| Message ID | 1276590163.13056.32.camel@lb-tlvb-yanivr.il.broadcom.com |
|---|---|
| State | Accepted, archived |
| Delegated to: | David Miller |
| Headers | show |
From: "Yaniv Rosner" <yanivr@broadcom.com> Date: Tue, 15 Jun 2010 11:22:43 +0300 > Change 2wire transfer rate of SFP+ module EEPROM from 400Khz to 100Khz since some DACs(direct attached cables) do not work at 400Khz. > > Reported-by: Krzysztof Oldzki <ole@ans.pl> > Signed-off-by: Yaniv Rosner <yanivr@broadcom.com> > Signed-off-by: Eilon Greenstein <eilong@broadcom.com> Applied, thanks. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index ff70be8..0383e30 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -4266,14 +4266,16 @@ static u8 bnx2x_ext_phy_init(struct link_params *params, struct link_vars *vars) MDIO_PMA_REG_10G_CTRL2, 0x0008); } - /* Set 2-wire transfer rate to 400Khz since 100Khz - is not operational */ + /* Set 2-wire transfer rate of SFP+ module EEPROM + * to 100Khz since some DACs(direct attached cables) do + * not work at 400Khz. + */ bnx2x_cl45_write(bp, params->port, ext_phy_type, ext_phy_addr, MDIO_PMA_DEVAD, MDIO_PMA_REG_8727_TWO_WIRE_SLAVE_ADDR, - 0xa101); + 0xa001); /* Set TX PreEmphasis if needed */ if ((params->feature_config_flags &