2 files changed, 11 insertions, 4 deletions

diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index ec7eddf9e525..420cef370b33 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -996,11 +996,17 @@ void omap_start_dma(int lch)
         l = dma_read(CCR(lch));
 
         /*
-         * Errata: On ES2.0 BUFFERING disable must be set.
-         * This will always fail on ES1.0
+         * Errata: Inter Frame DMA buffering issue (All OMAP2420 and
+         * OMAP2430ES1.0): DMA will wrongly buffer elements if packing and
+         * bursting is enabled. This might result in data gets stalled in
+         * FIFO at the end of the block.
+         * Workaround: DMA channels must have BUFFERING_DISABLED bit set to
+         * guarantee no data will stay in the DMA FIFO in case inter frame
+         * buffering occurs.
          */
-        if (cpu_is_omap24xx())
-                l |= OMAP_DMA_CCR_EN;
+        if (cpu_is_omap2420() ||
+            (cpu_is_omap2430() && (omap_type() == OMAP2430_REV_ES1_0)))
+                l |= OMAP_DMA_CCR_BUFFERING_DISABLE;
 
         l |= OMAP_DMA_CCR_EN;
         dma_write(l, CCR(lch));
diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h
index 098f154f5d41..6f70f7cfe91d 100644
--- a/arch/arm/plat-omap/include/plat/dma.h
+++ b/arch/arm/plat-omap/include/plat/dma.h
@@ -337,6 +337,7 @@
 #define OMAP2_DMA_MISALIGNED_ERR_IRQ    (1 << 11)
 
 #define OMAP_DMA_CCR_EN                 (1 << 7)
+#define OMAP_DMA_CCR_BUFFERING_DISABLE  (1 << 25)
 
 #define OMAP_DMA_DATA_TYPE_S8           0x00
 #define OMAP_DMA_DATA_TYPE_S16          0x01