[PATCH 0/2] net: xlinx: mdio: recheck condition after timeout

From: Kurt Kanzenbach
Date: Tue Oct 30 2018 - 05:31:56 EST


the Xilinx mdio wait functions may return false positives under certain
circumstances: If the functions get preempted between reading the corresponding
mdio register and checking for the timeout, they could falsely indicate a

In order to avoid the issue, the condition should be rechecked in the timeout

Kurt Kanzenbach (2):
net: axienet: recheck condition after timeout in mdio_wait()
net: xilinx_emaclite: recheck condition after timeout in mdio_wait()

drivers/net/ethernet/xilinx/xilinx_axienet_mdio.c | 21 ++++++++++++++++-----
drivers/net/ethernet/xilinx/xilinx_emaclite.c | 20 +++++++++++++++-----
2 files changed, 31 insertions(+), 10 deletions(-)