From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bryan Wu Subject: [PATCH 14/16] Blackfin SPI Driver: tweak magic spi dma sequence to get it working on BF54x Date: Tue, 18 Nov 2008 15:52:38 +0800 Message-ID: <1226994760-4301-15-git-send-email-cooloney@kernel.org> References: <1226994760-4301-1-git-send-email-cooloney@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Mike Frysinger To: dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org, spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org Return-path: In-Reply-To: <1226994760-4301-1-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org From: Mike Frysinger Signed-off-by: Mike Frysinger Signed-off-by: Bryan Wu --- drivers/spi/spi_bfin5xx.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/spi/spi_bfin5xx.c b/drivers/spi/spi_bfin5xx.c index c2fc3a9..9c602ad 100644 --- a/drivers/spi/spi_bfin5xx.c +++ b/drivers/spi/spi_bfin5xx.c @@ -858,8 +858,9 @@ static void pump_transfers(unsigned long data) set_dma_start_addr(drv_data->dma_channel, dma_start_addr); set_dma_config(drv_data->dma_channel, dma_config); local_irq_save(flags); - enable_dma(drv_data->dma_channel); + SSYNC(); write_CTRL(drv_data, cr); + enable_dma(drv_data->dma_channel); dma_enable_irq(drv_data->dma_channel); local_irq_restore(flags); -- 1.5.6.3 ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/