diff options
| author | Sudeep Holla <sudeep.holla@arm.com> | 2020-10-08 21:14:51 +0200 |
|---|---|---|
| committer | Jassi Brar <jaswinder.singh@linaro.org> | 2020-10-13 04:10:34 +0200 |
| commit | ab99e237a48298c458d49b8d8bd850e1aa58e457 (patch) | |
| tree | 817f0ebe6af3832d155922bb7d173d1b9e201ce2 | |
| parent | dt-bindings: mailbox: add doorbell support to ARM MHU (diff) | |
| download | linux-ab99e237a48298c458d49b8d8bd850e1aa58e457.tar.xz linux-ab99e237a48298c458d49b8d8bd850e1aa58e457.zip | |
mailbox: arm_mhu: Match only if compatible is "arm,mhu"
Since we will be soon adding a separate driver based on this ARM MHU
driver to support doorbell mode, let us add explicit check to match
the default compatible for this driver. This is needed as the probe
and match reuses the AMBA device ids currently and don't have any
explicit compatible check.
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
| -rw-r--r-- | drivers/mailbox/arm_mhu.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/mailbox/arm_mhu.c b/drivers/mailbox/arm_mhu.c index 9da236552bd7..b7fbf276eb62 100644 --- a/drivers/mailbox/arm_mhu.c +++ b/drivers/mailbox/arm_mhu.c @@ -113,6 +113,9 @@ 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) |