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From 5c5226c5500d070cd431e2f64731f1c2072fd8e8 Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Fri, 23 Sep 2016 18:26:53 +0300
Subject: [PATCH 02/23] net: ravb: fix unsafe phy access
This fixes the ravb driver crash for phy/phyless glue
that do not have writeext field
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
drivers/net/ravb.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ravb.c b/drivers/net/ravb.c
index f1f6eca..ce378c4 100644
--- a/drivers/net/ravb.c
+++ b/drivers/net/ravb.c
@@ -422,7 +422,8 @@ static int ravb_config(struct udevice *dev)
writel(mask, eth->iobase + RAVB_REG_ECMR);
- phy->drv->writeext(phy, -1, 0x02, 0x08, (0x0f << 5) | 0x19);
+ if (phy->drv->writeext)
+ phy->drv->writeext(phy, -1, 0x02, 0x08, (0x0f << 5) | 0x19);
return 0;
}
--
2.7.4
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