[PATCH 3/4] arcnet: com20020: Fixup missing SLOWARB bit

[Andrea Greco]

From: Andrea Greco 

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

Signed-off-by: Andrea Greco 
---
 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 2fd00d2dd6bf..f1de02f05305 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -102,6 +102,10 @@ 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;
-- 
2.14.3

[PATCH 3/4] arcnet: com20020: Fixup missing SLOWARB bit

[Andrea Greco]

From: Andrea Greco 

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

Signed-off-by: Andrea Greco 
---
 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 2fd00d2dd6bf..f1de02f05305 100644
--- a/drivers/net/arcnet/com20020.c
+++ b/drivers/net/arcnet/com20020.c
@@ -102,6 +102,10 @@ 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;
-- 
2.14.3