This reverts commit ad0d92d7ba6aecbe2705907c38ff8d8be4da1e9c, because in spi-imx case, burst length may be changed dynamically. Signed-off-by: Robin Gong <yibin.gong@xxxxxxx> --- drivers/dma/imx-sdma.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 9177403..b1f61eb 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -377,7 +377,6 @@ struct sdma_channel { unsigned long watermark_level; u32 shp_addr, per_addr; enum dma_status status; - bool context_loaded; struct imx_dma_data data; struct work_struct terminate_worker; }; @@ -984,9 +983,6 @@ static int sdma_load_context(struct sdma_channel *sdmac) int ret; unsigned long flags; - if (sdmac->context_loaded) - return 0; - if (sdmac->direction == DMA_DEV_TO_MEM) load_address = sdmac->pc_from_device; else if (sdmac->direction == DMA_DEV_TO_DEV) @@ -1029,8 +1025,6 @@ static int sdma_load_context(struct sdma_channel *sdmac) spin_unlock_irqrestore(&sdma->channel_0_lock, flags); - sdmac->context_loaded = true; - return ret; } @@ -1069,7 +1063,6 @@ static void sdma_channel_terminate_work(struct work_struct *work) vchan_get_all_descriptors(&sdmac->vc, &head); spin_unlock_irqrestore(&sdmac->vc.lock, flags); vchan_dma_desc_free_list(&sdmac->vc, &head); - sdmac->context_loaded = false; } static int sdma_terminate_all(struct dma_chan *chan) @@ -1338,7 +1331,6 @@ static void sdma_free_chan_resources(struct dma_chan *chan) sdmac->event_id0 = 0; sdmac->event_id1 = 0; - sdmac->context_loaded = false; sdma_set_channel_priority(sdmac, 0); -- 2.7.4