diff options
| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-05-09 21:58:20 +0300 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-05-09 21:59:07 +0300 |
| commit | 9935448e207cc9e7e5fd3c6aa3282ff503f263c4 (patch) | |
| tree | a43f75f5dd940664f468418d59d3879ffff75b8f /drivers/iommu/rockchip-iommu.c | |
| parent | 41a5985f173bf1f93d2634fc93d8aa53683067f9 (diff) | |
| parent | 75bc37fefc4471e718ba8e651aa74673d4e0a9eb (diff) | |
| download | linux-9935448e207cc9e7e5fd3c6aa3282ff503f263c4.tar.xz | |
Merge tag 'v4.17-rc4' into rproc-next
Pick up fixes from rproc-v4.17-1
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'drivers/iommu/rockchip-iommu.c')
| -rw-r--r-- | drivers/iommu/rockchip-iommu.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c index 5fc8656c60f9..0468acfa131f 100644 --- a/drivers/iommu/rockchip-iommu.c +++ b/drivers/iommu/rockchip-iommu.c @@ -1098,7 +1098,7 @@ static int rk_iommu_of_xlate(struct device *dev, data->iommu = platform_get_drvdata(iommu_dev); dev->archdata.iommu = data; - of_dev_put(iommu_dev); + platform_device_put(iommu_dev); return 0; } @@ -1175,8 +1175,15 @@ static int rk_iommu_probe(struct platform_device *pdev) for (i = 0; i < iommu->num_clocks; ++i) iommu->clocks[i].id = rk_iommu_clocks[i]; + /* + * iommu clocks should be present for all new devices and devicetrees + * but there are older devicetrees without clocks out in the wild. + * So clocks as optional for the time being. + */ err = devm_clk_bulk_get(iommu->dev, iommu->num_clocks, iommu->clocks); - if (err) + if (err == -ENOENT) + iommu->num_clocks = 0; + else if (err) return err; err = clk_bulk_prepare(iommu->num_clocks, iommu->clocks); |