From mboxrd@z Thu Jan 1 00:00:00 1970 From: Antoine Tenart Subject: [PATCH v2 4/8] net: pxa168_eth: fix Ethernet flow control status Date: Tue, 9 Sep 2014 16:44:04 +0200 Message-ID: <1410273848-24663-5-git-send-email-antoine.tenart@free-electrons.com> References: <1410273848-24663-1-git-send-email-antoine.tenart@free-electrons.com> Cc: Antoine Tenart , alexandre.belloni@free-electrons.com, thomas.petazzoni@free-electrons.com, zmxu@marvell.com, jszhang@marvell.com, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org To: sebastian.hesselbarth@gmail.com Return-path: In-Reply-To: <1410273848-24663-1-git-send-email-antoine.tenart@free-electrons.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org IEEE 802.3x Ethernet flow control is disabled when bit (1 << 2) is set in the port status register. Fix the flow control detection in the link event handling function which was relying on the opposite assumption. Signed-off-by: Antoine Tenart --- drivers/net/ethernet/marvell/pxa168_eth.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 953112f87c5f..10422f2df6cc 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -163,7 +163,7 @@ /* Bit definitions for Port status */ #define PORT_SPEED_100 (1 << 0) #define FULL_DUPLEX (1 << 1) -#define FLOW_CONTROL_ENABLED (1 << 2) +#define FLOW_CONTROL_DISABLED (1 << 2) #define LINK_UP (1 << 3) /* Bit definitions for work to be done */ @@ -885,7 +885,7 @@ static void handle_link_event(struct pxa168_eth_private *pep) speed = 10; duplex = (port_status & FULL_DUPLEX) ? 1 : 0; - fc = (port_status & FLOW_CONTROL_ENABLED) ? 1 : 0; + fc = (port_status & FLOW_CONTROL_DISABLED) ? 0 : 1; netdev_info(dev, "link up, %d Mb/s, %s duplex, flow control %sabled\n", speed, duplex ? "full" : "half", fc ? "en" : "dis"); if (!netif_carrier_ok(dev)) -- 1.9.1