Messages in this thread Patch in this message | | | From | Peng Li <> | Subject | [PATCH NET 3/3] net: hns: add configuration constraints for 1000M half | Date | Fri, 24 Aug 2018 11:42:23 +0800 |
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Hisilicon hip05 and hip06 board network card do not support 1000M half configuration. Driver can not config gmac as 1000M half.
Signed-off-by: Peng Li <lipeng321@huawei.com> --- drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c index 09e4061..c1d062e 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_dsaf_gmac.c @@ -272,6 +272,11 @@ static int hns_gmac_adjust_link(void *mac_drv, enum mac_speed speed, { struct mac_driver *drv = (struct mac_driver *)mac_drv; + if (full_duplex == DUPLEX_HALF && speed == MAC_SPEED_1000) { + dev_err(drv->dev, "HW do not support 1000M half\n"); + return -EINVAL; + } + dsaf_set_dev_bit(drv, GMAC_DUPLEX_TYPE_REG, GMAC_DUPLEX_TYPE_B, !!full_duplex); -- 2.9.3
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