lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Tue, 14 May 2019 17:45:28 +0200 From: Jose Abreu <Jose.Abreu@...opsys.com> To: netdev@...r.kernel.org, linux-kernel@...r.kernel.org Cc: Corentin Labbe <clabbe@...libre.com>, Jose Abreu <Jose.Abreu@...opsys.com>, Joao Pinto <Joao.Pinto@...opsys.com>, "David S . Miller" <davem@...emloft.net>, Giuseppe Cavallaro <peppe.cavallaro@...com>, Alexandre Torgue <alexandre.torgue@...com> Subject: [RFC net-next v2 06/14] net: ethernet: stmmac: dwmac-sun8i: Enable control of loopback From: Corentin Labbe <clabbe@...libre.com> This patch enable use of set_mac_loopback in dwmac-sun8i Signed-off-by: Corentin Labbe <clabbe@...libre.com> Signed-off-by: Jose Abreu <joabreu@...opsys.com> Cc: Joao Pinto <jpinto@...opsys.com> Cc: David S. Miller <davem@...emloft.net> Cc: Giuseppe Cavallaro <peppe.cavallaro@...com> Cc: Alexandre Torgue <alexandre.torgue@...com> --- drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c index 195669f550f0..f7ff5858e522 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c @@ -986,6 +986,18 @@ static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv) regulator_disable(gmac->regulator); } +static void sun8i_dwmac_set_mac_loopback(void __iomem *ioaddr, bool enable) +{ + u32 value = readl(ioaddr + EMAC_BASIC_CTL0); + + if (enable) + value |= EMAC_LOOPBACK; + else + value &= ~EMAC_LOOPBACK; + + writel(value, ioaddr + EMAC_BASIC_CTL0); +} + static const struct stmmac_ops sun8i_dwmac_ops = { .core_init = sun8i_dwmac_core_init, .set_mac = sun8i_dwmac_set_mac, @@ -995,6 +1007,7 @@ static const struct stmmac_ops sun8i_dwmac_ops = { .flow_ctrl = sun8i_dwmac_flow_ctrl, .set_umac_addr = sun8i_dwmac_set_umac_addr, .get_umac_addr = sun8i_dwmac_get_umac_addr, + .set_mac_loopback = sun8i_dwmac_set_mac_loopback, }; static struct mac_device_info *sun8i_dwmac_setup(void *ppriv) -- 2.7.4
Powered by blists - more mailing lists