[netdrvr] sfc: Add phy_flash_cfg module parameter and implementation
The 10Xpress PHY supports flash upgrades through MDIO, but needs to be
put in upgrade mode at power-up. This adds a module parameter and other
logic to support that.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
diff --git a/drivers/net/sfc/falcon_xmac.c b/drivers/net/sfc/falcon_xmac.c
index aa7521b..d99efe2 100644
--- a/drivers/net/sfc/falcon_xmac.c
+++ b/drivers/net/sfc/falcon_xmac.c
@@ -69,6 +69,10 @@
udelay(10);
}
+ /* This often fails when DSP is disabled, ignore it */
+ if (sfe4001_phy_flash_cfg != 0)
+ return 0;
+
EFX_ERR(efx, "timed out waiting for XMAC core reset\n");
return -ETIMEDOUT;
}