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Commit c0e7dc21 authored by Andrew Bresticker's avatar Andrew Bresticker Committed by Mark Brown
Browse files

spi: img-spfi: Enable controller before starting TX DMA 



It is recommended that the SPFI controller be enabled (i.e. setting
SPFI_EN in SPFI_CONTROL) before TX DMA begins.

Signed-off-by: default avatarAndrew Bresticker <abrestic@chromium.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 97bf6af1

drivers/spi/spi-img-spfi.c

+2 −2
Original line number Diff line number Diff line
@@ -390,14 +390,14 @@ static int img_spfi_start_dma(struct spi_master *master, 
		dma_async_issue_pending(spfi->rx_ch);

	}



	spfi_start(spfi);



	if (xfer->tx_buf) {

		spfi->tx_dma_busy = true;

		dmaengine_submit(txdesc);

		dma_async_issue_pending(spfi->tx_ch);

	}



	spfi_start(spfi);



	return 1;



stop_dma: