فهرست منبع

spi: imx: terminate RX DMA transaction in case of TX DMA timeout

Not only TX DMA should be terminated, but RX DMA also. It's required
to avoid accidential DMA memory writes from RX DMA channel and properly
terminate transaction.

Signed-off-by: Anton Bondarenko <anton.bondarenko.sama@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Anton Bondarenko 9 سال پیش
والد
کامیت
e47b33c076
1فایلهای تغییر یافته به همراه1 افزوده شده و 0 حذف شده
  1. 1 0
      drivers/spi/spi-imx.c

+ 1 - 0
drivers/spi/spi-imx.c

@@ -968,6 +968,7 @@ static int spi_imx_dma_transfer(struct spi_imx_data *spi_imx,
 			dev_driver_string(&master->dev),
 			dev_name(&master->dev));
 		dmaengine_terminate_all(master->dma_tx);
+		dmaengine_terminate_all(master->dma_rx);
 	} else {
 		timeout = wait_for_completion_timeout(
 				&spi_imx->dma_rx_completion, IMX_DMA_TIMEOUT);