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path: root/drivers/misc/sram.c
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Diffstat (limited to 'drivers/misc/sram.c')
-rw-r--r--drivers/misc/sram.c28
1 files changed, 8 insertions, 20 deletions
diff --git a/drivers/misc/sram.c b/drivers/misc/sram.c
index f0e7f02605eb..99413310956b 100644
--- a/drivers/misc/sram.c
+++ b/drivers/misc/sram.c
@@ -218,14 +218,9 @@ static int sram_reserve_regions(struct sram_dev *sram, struct resource *res)
block->res = child_res;
list_add_tail(&block->list, &reserve_list);
- if (of_find_property(child, "export", NULL))
- block->export = true;
-
- if (of_find_property(child, "pool", NULL))
- block->pool = true;
-
- if (of_find_property(child, "protect-exec", NULL))
- block->protect_exec = true;
+ block->export = of_property_read_bool(child, "export");
+ block->pool = of_property_read_bool(child, "pool");
+ block->protect_exec = of_property_read_bool(child, "protect-exec");
if ((block->export || block->pool || block->protect_exec) &&
block->size) {
@@ -381,6 +376,7 @@ static int sram_probe(struct platform_device *pdev)
struct sram_dev *sram;
int ret;
struct resource *res;
+ struct clk *clk;
config = of_device_get_match_data(&pdev->dev);
@@ -409,16 +405,14 @@ static int sram_probe(struct platform_device *pdev)
return PTR_ERR(sram->pool);
}
- sram->clk = devm_clk_get(sram->dev, NULL);
- if (IS_ERR(sram->clk))
- sram->clk = NULL;
- else
- clk_prepare_enable(sram->clk);
+ clk = devm_clk_get_optional_enabled(sram->dev, NULL);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
ret = sram_reserve_regions(sram,
platform_get_resource(pdev, IORESOURCE_MEM, 0));
if (ret)
- goto err_disable_clk;
+ return ret;
platform_set_drvdata(pdev, sram);
@@ -436,9 +430,6 @@ static int sram_probe(struct platform_device *pdev)
err_free_partitions:
sram_free_partitions(sram);
-err_disable_clk:
- if (sram->clk)
- clk_disable_unprepare(sram->clk);
return ret;
}
@@ -452,9 +443,6 @@ static int sram_remove(struct platform_device *pdev)
if (sram->pool && gen_pool_avail(sram->pool) < gen_pool_size(sram->pool))
dev_err(sram->dev, "removed while SRAM allocated\n");
- if (sram->clk)
- clk_disable_unprepare(sram->clk);
-
return 0;
}