[PATCH 1/1] spi: atmel: Fix interrupt setup for PDC transfers

[Mark Brown]

On Tue, Feb 24, 2015 at 01:26:20PM +0100, Torsten Fleischer wrote:

> spi_master *master,
>   (unsigned long long)xfer->rx_dma);
>   }
> 
> - /* REVISIT: We're waiting for ENDRX before we start the next
> + /* REVISIT: We're waiting for RXBUFF before we start the next
>   * transfer because we need to handle some difficult timing
> - * issues otherwise. If we wait for ENDTX in one transfer and
> - * then starts waiting for ENDRX in the next, it's difficult
> - * to tell the difference between the ENDRX interrupt we're
> - * actually waiting for and the ENDRX interrupt of the
> + * issues otherwise. If we wait for TXBUFE in one transfer and
> + * then starts waiting for RXBUFF in the next, it's difficult
> + * to tell the difference between the RXBUFF interrupt we're
> + * actually waiting for and the RXBUFF interrupt of the
>   * previous transfer.
>   *
>   * It should be doable, though. Just not now...
>   */
> - spi_writel(as, IER, SPI_BIT(ENDRX) | SPI_BIT(OVRES));
> + spi_writel(as, IER, SPI_BIT(RXBUFF) | SPI_BIT(OVRES));
>   spi_writel(as, PTCR, SPI_BIT(TXTEN) | SPI_BIT(RXTEN));
>  }

It looks like your mail program has corrupted the patch and turned all
tabs into spaces...
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