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[ARM] serial: update tegra_hsuart to use PTR_ERRless dma API

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Change-Id: I071d99032995c878bc1d563cda56602f5410ab43
Signed-off-by: Erik Gilling <konkers@android.com>
This commit is contained in:
Erik Gilling 2010-09-01 13:43:43 -07:00 committed by Colin Cross
parent a24d8369e6
commit 421593c720
1 changed files with 2 additions and 2 deletions
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4
drivers/serial/tegra_hsuart.c
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@ -666,7 +666,7 @@ static int tegra_uart_init_rx_dma(struct tegra_uart_port *t)
void *rx_dma_virt;
t->rx_dma = tegra_dma_allocate_channel(TEGRA_DMA_MODE_CONTINOUS);
if (IS_ERR_OR_NULL(t->rx_dma))
if (!t->rx_dma)
return -ENODEV;
memset(&t->rx_dma_req, 0, sizeof(t->rx_dma_req));
@ -710,7 +710,7 @@ 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);
if (!IS_ERR_OR_NULL(t->tx_dma))
if (t->tx_dma)
t->use_tx_dma = true;
}
if (t->use_tx_dma) {