Some bugfixes from the TI CDP kernel.
Signed-off-by: Kevin Hilman <khilman@xxxxxxxxxx>
---
arch/arm/plat-omap/dma.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index 3e94683..008b5dd 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -1020,12 +1020,12 @@ static void create_dma_lch_chain(int lch_head, int lch_queue)
}
w = OMAP_DMA_CLNK_CTRL_REG(lch_head);
- w &= ~(0x0f);
+ w &= ~(0x1f);
w |= lch_queue;
OMAP_DMA_CLNK_CTRL_REG(lch_head) = w;
w = OMAP_DMA_CLNK_CTRL_REG(lch_queue);
- w &= ~(0x0f);
+ w &= ~(0x1f);
w |= (dma_chan[lch_queue].next_linked_ch);
OMAP_DMA_CLNK_CTRL_REG(lch_queue) = w;
}
@@ -1663,6 +1663,7 @@ static int omap2_dma_handle_ch(int ch)
if (!status) {
if (printk_ratelimit())
printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch);
+ omap_writel(1 << ch, OMAP_DMA4_IRQSTATUS_L0);
return 0;
}
if (unlikely(dma_chan[ch].dev_id == -1)) {
--
1.5.4.1.99.gf1785
--
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