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-rw-r--r--drivers/reset/tegra/reset-bpmp.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/reset/tegra/reset-bpmp.c b/drivers/reset/tegra/reset-bpmp.c
index 24d3395964cc..4c5bba52b105 100644
--- a/drivers/reset/tegra/reset-bpmp.c
+++ b/drivers/reset/tegra/reset-bpmp.c
@@ -20,6 +20,7 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
struct tegra_bpmp *bpmp = to_tegra_bpmp(rstc);
struct mrq_reset_request request;
struct tegra_bpmp_message msg;
+ int err;
memset(&request, 0, sizeof(request));
request.cmd = command;
@@ -30,7 +31,13 @@ static int tegra_bpmp_reset_common(struct reset_controller_dev *rstc,
msg.tx.data = &request;
msg.tx.size = sizeof(request);
- return tegra_bpmp_transfer(bpmp, &msg);
+ err = tegra_bpmp_transfer(bpmp, &msg);
+ if (err)
+ return err;
+ if (msg.rx.ret)
+ return -EINVAL;
+
+ return 0;
}
static int tegra_bpmp_reset_module(struct reset_controller_dev *rstc,