From: Dinh Nguyen <dingu...@opensource.altera.com> Not having a reset control line to the ethernet controller should not be a hard failure. Instead, add support for deferred probing and just print out a debug statement.
Signed-off-by: Dinh Nguyen <dingu...@opensource.altera.com> Cc: Vince Bridgers <vbrid...@opensource.altera.com> CC: David S. Miller <da...@davemloft.net> --- v2: return EPROBE_DEFER directly as 'ret' is not used as return variable --- drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c index 3aad413..9987b34 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -89,7 +89,9 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * STMMAC_RESOURCE_NAME); if (IS_ERR(dwmac->stmmac_rst)) { dev_info(dev, "Could not get reset control!\n"); - return -EINVAL; + if (PTR_ERR(dwmac->stmmac_rst) == -EPROBE_DEFER) + return -EPROBE_DEFER; + dwmac->stmmac_rst = NULL; } dwmac->interface = of_get_phy_mode(np); -- 2.2.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/