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0f944343dd
AR8316 behind a GPIO bitbanged MDIO bus fails to drive the turnaround bit to low despite returning a valid value. Ignore it and just use the returned value anyway. git-svn-id: svn://svn.openwrt.org/openwrt/trunk@28422 3c298f89-4303-0410-b956-a3cf2f4a3e73
21 lines
531 B
Diff
21 lines
531 B
Diff
--- a/drivers/net/phy/mdio-bitbang.c
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+++ b/drivers/net/phy/mdio-bitbang.c
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@@ -165,16 +165,7 @@ static int mdiobb_read(struct mii_bus *b
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ctrl->ops->set_mdio_dir(ctrl, 0);
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- /* check the turnaround bit: the PHY should be driving it to zero */
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- if (mdiobb_get_bit(ctrl) != 0) {
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- /* PHY didn't drive TA low -- flush any bits it
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- * may be trying to send.
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- */
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- for (i = 0; i < 32; i++)
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- mdiobb_get_bit(ctrl);
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-
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- return 0xffff;
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- }
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+ mdiobb_get_bit(ctrl);
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ret = mdiobb_get_num(ctrl, 16);
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mdiobb_get_bit(ctrl);
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