[PATCH 5/6] Fixup tangox_dma_reset

From: Marc Gonzalez
Date: Wed Nov 23 2016 - 11:56:23 EST


---
drivers/dma/tango-dma.c | 16 ++++++----------
1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/dma/tango-dma.c b/drivers/dma/tango-dma.c
index 5250c053a7b9..24e124942a2f 100644
--- a/drivers/dma/tango-dma.c
+++ b/drivers/dma/tango-dma.c
@@ -414,18 +414,14 @@ static void tangox_dma_desc_free(struct virt_dma_desc *vd)

static void tangox_dma_reset(struct tangox_dma_device *dev)
{
- int i;
+ writel(0xffffffff, dev->sbox_base + SBOX_RESET);
+ writel(0xffffffff, dev->sbox_base + SBOX_RESET2);

- for (i = 0; i < 2; i++) {
- writel(0xffffffff, dev->sbox_base);
- writel(0xff00ff00, dev->sbox_base);
- writel(0xffffffff, dev->sbox_base + 4);
- writel(0xff00ff00, dev->sbox_base + 4);
- udelay(2);
- }
+ writel(0xff00ff00, dev->sbox_base + SBOX_RESET);
+ writel(0xff00ff00, dev->sbox_base + SBOX_RESET2);

- writel(0xffffffff, dev->sbox_base + 8);
- writel(0xffffffff, dev->sbox_base + 12);
+ writel(0xffffffff, dev->sbox_base + SBOX_ROUTE);
+ writel(0xffffffff, dev->sbox_base + SBOX_ROUTE2);
}

static struct dma_chan *tangox_dma_xlate(struct of_phandle_args *dma_spec,
--
2.9.0