From: Jongsung Kim <neidhard.kim@lge.com>
To: linux-kernel@vger.kernel.org, netdev@vger.kernel.org,
Giuseppe Cavallaro <peppe.cavallaro@st.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Jose Abreu <joabreu@synopsys.com>,
"David S . Miller" <davem@davemloft.net>
Cc: Chanho Min <chanho.min@lge.com>, Jongsung Kim <neidhard.kim@lge.com>
Subject: [PATCH] stmmac: fix valid numbers of unicast filter entries
Date: Thu, 13 Sep 2018 18:32:21 +0900 [thread overview]
Message-ID: <1536831141-25757-1-git-send-email-neidhard.kim@lge.com> (raw)
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 <neidhard.kim@lge.com>
---
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 3609c7b..2b800ce 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -67,7 +67,7 @@ static int dwmac1000_validate_mcast_bins(int mcast_bins)
* Description:
* 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.
@@ -77,8 +77,7 @@ 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;
--
2.7.4
next reply other threads:[~2018-09-13 9:33 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-13 9:32 Jongsung Kim [this message]
2018-09-16 22:24 ` [PATCH] stmmac: fix valid numbers of unicast filter entries David Miller
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