Commit 0c4fd1b1 authored Mar 16, 2016 by Mathew Joseph Karimpanal Committed by Patrick Daly Sep 27, 2016

iommu/arm-smmu: Defer SMMU probe if clock-tree is not ready



A few clocks like gpu_ahb_clk may be available late on some platforms
like on boards that use an I2C-controlled off-SoC power regulator.
Defer SMMU probe if clock-tree is not ready.

CRs-fixed: 971957
Change-Id: I3f13b36affa0a904bda7175d0dacff298794a906
Signed-off-by: Mathew Joseph Karimpanal <mkarim@codeaurora.org>
Signed-off-by: Patrick Daly <pdaly@codeaurora.org>

parent 3e52a7e8

drivers/iommu/arm-smmu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -2731,7 +2731,7 @@ static int arm_smmu_init_clocks(struct arm_smmu_device *smmu)
		if (IS_ERR(c)) {
		dev_err(dev, "Couldn't get clock: %s",
		cname);
		return -ENODEV;
		return PTR_ERR(c);
		}

		if (clk_get_rate(c) == 0) {