[PATCH 08/18] spi: qup: Handle v1 dma completion differently
From: Varadarajan Narayanan <hidden>
Date: 2017-06-14 05:53:48
Also in:
linux-arm-msm, linux-spi, lkml
Subsystem:
arm/qualcomm mailing list, spi subsystem, the rest · Maintainers:
Mark Brown, Linus Torvalds
Do not assign i/o completion callbacks while running on v1 of QUP. Signed-off-by: Varadarajan Narayanan <redacted> --- drivers/spi/spi-qup.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index 7c22ee4..0f6a4c7 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c@@ -334,6 +334,7 @@ static int spi_qup_do_dma(struct spi_master *master, struct spi_transfer *xfer, unsigned long timeout) { struct spi_qup *qup = spi_master_get_devdata(master); + dma_async_tx_callback done = qup->qup_v1 ? NULL : spi_qup_dma_done; int ret; /* before issuing the descriptors, set the QUP to run */
@@ -346,7 +347,7 @@ static int spi_qup_do_dma(struct spi_master *master, struct spi_transfer *xfer, if (xfer->rx_buf) { ret = spi_qup_prep_sg(master, xfer, DMA_DEV_TO_MEM, - spi_qup_dma_done, &qup->rxc); + done, &qup->rxc); if (ret) return ret;
@@ -355,7 +356,7 @@ static int spi_qup_do_dma(struct spi_master *master, struct spi_transfer *xfer, if (xfer->tx_buf) { ret = spi_qup_prep_sg(master, xfer, DMA_MEM_TO_DEV, - spi_qup_dma_done, &qup->txc); + done, &qup->txc); if (ret) return ret;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation