rpmsg: core: Make remove handler for rpmsg driver optional.

Most other bus (for example, SPI, i2c) have the remove handler for
driver optional. Make remove handler for rpmsg driver optional too.

Signed-off-by: Pi-Hsun Shih <pihsun@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c
index 8122807db380949b44624866a9403ddbc0569d15..ea88fd4e2a6ecfb0f3beb2875e65fbafa7862820 100644 (file)
--- a/drivers/rpmsg/rpmsg_core.c
+++ b/drivers/rpmsg/rpmsg_core.c
@@ -493,7 +493,8 @@ static int rpmsg_dev_remove(struct device *dev)
        if (rpdev->ops->announce_destroy)
                err = rpdev->ops->announce_destroy(rpdev);
 
-       rpdrv->remove(rpdev);
+       if (rpdrv->remove)
+               rpdrv->remove(rpdev);
 
        dev_pm_domain_detach(dev, true);