shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-05 10:31:46 +09:00
Code Issues Packages Projects Releases Wiki Activity

net: fec: defer probe if regulator is not ready

Browse Source 
[ Upstream commit 3f38c68303 ]

Defer probe if regulator is not ready. E.g. some regulator is fixed
regulator controlled by i2c expander gpio, the i2c device may be probed
after the driver, then it should handle the case of defer probe error.

Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Fugang Duan
2018-01-03 10:39:30 +08:00
committed by Greg Kroah-Hartman
parent 9043779527
commit e7e73b10d6
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/ethernet/freescale/fec_main.c
View File

@@ -3458,6 +3458,10 @@ fec_probe(struct platform_device *pdev)
goto failed_regulator;
}
} else {
if (PTR_ERR(fep->reg_phy) == -EPROBE_DEFER) {
ret = -EPROBE_DEFER;
goto failed_regulator;
}
fep->reg_phy = NULL;
}