diff options
Diffstat (limited to 'drivers/firmware/tegra/bpmp-tegra186.c')
-rw-r--r-- | drivers/firmware/tegra/bpmp-tegra186.c | 36 |
1 files changed, 17 insertions, 19 deletions
diff --git a/drivers/firmware/tegra/bpmp-tegra186.c b/drivers/firmware/tegra/bpmp-tegra186.c index 63ab21d89c2c..2e26199041cd 100644 --- a/drivers/firmware/tegra/bpmp-tegra186.c +++ b/drivers/firmware/tegra/bpmp-tegra186.c @@ -18,8 +18,8 @@ struct tegra186_bpmp { struct { struct gen_pool *pool; + void __iomem *virt; dma_addr_t phys; - void *virt; } tx, rx; struct { @@ -40,31 +40,27 @@ mbox_client_to_bpmp(struct mbox_client *client) static bool tegra186_bpmp_is_message_ready(struct tegra_bpmp_channel *channel) { - void *frame; + int err; - frame = tegra_ivc_read_get_next_frame(channel->ivc); - if (IS_ERR(frame)) { - channel->ib = NULL; + err = tegra_ivc_read_get_next_frame(channel->ivc, &channel->ib); + if (err) { + iosys_map_clear(&channel->ib); return false; } - channel->ib = frame; - return true; } static bool tegra186_bpmp_is_channel_free(struct tegra_bpmp_channel *channel) { - void *frame; + int err; - frame = tegra_ivc_write_get_next_frame(channel->ivc); - if (IS_ERR(frame)) { - channel->ob = NULL; + err = tegra_ivc_write_get_next_frame(channel->ivc, &channel->ob); + if (err) { + iosys_map_clear(&channel->ob); return false; } - channel->ob = frame; - return true; } @@ -109,6 +105,7 @@ static int tegra186_bpmp_channel_init(struct tegra_bpmp_channel *channel, { struct tegra186_bpmp *priv = bpmp->priv; size_t message_size, queue_size; + struct iosys_map rx, tx; unsigned int offset; int err; @@ -121,10 +118,11 @@ static int tegra186_bpmp_channel_init(struct tegra_bpmp_channel *channel, queue_size = tegra_ivc_total_queue_size(message_size); offset = queue_size * index; - err = tegra_ivc_init(channel->ivc, NULL, - priv->rx.virt + offset, priv->rx.phys + offset, - priv->tx.virt + offset, priv->tx.phys + offset, - 1, message_size, tegra186_bpmp_ivc_notify, + iosys_map_set_vaddr_iomem(&rx, priv->rx.virt + offset); + iosys_map_set_vaddr_iomem(&tx, priv->tx.virt + offset); + + err = tegra_ivc_init(channel->ivc, NULL, &rx, priv->rx.phys + offset, &tx, + priv->tx.phys + offset, 1, message_size, tegra186_bpmp_ivc_notify, bpmp); if (err < 0) { dev_err(bpmp->dev, "failed to setup IVC for channel %u: %d\n", @@ -179,7 +177,7 @@ static int tegra186_bpmp_init(struct tegra_bpmp *bpmp) return -EPROBE_DEFER; } - priv->tx.virt = gen_pool_dma_alloc(priv->tx.pool, 4096, &priv->tx.phys); + priv->tx.virt = (void __iomem *)gen_pool_dma_alloc(priv->tx.pool, 4096, &priv->tx.phys); if (!priv->tx.virt) { dev_err(bpmp->dev, "failed to allocate from TX pool\n"); return -ENOMEM; @@ -192,7 +190,7 @@ static int tegra186_bpmp_init(struct tegra_bpmp *bpmp) goto free_tx; } - priv->rx.virt = gen_pool_dma_alloc(priv->rx.pool, 4096, &priv->rx.phys); + priv->rx.virt = (void __iomem *)gen_pool_dma_alloc(priv->rx.pool, 4096, &priv->rx.phys); if (!priv->rx.virt) { dev_err(bpmp->dev, "failed to allocate from RX pool\n"); err = -ENOMEM; |