From mboxrd@z Thu Jan 1 00:00:00 1970 From: Varadarajan Narayanan Subject: [PATCH 08/18] spi: qup: Handle v1 dma completion differently Date: Wed, 14 Jun 2017 11:22:21 +0530 Message-ID: <1497419551-21834-9-git-send-email-varada@codeaurora.org> References: <1497419551-21834-1-git-send-email-varada@codeaurora.org> Cc: Varadarajan Narayanan To: broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com, andy.gross@linaro.org, david.brown@linaro.org, linux-spi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org Return-path: In-Reply-To: <1497419551-21834-1-git-send-email-varada@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-spi.vger.kernel.org Do not assign i/o completion callbacks while running on v1 of QUP. Signed-off-by: Varadarajan Narayanan --- 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