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path: root/drivers/memory/atmel-ebi.c
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Diffstat (limited to 'drivers/memory/atmel-ebi.c')
-rw-r--r--drivers/memory/atmel-ebi.c35
1 files changed, 12 insertions, 23 deletions
diff --git a/drivers/memory/atmel-ebi.c b/drivers/memory/atmel-ebi.c
index e8bb5f37f5cb..8db970da9af9 100644
--- a/drivers/memory/atmel-ebi.c
+++ b/drivers/memory/atmel-ebi.c
@@ -6,6 +6,7 @@
* Copyright (C) 2013 Jean-Jacques Hiblot <jjhiblot@traphandler.com>
*/
+#include <linux/cleanup.h>
#include <linux/clk.h>
#include <linux/io.h>
#include <linux/mfd/syscon.h>
@@ -517,7 +518,7 @@ static int atmel_ebi_dev_disable(struct atmel_ebi *ebi, struct device_node *np)
static int atmel_ebi_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
- struct device_node *child, *np = dev->of_node, *smc_np;
+ struct device_node *np = dev->of_node;
struct atmel_ebi *ebi;
int ret, reg_cells;
struct clk *clk;
@@ -541,30 +542,24 @@ static int atmel_ebi_probe(struct platform_device *pdev)
ebi->clk = clk;
- smc_np = of_parse_phandle(dev->of_node, "atmel,smc", 0);
+ struct device_node *smc_np __free(device_node) =
+ of_parse_phandle(dev->of_node, "atmel,smc", 0);
ebi->smc.regmap = syscon_node_to_regmap(smc_np);
- if (IS_ERR(ebi->smc.regmap)) {
- ret = PTR_ERR(ebi->smc.regmap);
- goto put_node;
- }
+ if (IS_ERR(ebi->smc.regmap))
+ return PTR_ERR(ebi->smc.regmap);
ebi->smc.layout = atmel_hsmc_get_reg_layout(smc_np);
- if (IS_ERR(ebi->smc.layout)) {
- ret = PTR_ERR(ebi->smc.layout);
- goto put_node;
- }
+ if (IS_ERR(ebi->smc.layout))
+ return PTR_ERR(ebi->smc.layout);
ebi->smc.clk = of_clk_get(smc_np, 0);
if (IS_ERR(ebi->smc.clk)) {
- if (PTR_ERR(ebi->smc.clk) != -ENOENT) {
- ret = PTR_ERR(ebi->smc.clk);
- goto put_node;
- }
+ if (PTR_ERR(ebi->smc.clk) != -ENOENT)
+ return PTR_ERR(ebi->smc.clk);
ebi->smc.clk = NULL;
}
- of_node_put(smc_np);
ret = clk_prepare_enable(ebi->smc.clk);
if (ret)
return ret;
@@ -597,7 +592,7 @@ static int atmel_ebi_probe(struct platform_device *pdev)
reg_cells += val;
- for_each_available_child_of_node(np, child) {
+ for_each_available_child_of_node_scoped(np, child) {
if (!of_property_present(child, "reg"))
continue;
@@ -607,18 +602,12 @@ static int atmel_ebi_probe(struct platform_device *pdev)
child);
ret = atmel_ebi_dev_disable(ebi, child);
- if (ret) {
- of_node_put(child);
+ if (ret)
return ret;
- }
}
}
return of_platform_populate(np, NULL, NULL, dev);
-
-put_node:
- of_node_put(smc_np);
- return ret;
}
static __maybe_unused int atmel_ebi_resume(struct device *dev)