From mboxrd@z Thu Jan 1 00:00:00 1970 From: kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org Subject: [PATCH 4/4] spi: bcm2835: set SPI_MASTER_MUST_RX_SG/TX_SG flags Date: Mon, 25 May 2015 12:44:26 +0000 Message-ID: <1432557867-2427-5-git-send-email-kernel@martin.sperl.org> References: <2B971A09-33E3-42BC-B13D-49B6DD3D2E7A@martin.sperl.org> <1432557867-2427-1-git-send-email-kernel@martin.sperl.org> Cc: Martin Sperl To: Mark Brown , Stephen Warren , Lee Jones , linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-rpi-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Return-path: In-Reply-To: <1432557867-2427-1-git-send-email-kernel-TqfNSX0MhmxHKSADF0wUEw@public.gmane.org> Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: From: Martin Sperl Signed-off-by: Martin Sperl --- drivers/spi/spi-bcm2835.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/spi/spi-bcm2835.c b/drivers/spi/spi-bcm2835.c index bfcc436..e98db57 100644 --- a/drivers/spi/spi-bcm2835.c +++ b/drivers/spi/spi-bcm2835.c @@ -462,6 +462,8 @@ static void bcm2835_dma_init(struct spi_master *master, struct device *dev) /* all went well, so set can_dma */ master->can_dma = bcm2835_spi_can_dma; master->max_dma_len = 65535; /* limitation by BCM2835_SPI_DLEN */ + /* need to do TX AND RX DMA, so we need scatter-gather lists */ + master->flags = SPI_MASTER_MUST_RX_SG | SPI_MASTER_MUST_TX_SG; return; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html