Commit 8bfc73ec authored Sep 14, 2020 by Jiacheng Zheng

clk: qcom: gdsc-regulator: return defer when mailbox is not ready



When mailbox is not ready and mbox_request_channel returns
-EAGAIN, we should return -EPROBE_DEFER and let driver
framework try probing us again later.

Change-Id: Ia6245c057fb551266fcb7a3d44238ffd2e09e5f6
Signed-off-by: Jiacheng Zheng <jiaczhen@codeaurora.org>

parent 62de385d

drivers/clk/qcom/gdsc-regulator.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -863,6 +863,8 @@ static int gdsc_probe(struct platform_device *pdev)
		sc->mbox = mbox_request_channel(&sc->mbox_client, 0);
		if (IS_ERR(sc->mbox)) {
		ret = PTR_ERR(sc->mbox);
		if (ret == -EAGAIN)
		ret = -EPROBE_DEFER;
		if (ret != -EPROBE_DEFER)
		dev_err(&pdev->dev, "mailbox channel request failed, ret=%d\n",
		ret);