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