diff options
Diffstat (limited to 'drivers/mailbox/arm_mhu.c')
| -rw-r--r-- | drivers/mailbox/arm_mhu.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/mailbox/arm_mhu.c b/drivers/mailbox/arm_mhu.c index 9da236552bd7..22243cabe056 100644 --- a/drivers/mailbox/arm_mhu.c +++ b/drivers/mailbox/arm_mhu.c @@ -113,16 +113,17 @@ static int mhu_probe(struct amba_device *adev, const struct amba_id *id) struct device *dev = &adev->dev; int mhu_reg[MHU_CHANS] = {MHU_LP_OFFSET, MHU_HP_OFFSET, MHU_SEC_OFFSET}; + if (!of_device_is_compatible(dev->of_node, "arm,mhu")) + return -ENODEV; + /* Allocate memory for device */ mhu = devm_kzalloc(dev, sizeof(*mhu), GFP_KERNEL); if (!mhu) return -ENOMEM; mhu->base = devm_ioremap_resource(dev, &adev->res); - if (IS_ERR(mhu->base)) { - dev_err(dev, "ioremap failed\n"); + if (IS_ERR(mhu->base)) return PTR_ERR(mhu->base); - } for (i = 0; i < MHU_CHANS; i++) { mhu->chan[i].con_priv = &mhu->mlink[i]; |