diff options
Diffstat (limited to 'drivers/memory/tegra/tegra20-emc.c')
| -rw-r--r-- | drivers/memory/tegra/tegra20-emc.c | 12 |
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/memory/tegra/tegra20-emc.c b/drivers/memory/tegra/tegra20-emc.c index 7193f848d17e..44ac55feacd3 100644 --- a/drivers/memory/tegra/tegra20-emc.c +++ b/drivers/memory/tegra/tegra20-emc.c @@ -474,14 +474,15 @@ tegra_emc_find_node_by_ram_code(struct tegra_emc *emc) ram_code = tegra_read_ram_code(); - for (np = of_find_node_by_name(dev->of_node, "emc-tables"); np; - np = of_find_node_by_name(np, "emc-tables")) { + for_each_child_of_node(dev->of_node, np) { + if (!of_node_name_eq(np, "emc-tables")) + continue; err = of_property_read_u32(np, "nvidia,ram-code", &value); if (err || value != ram_code) { struct device_node *lpddr2_np; bool cfg_mismatches = false; - lpddr2_np = of_find_node_by_name(np, "lpddr2"); + lpddr2_np = of_get_child_by_name(np, "lpddr2"); if (lpddr2_np) { const struct lpddr2_info *info; @@ -518,7 +519,6 @@ tegra_emc_find_node_by_ram_code(struct tegra_emc *emc) } if (cfg_mismatches) { - of_node_put(np); continue; } } @@ -1191,10 +1191,8 @@ static int tegra_emc_probe(struct platform_device *pdev) int irq, err; irq = platform_get_irq(pdev, 0); - if (irq < 0) { - dev_err(&pdev->dev, "please update your device tree\n"); + if (irq < 0) return irq; - } emc = devm_kzalloc(&pdev->dev, sizeof(*emc), GFP_KERNEL); if (!emc) |