Thread (66 messages) 66 messages, 10 authors, 2014-09-04

[PATCH 07/15] tty: serial: 8250_dma: enqueue RX dma again on completion.

From: bigeasy@linutronix.de (Sebastian Andrzej Siewior)
Date: 2014-08-29 15:53:25
Also in: linux-omap, linux-serial, lkml 

On 08/18/2014 12:52 PM, One Thousand Gnomes wrote:
quoted
 		if (!up->dma || dma_err)
 			status = serial8250_rx_chars(up, status);
+
+		if (dma_err && port->type == PORT_OMAP_16750)
+			serial8250_rx_dma(up, 0);
Can we stick to a 'has dma' flag and port->rx_dma() type usages so that
we don't have to rewrite it again to add them the next slightly odd DMA
user we add 8)
I hide this behind a bug flag, something like UART_NEEDS_DMA_RX_PENDING.

Sebastian
  



    
  

  
    

      

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