[PATCH 5/6] arcnet: com20020: Fixup missing SLOWARB bit

[Andrea Greco]

From: Andrea Greco <a.gr...@4sigma.it>

If com20020 clock is major of 40Mhz SLOWARB bit is requested.

Signed-off-by: Andrea Greco <a.gr...@4sigma.it>
---
 drivers/net/arcnet/com20020.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c
index 8d979a66d8e9..1a0fd30fe8ae 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -133,6 +133,10 @@ int com20020_check(struct net_device *dev)
        lp->setup = lp->clockm ? 0 : (lp->clockp << 1);
        lp->setup2 = (lp->clockm << 4) | 8;
 
+       /* If clock is major of 40Mhz, SLOWARB bit must be set */
+       if (lp->clockm > 1)
+               lp->setup2 |= SLOWARB;
+
        /* CHECK: should we do this for SOHARD cards ? */
        /* Enable P1Mode for backplane mode */
        lp->setup = lp->setup | P1MODE;
-- 
2.14.4