ARM: tegra: fix ignored return value of regulator_enable

This fixes:

arch/arm/mach-tegra/board-harmony-pcie.c: In function ‘harmony_pcie_init’:
arch/arm/mach-tegra/board-harmony-pcie.c:65:18: warning: ignoring return
    value of ‘regulator_enable’, declared with attribute
    warn_unused_result [-Wunused-result]

Signed-off-by: Stephen Warren <swarren@nvidia.com>

1 files changed, 6 insertions, 1 deletions

diff --git a/arch/arm/mach-tegra/board-harmony-pcie.c b/arch/arm/mach-tegra/board-harmony-pcie.c
index 3cdc1bb8254c..d195db09ea32 100644
--- a/arch/arm/mach-tegra/board-harmony-pcie.c
+++ b/arch/arm/mach-tegra/board-harmony-pcie.c
@@ -62,7 +62,11 @@ int __init harmony_pcie_init(void)
                 goto err_reg;
         }
 
-        regulator_enable(regulator);
+        err = regulator_enable(regulator);
+        if (err) {
+                pr_err("%s: regulator_enable failed: %d\n", __func__, err);
+                goto err_en;
+        }
 
         err = tegra_pcie_init(true, true);
         if (err) {
@@ -74,6 +78,7 @@ int __init harmony_pcie_init(void)
 
 err_pcie:
         regulator_disable(regulator);
+err_en:
         regulator_put(regulator);
 err_reg:
         gpio_free(en_vdd_1v05);