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: qcom: bam_dma: check if the runtime pm enabled From: Srinivas Kandagatla Message-Id: <2136d6a5-c039-d319-0d32-b0f6ef81e4e0@linaro.org> Date: Thu, 17 May 2018 10:20:51 +0100 To: Vinod Cc: agross@codeaurora.org, dmaengine@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-ID: T24gMTcvMDUvMTggMDY6MjEsIFZpbm9kIHdyb3RlOgo+IE9uIDE0LTA1LTE4LCAxNzoxOCwgU3Jp bml2YXMgS2FuZGFnYXRsYSB3cm90ZToKPj4gRGlzYWJsaW5nIHBtIHJ1bnRpbWUgYXQgcHJvYmUg aXMgbm90IHN1ZmZpY2llbnQgdG8gZ2V0IEJBTSB3b3JraW5nCj4+IG9uIHJlbW90ZWx5IGNvbnRy b2xsZXIgaW5zdGFuY2VzLiBwbV9ydW50aW1lX2dldF9zeW5jKCkgd291bGQgcmV0dXJuCj4+IC1F QUNDRVMgaW4gc3VjaCBjYXNlcy4KPj4gU28gY2hlY2sgaWYgcnVudGltZSBwbSBpcyBlbmFibGVk IGJlZm9yZSByZXR1cm5pbmcgZXJyb3IgZnJvbSBiYW0gZnVuY3Rpb25zLgo+Pgo+PiBGaXhlczog NWI0YTY4OTUyYTg5ICgiZG1hZW5naW5lOiBxY29tOiBiYW1fZG1hOiBkaXNhYmxlIHJ1bnRpbWUg cG0gb24gcmVtb3RlIGNvbnRyb2xsZWQiKQo+PiBTaWduZWQtb2ZmLWJ5OiBTcmluaXZhcyBLYW5k YWdhdGxhIDxzcmluaXZhcy5rYW5kYWdhdGxhQGxpbmFyby5vcmc+Cj4+IC0tLQo+PiAgIGRyaXZl cnMvZG1hL3Fjb20vYmFtX2RtYS5jIHwgMTAgKysrKystLS0tLQo+PiAgIDEgZmlsZSBjaGFuZ2Vk LCA1IGluc2VydGlvbnMoKyksIDUgZGVsZXRpb25zKC0pCj4+Cj4+IGRpZmYgLS1naXQgYS9kcml2 ZXJzL2RtYS9xY29tL2JhbV9kbWEuYyBiL2RyaXZlcnMvZG1hL3Fjb20vYmFtX2RtYS5jCj4+IGlu ZGV4IGQyOTI3NWI5N2U4NC4uNWY0YmFiZWJjNTA4IDEwMDY0NAo+PiAtLS0gYS9kcml2ZXJzL2Rt YS9xY29tL2JhbV9kbWEuYwo+PiArKysgYi9kcml2ZXJzL2RtYS9xY29tL2JhbV9kbWEuYwo+PiBA QCAtNTQwLDcgKzU0MCw3IEBAIHN0YXRpYyB2b2lkIGJhbV9mcmVlX2NoYW4oc3RydWN0IGRtYV9j aGFuICpjaGFuKQo+PiAgIAlpbnQgcmV0Owo+PiAgIAo+PiAgIAlyZXQgPSBwbV9ydW50aW1lX2dl dF9zeW5jKGJkZXYtPmRldik7Cj4+IC0JaWYgKHJldCA8IDApCj4+ICsJaWYgKHBtX3J1bnRpbWVf ZW5hYmxlZChiZGV2LT5kZXYpICYmIHJldCA8IDApCj4gCj4gd291bGQgaXQgbWFrZSBzZW5zZSB0 byBmaXJzdCBjaGVjayBlbmFibGVkIGFuZCBkbyBfZ2V0X3N5bmMoKQo+CkJvdGggb2YgdGhlbSBj aGVjayB0aGUgZGlzYWJsZV9kZXB0aCwgaG93ZXZlciBkb2luZyBpdCB0aGUgd2F5IHlvdSAKc3Vn Z2VzdGVkIHdvdWxkIGF2b2lkIHNvbWUgYWRkaXRpb25hbCBjYWxscy4KCj4gICAgICAgICAgaWYg KHBtX3J1bnRpbWVfZW5hYmxlZCgpKSB7Cj4gICAgICAgICAgICAgICAgICByZXQgPSBwbV9ydW50 aW1lX2dldF9zeW5jKCkgewo+ICAgICAgICAgICAgICAgICAgLi4uCj4gICAgICAgICAgICAgICAg ICB9Cj4gICAgICAgICAgfQpzb3VuZCBsaWtlIGdvb2QgaWRlYSEKPiAKSnVzdCBub3RpY2VkIHRo YXQgc29tZSBvZiB0aGUgZHJpdmVycyB1c2U6CgogICAgICAgICBlcnIgPSBwbV9ydW50aW1lX2dl dF9zeW5jKGRldik7CiAgICAgICAgIGlmIChlcnIgPCAwICYmIGVyciAhPS1FQUNDRVMpCgkJcmV0 dXJuOwoKb3RoZXJzIHdhcnAgdXAgdGhpcyBpbnRvIGxvY2FsIGZ1bmN0aW9uLgoKV2lsbCBzZW5k IGEgdjIhCgoKdGhhbmtzLApzcmluaQoKPiB0aHVzIG1ha2luZyBjbGVhciBpbiBjb2RlIHRoYXQg d2UgZG8gY2FsbHMgb25seSB3aGVuIGl0IGlzIGVuYWJsZWQuIEFsc28geW91IGNhbgo+IGFkZCBh IGxvY2FsIG1hY3JvIGZvciB0aGlzIGNvZGUgYW5kIHVzZSB0aGF0IHJhdGhlciB0aGFuIGNvcHkg cGFzdGluZyA6KQo+Ci0tLQpUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUg bGluZSAidW5zdWJzY3JpYmUgZG1hZW5naW5lIiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8g bWFqb3Jkb21vQHZnZXIua2VybmVsLm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8v dmdlci5rZXJuZWwub3JnL21ham9yZG9tby1pbmZvLmh0bWwK