From: Jongsung Kim <[email protected]>

[ Upstream commit edf2ef7242805e53ec2e0841db26e06d8bc7da70 ]

Synopsys DWC Ethernet MAC can be configured to have 1..32, 64, or
128 unicast filter entries. (Table 7-8 MAC Address Registers from
databook) Fix dwmac1000_validate_ucast_entries() to accept values
between 1 and 32 in addition.

Signed-off-by: Jongsung Kim <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c 
b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index 58a1a0a423d4..4d718e738522 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -85,7 +85,7 @@ static int dwmac1000_validate_mcast_bins(int mcast_bins)
 
 /* This function validates the number of Unicast address entries supported
  * by a particular Synopsys 10/100/1000 controller. The Synopsys controller
- * supports 1, 32, 64, or 128 Unicast filter entries for it's Unicast filter
+ * supports 1..32, 64, or 128 Unicast filter entries for it's Unicast filter
  * logic. This function validates a valid, supported configuration is
  * selected, and defaults to 1 Unicast address if an unsupported
  * configuration is selected.
@@ -95,8 +95,7 @@ static int dwmac1000_validate_ucast_entries(int ucast_entries)
        int x = ucast_entries;
 
        switch (x) {
-       case 1:
-       case 32:
+       case 1 ... 32:
        case 64:
        case 128:
                break;
-- 
2.17.1

Reply via email to