViZWM1OGVjICgmZGV2LT5tdXRleCl7Li4uLn0s IGF0OiBkZXZpY2Vfc2h1dGRvd24rMHhkOC8weDFjNAo+IAo+ICAgICBzdGFjayBiYWNrdHJhY2U6 Cj4gICAgIENQVTogNiBQSUQ6IDI3NzkgQ29tbTogcmVib290IFRhaW50ZWQ6IEcgICAgICAgIFcg ICAgICAgICA0LjE4LjAtcmMxLXNhbHZhdG9yLXgtMDAwMDItZzkyMDNkYmVjOTBhNjgxMDMgIzQx Cj4gICAgIEhhcmR3YXJlIG5hbWU6IFJlbmVzYXMgU2FsdmF0b3ItWCAybmQgdmVyc2lvbiBib2Fy ZCBiYXNlZCBvbiByOGE3Nzk1IEVTMi4wKyAoRFQpCj4gICAgIENhbGwgdHJhY2U6Cj4gICAgICBk dW1wX2JhY2t0cmFjZSsweDAvMHgxNDgKPiAgICAgIHNob3dfc3RhY2srMHgxNC8weDFjCj4gICAg ICBkdW1wX3N0YWNrKzB4YjAvMHhmMAo+ICAgICAgcHJpbnRfdXNhZ2VfYnVnLnBhcnQuMjYrMHgx YzQvMHgyN2MKPiAgICAgIG1hcmtfbG9jaysweDM4Yy8weDYxMAo+ICAgICAgX19sb2NrX2FjcXVp cmUrMHgzZmMvMHgxNGQ0Cj4gICAgICBsb2NrX2FjcXVpcmUrMHgyMDgvMHgyMzgKPiAgICAgIF9y YXdfc3Bpbl9sb2NrKzB4NDAvMHg1NAo+ICAgICAgcmNhcl9kbWFjX3NodXRkb3duKzB4NTgvMHg2 Ywo+ICAgICAgcGxhdGZvcm1fZHJ2X3NodXRkb3duKzB4MjAvMHgyYwo+ICAgICAgZGV2aWNlX3No dXRkb3duKzB4MTYwLzB4MWM0Cj4gICAgICBrZXJuZWxfcmVzdGFydF9wcmVwYXJlKzB4MzQvMHgz Ywo+ICAgICAga2VybmVsX3Jlc3RhcnQrMHgxNC8weDVjCj4gICAgICBzeXNfcmVib290KzB4MTYw LzB4MjA4Cj4gICAgICBlbDBfc3ZjX25ha2VkKzB4MzAvMHgzNAo+IAo+IHJjYXJfZG1hY19zdG9w X2FsbF9jaGFuKCkgdGFrZXMgdGhlIGNoYW5uZWwgbG9jayB3aGlsZSBzdG9wcGluZyBhCj4gY2hh bm5lbCwgYnV0IGRvZXMgbm90IGRpc2FibGUgaW50ZXJydXB0cywgbGVhZGluZyB0byBhIGRlYWRs b2NrIHdoZW4gYQo+IERNQUMgaW50ZXJydXB0IGNvbWVzIGluLiAgQmVmb3JlLCB0aGUgc2FtZSBj b2RlIGJsb2NrIHdhcyBjYWxsZWQgZnJvbSBhbgo+IGludGVycnVwdCBoYW5kbGVyLCBoZW5jZSB0 YWtpbmcgdGhlIHNwaW5sb2NrIHdhcyBzdWZmaWNpZW50Lgo+IAo+IEZpeCB0aGlzIGJ5IGRpc2Fi bGluZyBsb2NhbCBpbnRlcnJ1cHRzIHdoaWxlIHRha2luZyB0aGUgc3BpbmxvY2suCgpBcHBsaWVk LCB0aGFua3MK