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ath79: ag71xx: defer probe if of_phy_connect failed

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gmac0 may need a phy on builtin switch, which can be unavailable
if gmac0 is probed before builtin switch.
Return -EPROBE_DEFER in this case so that gmac0 can be probed
later.

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
This commit is contained in:
Chuanhong Guo 2019-05-10 22:17:28 +08:00 committed by Petr Štetiar
parent f84715d463
commit 32817580e7
1 changed files with 2 additions and 2 deletions
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4
target/linux/ath79/files/drivers/net/ethernet/atheros/ag71xx/ag71xx_phy.c
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@ -75,8 +75,8 @@ int ag71xx_phy_connect(struct ag71xx *ag)
if (!ag->phy_dev) { if (!ag->phy_dev) {
dev_err(&ag->pdev->dev, dev_err(&ag->pdev->dev,
"Could not connect to PHY device\n"); "Could not connect to PHY device. Deferring probe.\n");
return -ENODEV; return -EPROBE_DEFER;
} }
dev_info(&ag->pdev->dev, "connected to PHY at %s [uid=%08x, driver=%s]\n", dev_info(&ag->pdev->dev, "connected to PHY at %s [uid=%08x, driver=%s]\n",