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path: root/drivers/mailbox/omap-mailbox.c
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Diffstat (limited to 'drivers/mailbox/omap-mailbox.c')
-rw-r--r--drivers/mailbox/omap-mailbox.c36
1 files changed, 0 insertions, 36 deletions
diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index 624a7ccc2728..8151722eef38 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -389,42 +389,6 @@ static struct omap_mbox *omap_mbox_device_find(struct omap_mbox_device *mdev,
return mbox;
}
-struct mbox_chan *omap_mbox_request_channel(struct mbox_client *cl,
- const char *chan_name)
-{
- struct device *dev = cl->dev;
- struct omap_mbox *mbox = NULL;
- struct omap_mbox_device *mdev;
- int ret;
-
- if (!dev)
- return ERR_PTR(-ENODEV);
-
- if (dev->of_node) {
- pr_err("%s: please use mbox_request_channel(), this API is supported only for OMAP non-DT usage\n",
- __func__);
- return ERR_PTR(-ENODEV);
- }
-
- mutex_lock(&omap_mbox_devices_lock);
- list_for_each_entry(mdev, &omap_mbox_devices, elem) {
- mbox = omap_mbox_device_find(mdev, chan_name);
- if (mbox)
- break;
- }
- mutex_unlock(&omap_mbox_devices_lock);
-
- if (!mbox || !mbox->chan)
- return ERR_PTR(-ENOENT);
-
- ret = mbox_bind_client(mbox->chan, cl);
- if (ret)
- return ERR_PTR(ret);
-
- return mbox->chan;
-}
-EXPORT_SYMBOL(omap_mbox_request_channel);
-
static struct class omap_mbox_class = { .name = "mbox", };
static int omap_mbox_register(struct omap_mbox_device *mdev)