summaryrefslogtreecommitdiff
path: root/drivers/power/reset/at91-sama5d2_shdwc.c
diff options
context:
space:
mode:
authorOtavio Salvador <otavio@ossystems.com.br>2020-05-20 08:43:03 -0300
committerGitHub <noreply@github.com>2020-05-20 08:43:03 -0300
commit1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch)
treedf6b1a190760f51465122ca4c13492d5ac5984c6 /drivers/power/reset/at91-sama5d2_shdwc.c
parent0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff)
parent2ae782ca839e0ee07de37122ddea362adff2e975 (diff)
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'drivers/power/reset/at91-sama5d2_shdwc.c')
-rw-r--r--drivers/power/reset/at91-sama5d2_shdwc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/power/reset/at91-sama5d2_shdwc.c b/drivers/power/reset/at91-sama5d2_shdwc.c
index 90b0b5a70ce5..04ca990e8f6c 100644
--- a/drivers/power/reset/at91-sama5d2_shdwc.c
+++ b/drivers/power/reset/at91-sama5d2_shdwc.c
@@ -246,6 +246,9 @@ static int __init at91_shdwc_probe(struct platform_device *pdev)
if (!pdev->dev.of_node)
return -ENODEV;
+ if (at91_shdwc)
+ return -EBUSY;
+
at91_shdwc = devm_kzalloc(&pdev->dev, sizeof(*at91_shdwc), GFP_KERNEL);
if (!at91_shdwc)
return -ENOMEM;