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Message-Id: <20190301105217.15764-14-antoine.tenart@bootlin.com> Date: Fri, 1 Mar 2019 11:52:15 +0100 From: Antoine Tenart <antoine.tenart@...tlin.com> To: davem@...emloft.net Cc: Antoine Tenart <antoine.tenart@...tlin.com>, netdev@...r.kernel.org, linux-kernel@...r.kernel.org, thomas.petazzoni@...tlin.com, maxime.chevallier@...tlin.com, gregory.clement@...tlin.com, miquel.raynal@...tlin.com, nadavh@...vell.com, stefanc@...vell.com, mw@...ihalf.com, linux@...linux.org.uk Subject: [PATCH net-next v2 13/15] net: mvpp2: reset the MACs when reconfiguring a port This patch makes sure both PPv2 MACs (GMAC + XLG MAC) are set in reset while a port is reconfigured. This is done so that we make sure a MAC is in a reset state when not used, as only one of the two will be set out of reset after the port is configured properly. Signed-off-by: Antoine Tenart <antoine.tenart@...tlin.com> --- drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index 958a17328725..5e98de7b0b48 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -3137,6 +3137,9 @@ static void mvpp22_mode_reconfigure(struct mvpp2_port *port) { u32 ctrl3; + /* Set the GMAC & XLG MAC in reset */ + mvpp2_mac_reset_assert(port); + /* comphy reconfiguration */ mvpp22_comphy_init(port); -- 2.20.1
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