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serial: fsl_lpuart: Change DMA failure messages to debug level

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Currently the following messages are seen when booting i.MX8QXP:

fsl-lpuart 5a060000.serial: DMA tx channel request failed, operating without tx DMA (-19)
fsl-lpuart 5a060000.serial: DMA rx channel request failed, operating without rx DMA (-19)

It is not really useful to have such messages on every boot, so change
them to debug level instead.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Link: https://lore.kernel.org/r/20200416153453.18825-1-festevam@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fabio Estevam 2020-04-16 12:34:53 -03:00 committed by Greg Kroah-Hartman
parent 63552502b2
commit 44da03628b
1 changed files with 6 additions and 6 deletions
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12
drivers/tty/serial/fsl_lpuart.c
View file

@ -1512,17 +1512,17 @@ static void lpuart_request_dma(struct lpuart_port *sport)
{
sport->dma_tx_chan = dma_request_chan(sport->port.dev, "tx");
if (IS_ERR(sport->dma_tx_chan)) {
dev_info_once(sport->port.dev,
"DMA tx channel request failed, operating without tx DMA (%ld)\n",
PTR_ERR(sport->dma_tx_chan));
dev_dbg_once(sport->port.dev,
"DMA tx channel request failed, operating without tx DMA (%ld)\n",
PTR_ERR(sport->dma_tx_chan));
sport->dma_tx_chan = NULL;
}
sport->dma_rx_chan = dma_request_chan(sport->port.dev, "rx");
if (IS_ERR(sport->dma_rx_chan)) {
dev_info_once(sport->port.dev,
"DMA rx channel request failed, operating without rx DMA (%ld)\n",
PTR_ERR(sport->dma_rx_chan));
dev_dbg_once(sport->port.dev,
"DMA rx channel request failed, operating without rx DMA (%ld)\n",
PTR_ERR(sport->dma_rx_chan));
sport->dma_rx_chan = NULL;
}
}