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Commit 882f329f authored by Sascha Hauer's avatar Sascha Hauer Committed by Mark Brown
Browse files

spi: imx: drop unncessary dma_is_inited variable 



There's no need for an extra dma_is_inited variable when we can
equally well check for the existence of a DMA channel.

Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 2b0fd069

drivers/spi/spi-imx.c

+1 −5
Original line number Diff line number Diff line
@@ -102,7 +102,6 @@ struct spi_imx_data { 
	unsigned int txfifo; /* number of words pushed in tx FIFO */



	/* DMA */

	unsigned int dma_is_inited;

	unsigned int dma_finished;

	bool usedma;

	u32 wml;
@@ -205,7 +204,7 @@ static bool spi_imx_can_dma(struct spi_master *master, struct spi_device *spi, 
{

	struct spi_imx_data *spi_imx = spi_master_get_devdata(master);



	if (spi_imx->dma_is_inited && transfer->len >= spi_imx->wml &&

	if (master->dma_rx && transfer->len >= spi_imx->wml &&

	    (transfer->len % spi_imx->wml) == 0)

		return true;

	return false;
@@ -827,8 +826,6 @@ static void spi_imx_sdma_exit(struct spi_imx_data *spi_imx) 
		dma_release_channel(master->dma_tx);

		master->dma_tx = NULL;

	}



	spi_imx->dma_is_inited = 0;

}



static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx,
@@ -888,7 +885,6 @@ static int spi_imx_sdma_init(struct device *dev, struct spi_imx_data *spi_imx, 
	master->max_dma_len = MAX_SDMA_BD_BYTES;

	spi_imx->bitbang.master->flags = SPI_MASTER_MUST_RX |

					 SPI_MASTER_MUST_TX;

	spi_imx->dma_is_inited = 1;



	return 0;

err: