[PATCH 14/16] Blackfin SPI Driver: tweak magic spi dma sequence to get it working on BF54x

From: Bryan Wu <cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: dbrownell-Rn4VEauK+AKRv+LV9MX5uipxlwaOVQ5f@public.gmane.org,
	spi-devel-general-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Mike Frysinger
	<vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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	[thread overview]
Message-ID: <1226994760-4301-15-git-send-email-cooloney@kernel.org> (raw)
In-Reply-To: <1226994760-4301-1-git-send-email-cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>

From: Mike Frysinger <vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>

Signed-off-by: Mike Frysinger <vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Signed-off-by: Bryan Wu <cooloney-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
---
 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

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