Message ID | 1456219438-21205-3-git-send-email-s.hauer@pengutronix.de (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Hi, On Tue, 23 Feb 2016 10:23:51 +0100 Sascha Hauer wrote: > So that the SoC specific config function can know if we will do > DMA or not. Will be needed in following patches. > > Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> > The first sentence of the commit log sounds silly unless you read it in conjunction with the subject header. I made this remark already in <20160219090846.3004de9d@ipc1.ka-ro> Is there any reason why this commit log is written as a continuation of the subject line (whithout making that obvious) while all the other commit logs in your patch set are self-contained? Lothar Waßmann -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index a61b1b1..5792918 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -815,6 +815,11 @@ static int spi_imx_setupxfer(struct spi_device *spi, spi_imx->tx = spi_imx_buf_tx_u32; } + if (spi_imx_can_dma(spi_imx->bitbang.master, spi, t)) + spi_imx->usedma = 1; + else + spi_imx->usedma = 0; + spi_imx->devtype_data->config(spi_imx, &config); return 0; @@ -1040,14 +1045,10 @@ static int spi_imx_transfer(struct spi_device *spi, { struct spi_imx_data *spi_imx = spi_master_get_devdata(spi->master); - if (spi_imx->bitbang.master->can_dma && - spi_imx_can_dma(spi_imx->bitbang.master, spi, transfer)) { - spi_imx->usedma = true; + if (spi_imx->usedma) return spi_imx_dma_transfer(spi_imx, transfer); - } - spi_imx->usedma = false; - - return spi_imx_pio_transfer(spi, transfer); + else + return spi_imx_pio_transfer(spi, transfer); } static int spi_imx_setup(struct spi_device *spi)
So that the SoC specific config function can know if we will do DMA or not. Will be needed in following patches. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> --- drivers/spi/spi-imx.c | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-)