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path: root/drivers/net/dsa/ocelot/seville_vsc9953.c
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Diffstat (limited to 'drivers/net/dsa/ocelot/seville_vsc9953.c')
-rw-r--r--drivers/net/dsa/ocelot/seville_vsc9953.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/dsa/ocelot/seville_vsc9953.c b/drivers/net/dsa/ocelot/seville_vsc9953.c
index 110070a60041..9e9fd19e1d00 100644
--- a/drivers/net/dsa/ocelot/seville_vsc9953.c
+++ b/drivers/net/dsa/ocelot/seville_vsc9953.c
@@ -911,6 +911,8 @@ static int vsc9953_prevalidate_phy_mode(struct ocelot *ocelot, int port,
*/
static u16 vsc9953_wm_enc(u16 value)
{
+ WARN_ON(value >= 16 * BIT(9));
+
if (value >= BIT(9))
return BIT(9) | (value / 16);