diff options
| author | Laxman Dewangan <ldewangan@nvidia.com> | 2011-04-18 16:35:41 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:43:18 -0800 |
| commit | 2f3257d437e9efa0138850c11801039477634fae (patch) | |
| tree | c2c2393d279fbc6e91d39013246fdb839c5a6a67 /drivers/tty/serial | |
| parent | 0489b1a6ba6881a2254107a5e7b297b08cd8396e (diff) | |
arm: tegra: dma: Adding client name with dma allocation.
By changing the dma allocation API to take the client name, it is easy
to track who is allocated the DMA channels when we run out of the
DMA channels.
Original-Change-Id: I016011cfd74089fed0da1bc0f121800017ce124a
Reviewed-on: http://git-master/r/28031
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Original-Change-Id: I048bcb87f95ee6d8ad2fdce993a1758dc5071666
Rebase-Id: Rf9f122630cf489a1c02e6c70d5c19fd518e329b1
Diffstat (limited to 'drivers/tty/serial')
| -rw-r--r-- | drivers/tty/serial/tegra_hsuart.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/tty/serial/tegra_hsuart.c b/drivers/tty/serial/tegra_hsuart.c index 76b7a79d0708..acded86ee36f 100644 --- a/drivers/tty/serial/tegra_hsuart.c +++ b/drivers/tty/serial/tegra_hsuart.c @@ -740,7 +740,8 @@ static int tegra_uart_init_rx_dma(struct tegra_uart_port *t) dma_addr_t rx_dma_phys; void *rx_dma_virt; - t->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_CONTINUOUS); + t->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_CONTINUOUS, + "uart_rx_%d", t->uport.line); if (!t->rx_dma) { dev_err(t->uport.dev, "%s: failed to allocate RX DMA.\n", __func__); return -ENODEV; @@ -784,7 +785,8 @@ static int tegra_startup(struct uart_port *u) t->use_tx_dma = false; if (!TX_FORCE_PIO) { - t->tx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT); + t->tx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_ONESHOT, + "uart_tx_%d", u->line); if (t->tx_dma) t->use_tx_dma = true; else |