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Commit cbe21d92 authored by Dinh Nguyen's avatar Dinh Nguyen Committed by David S. Miller
Browse files

net: stmmac: make reset control an optional requirement 



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: default avatarDinh Nguyen <dinguyen@opensource.altera.com>
Cc: Vince Bridgers <vbridger@opensource.altera.com>
CC: David S. Miller <davem@davemloft.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9b974499

drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c

+3 −1
Original line number Diff line number Diff line
@@ -91,7 +91,9 @@ 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);