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path: root/drivers/memory/samsung/exynos5422-dmc.c
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Diffstat (limited to 'drivers/memory/samsung/exynos5422-dmc.c')
-rw-r--r--drivers/memory/samsung/exynos5422-dmc.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 4733e7898ffe..c491cd549644 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -1187,33 +1187,39 @@ static int of_get_dram_timings(struct exynos5_dmc *dmc)
dmc->timing_row = devm_kmalloc_array(dmc->dev, TIMING_COUNT,
sizeof(u32), GFP_KERNEL);
- if (!dmc->timing_row)
- return -ENOMEM;
+ if (!dmc->timing_row) {
+ ret = -ENOMEM;
+ goto put_node;
+ }
dmc->timing_data = devm_kmalloc_array(dmc->dev, TIMING_COUNT,
sizeof(u32), GFP_KERNEL);
- if (!dmc->timing_data)
- return -ENOMEM;
+ if (!dmc->timing_data) {
+ ret = -ENOMEM;
+ goto put_node;
+ }
dmc->timing_power = devm_kmalloc_array(dmc->dev, TIMING_COUNT,
sizeof(u32), GFP_KERNEL);
- if (!dmc->timing_power)
- return -ENOMEM;
+ if (!dmc->timing_power) {
+ ret = -ENOMEM;
+ goto put_node;
+ }
dmc->timings = of_lpddr3_get_ddr_timings(np_ddr, dmc->dev,
DDR_TYPE_LPDDR3,
&dmc->timings_arr_size);
if (!dmc->timings) {
- of_node_put(np_ddr);
dev_warn(dmc->dev, "could not get timings from DT\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_node;
}
dmc->min_tck = of_lpddr3_get_min_tck(np_ddr, dmc->dev);
if (!dmc->min_tck) {
- of_node_put(np_ddr);
dev_warn(dmc->dev, "could not get tck from DT\n");
- return -EINVAL;
+ ret = -EINVAL;
+ goto put_node;
}
/* Sorted array of OPPs with frequency ascending */
@@ -1227,13 +1233,14 @@ static int of_get_dram_timings(struct exynos5_dmc *dmc)
clk_period_ps);
}
- of_node_put(np_ddr);
/* Take the highest frequency's timings as 'bypass' */
dmc->bypass_timing_row = dmc->timing_row[idx - 1];
dmc->bypass_timing_data = dmc->timing_data[idx - 1];
dmc->bypass_timing_power = dmc->timing_power[idx - 1];
+put_node:
+ of_node_put(np_ddr);
return ret;
}