diff options
Diffstat (limited to 'drivers/remoteproc')
| -rw-r--r-- | drivers/remoteproc/omap_remoteproc.c | 51 |
1 files changed, 27 insertions, 24 deletions
diff --git a/drivers/remoteproc/omap_remoteproc.c b/drivers/remoteproc/omap_remoteproc.c index 51689721ea7a..cf92f6e7c5dc 100644 --- a/drivers/remoteproc/omap_remoteproc.c +++ b/drivers/remoteproc/omap_remoteproc.c @@ -27,6 +27,7 @@ #include <linux/platform_device.h> #include <linux/dma-mapping.h> #include <linux/remoteproc.h> +#include <linux/mailbox_client.h> #include <linux/omap-mailbox.h> #include <linux/platform_data/remoteproc-omap.h> @@ -36,20 +37,19 @@ /** * struct omap_rproc - omap remote processor state - * @mbox: omap mailbox handle - * @nb: notifier block that will be invoked on inbound mailbox messages + * @mbox: mailbox channel handle + * @client: mailbox client to request the mailbox channel * @rproc: rproc handle */ struct omap_rproc { - struct omap_mbox *mbox; - struct notifier_block nb; + struct mbox_chan *mbox; + struct mbox_client client; struct rproc *rproc; }; /** * omap_rproc_mbox_callback() - inbound mailbox message handler - * @this: notifier block - * @index: unused + * @client: mailbox client pointer used for requesting the mailbox channel * @data: mailbox payload * * This handler is invoked by omap's mailbox driver whenever a mailbox @@ -61,13 +61,13 @@ struct omap_rproc { * that indicates different events. Those values are deliberately very * big so they don't coincide with virtqueue indices. */ -static int omap_rproc_mbox_callback(struct notifier_block *this, - unsigned long index, void *data) +static void omap_rproc_mbox_callback(struct mbox_client *client, void *data) { - mbox_msg_t msg = (mbox_msg_t) data; - struct omap_rproc *oproc = container_of(this, struct omap_rproc, nb); + struct omap_rproc *oproc = container_of(client, struct omap_rproc, + client); struct device *dev = oproc->rproc->dev.parent; const char *name = oproc->rproc->name; + u32 msg = (u32)data; dev_dbg(dev, "mbox msg: 0x%x\n", msg); @@ -84,8 +84,6 @@ static int omap_rproc_mbox_callback(struct notifier_block *this, if (rproc_vq_interrupt(oproc->rproc, msg) == IRQ_NONE) dev_dbg(dev, "no message was found in vqid %d\n", msg); } - - return NOTIFY_DONE; } /* kick a virtqueue */ @@ -96,8 +94,8 @@ static void omap_rproc_kick(struct rproc *rproc, int vqid) int ret; /* send the index of the triggered virtqueue in the mailbox payload */ - ret = omap_mbox_msg_send(oproc->mbox, vqid); - if (ret) + ret = mbox_send_message(oproc->mbox, (void *)vqid); + if (ret < 0) dev_err(dev, "omap_mbox_msg_send failed: %d\n", ret); } @@ -115,17 +113,22 @@ static int omap_rproc_start(struct rproc *rproc) struct platform_device *pdev = to_platform_device(dev); struct omap_rproc_pdata *pdata = pdev->dev.platform_data; int ret; + struct mbox_client *client = &oproc->client; if (pdata->set_bootaddr) pdata->set_bootaddr(rproc->bootaddr); - oproc->nb.notifier_call = omap_rproc_mbox_callback; + client->dev = dev; + client->tx_done = NULL; + client->rx_callback = omap_rproc_mbox_callback; + client->tx_block = false; + client->knows_txdone = false; - /* every omap rproc is assigned a mailbox instance for messaging */ - oproc->mbox = omap_mbox_get(pdata->mbox_name, &oproc->nb); + oproc->mbox = omap_mbox_request_channel(client, pdata->mbox_name); if (IS_ERR(oproc->mbox)) { - ret = PTR_ERR(oproc->mbox); - dev_err(dev, "omap_mbox_get failed: %d\n", ret); + ret = -EBUSY; + dev_err(dev, "mbox_request_channel failed: %ld\n", + PTR_ERR(oproc->mbox)); return ret; } @@ -136,9 +139,9 @@ static int omap_rproc_start(struct rproc *rproc) * Note that the reply will _not_ arrive immediately: this message * will wait in the mailbox fifo until the remote processor is booted. */ - ret = omap_mbox_msg_send(oproc->mbox, RP_MBOX_ECHO_REQUEST); - if (ret) { - dev_err(dev, "omap_mbox_get failed: %d\n", ret); + ret = mbox_send_message(oproc->mbox, (void *)RP_MBOX_ECHO_REQUEST); + if (ret < 0) { + dev_err(dev, "mbox_send_message failed: %d\n", ret); goto put_mbox; } @@ -151,7 +154,7 @@ static int omap_rproc_start(struct rproc *rproc) return 0; put_mbox: - omap_mbox_put(oproc->mbox, &oproc->nb); + mbox_free_channel(oproc->mbox); return ret; } @@ -168,7 +171,7 @@ static int omap_rproc_stop(struct rproc *rproc) if (ret) return ret; - omap_mbox_put(oproc->mbox, &oproc->nb); + mbox_free_channel(oproc->mbox); return 0; } |