lkml.org 
[lkml]   [2020]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH 5.5 036/189] net: ethernet: dm9000: Handle -EPROBE_DEFER in dm9000_parse_dt()
    Date
    From: Paul Cercueil <paul@crapouillou.net>

    [ Upstream commit 9a6a0dea16177ccaecc116f560232e63bec115f1 ]

    The call to of_get_mac_address() can return -EPROBE_DEFER, for instance
    when the MAC address is read from a NVMEM driver that did not probe yet.

    Cc: H. Nikolaus Schaller <hns@goldelico.com>
    Cc: Mathieu Malaterre <malat@debian.org>
    Signed-off-by: Paul Cercueil <paul@crapouillou.net>
    Reviewed-by: Andrew Lunn <andrew@lunn.ch>
    Signed-off-by: David S. Miller <davem@davemloft.net>
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/ethernet/davicom/dm9000.c | 2 ++
    1 file changed, 2 insertions(+)

    diff --git a/drivers/net/ethernet/davicom/dm9000.c b/drivers/net/ethernet/davicom/dm9000.c
    index cce90b5925d93..70060c51854fd 100644
    --- a/drivers/net/ethernet/davicom/dm9000.c
    +++ b/drivers/net/ethernet/davicom/dm9000.c
    @@ -1405,6 +1405,8 @@ static struct dm9000_plat_data *dm9000_parse_dt(struct device *dev)
    mac_addr = of_get_mac_address(np);
    if (!IS_ERR(mac_addr))
    ether_addr_copy(pdata->dev_addr, mac_addr);
    + else if (PTR_ERR(mac_addr) == -EPROBE_DEFER)
    + return ERR_CAST(mac_addr);

    return pdata;
    }
    --
    2.20.1


    \
     
     \ /
      Last update: 2020-03-10 14:25    [W:4.187 / U:0.144 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site