Re: [PATCH V8 2/2] firmware: qcom: scm: Add wait-queue handling logic

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On 11/01/2023 10:17, Sibi Sankar wrote:
+static int qcom_scm_waitq_wakeup(struct qcom_scm *scm, unsigned int wq_ctx, bool wake_all)
+{
+	int ret;
+
+	ret = qcom_scm_assert_valid_wq_ctx(wq_ctx);
+	if (ret)
+		return ret;
+
+	if (wake_all)
+		complete_all(&__scm->waitq_comp);

As you explained in v7 that there will be only one caller at any point in time and that will be synchronous, so complete_all here is a dead code, isn't it?

Adding complete_all here is missleading and will require reinit completion in case you want to reuse the same completion.

AFAIU, you should remove support to wake_all in this patchset and add it when we really can do multiple scm calls simultaneously.

--srini

--srini
+	else
+		complete(&__scm->waitq_comp);
+



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