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-rw-r--r--drivers/iommu/msm_iommu_dev.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/iommu/msm_iommu_dev.c b/drivers/iommu/msm_iommu_dev.c
index 8e8fb079852d..d344f6ab8c12 100644
--- a/drivers/iommu/msm_iommu_dev.c
+++ b/drivers/iommu/msm_iommu_dev.c
@@ -160,7 +160,7 @@ static int msm_iommu_probe(struct platform_device *pdev)
goto fail;
}
- ret = clk_enable(iommu_pclk);
+ ret = clk_prepare_enable(iommu_pclk);
if (ret)
goto fail_enable;
@@ -170,7 +170,7 @@ static int msm_iommu_probe(struct platform_device *pdev)
if (clk_get_rate(iommu_clk) == 0)
clk_set_min_rate(iommu_clk, 1);
- ret = clk_enable(iommu_clk);
+ ret = clk_prepare_enable(iommu_clk);
if (ret) {
clk_put(iommu_clk);
goto fail_pclk;
@@ -261,7 +261,7 @@ fail_clk:
clk_put(iommu_clk);
}
fail_pclk:
- clk_disable(iommu_pclk);
+ clk_disable_unprepare(iommu_pclk);
fail_enable:
clk_put(iommu_pclk);
fail:
@@ -275,8 +275,11 @@ static int msm_iommu_remove(struct platform_device *pdev)
drv = platform_get_drvdata(pdev);
if (drv) {
- if (drv->clk)
+ if (drv->clk) {
+ clk_unprepare(drv->clk);
clk_put(drv->clk);
+ }
+ clk_unprepare(drv->pclk);
clk_put(drv->pclk);
memset(drv, 0, sizeof(*drv));
kfree(drv);
@@ -314,14 +317,14 @@ static int msm_iommu_ctx_probe(struct platform_device *pdev)
INIT_LIST_HEAD(&ctx_drvdata->attached_elm);
platform_set_drvdata(pdev, ctx_drvdata);
- ret = clk_enable(drvdata->pclk);
+ ret = clk_prepare_enable(drvdata->pclk);
if (ret)
goto fail;
if (drvdata->clk) {
- ret = clk_enable(drvdata->clk);
+ ret = clk_prepare_enable(drvdata->clk);
if (ret) {
- clk_disable(drvdata->pclk);
+ clk_disable_unprepare(drvdata->pclk);
goto fail;
}
}