From: Thomas Petazzoni <thomas.petazz...@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazz...@free-electrons.com>
Signed-off-by: Stefan Roese <s...@denx.de>
Acked-by: Joe Hershberger <joe.hershber...@ni.com>
---
Changes in v2:
- Added Acked-by from Joe
drivers/net/mvpp2.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/net/mvpp2.c b/drivers/net/mvpp2.c
index 90ab6d718b..17ce0e9f7d 100644
--- a/drivers/net/mvpp2.c
+++ b/drivers/net/mvpp2.c
@@ -2352,20 +2352,25 @@ static inline int mvpp2_bm_cookie_pool_get(unsigned
long cookie)
/* Release buffer to BM */
static inline void mvpp2_bm_pool_put(struct mvpp2_port *port, int pool,
dma_addr_t buf_dma_addr,
- unsigned long buf_virt_addr)
+ unsigned long buf_phys_addr)
{
- mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_virt_addr);
+ /* MVPP2_BM_VIRT_RLS_REG is not interpreted by HW, and simply
+ * returned in the "cookie" field of the RX
+ * descriptor. Instead of storing the virtual address, we
+ * store the physical address
+ */
+ mvpp2_write(port->priv, MVPP2_BM_VIRT_RLS_REG, buf_phys_addr);
mvpp2_write(port->priv, MVPP2_BM_PHY_RLS_REG(pool), buf_dma_addr);
}
/* Refill BM pool */
static void mvpp2_pool_refill(struct mvpp2_port *port, u32 bm,
dma_addr_t dma_addr,
- u32 cookie)
+ phys_addr_t phys_addr)
{
int pool = mvpp2_bm_cookie_pool_get(bm);
- mvpp2_bm_pool_put(port, pool, dma_addr, cookie);
+ mvpp2_bm_pool_put(port, pool, dma_addr, phys_addr);
}
/* Allocate buffers for the pool */
--
2.12.1
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