From 882f329f31cb7317811fe084e0b0642954649bf5 Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 24 Feb 2016 09:20:28 +0100 Subject: 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: Sascha Hauer Signed-off-by: Mark Brown --- drivers/spi/spi-imx.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index ec033043734a..567a2426e314 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -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: -- cgit v1.2.3