Convert the errata handling of buffering disable on
OMAP2 platforms.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxx>
---
arch/arm/plat-omap/dma.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index ae0ff64..c116c41 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -147,6 +147,7 @@ static const u8 omap1_dma_irq[OMAP1_LOGICAL_DMA_CH_COUNT] = {
};
/* Errata handling */
+#define DMA_ERRATA_IFRAME_BUFFERING (1 << 0)
static u16 dma_errata;
#define IS_DMA_ERRATA(id) (dma_errata & (id))
@@ -1003,8 +1004,7 @@ void omap_start_dma(int lch)
* Errata: On ES2.0 BUFFERING disable must be set.
* This will always fail on ES1.0
*/
- if (cpu_is_omap2420() ||
- (cpu_is_omap2430() && (omap_type() == OMAP2430_REV_ES1_0)))
+ if (IS_DMA_ERRATA(DMA_ERRATA_IFRAME_BUFFERING))
l |= OMAP_DMA_CCR_BUFFERING_DISABLE;
l |= OMAP_DMA_CCR_EN;
@@ -2048,6 +2048,9 @@ void omap_dma_global_context_restore(void)
static void dma_errata_configure(void)
{
+ if (cpu_is_omap2420() ||
+ (cpu_is_omap2430() && (omap_type() == OMAP2430_REV_ES1_0)))
+ dma_errata |= DMA_ERRATA_IFRAME_BUFFERING;
}
static int __init omap_init_dma(void)
--
1.7.3
--
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