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Merge branch 'fix-some-bugs-in-stmmac'
Biao Huang says:
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fix some bugs in stmmac
changes in v4:
since MTL_OPERATION_MODE write back issue has be fixed in the latest driver,
remove original patch#3
changes in v3:
add a Fixes:tag for each patch
changes in v2:
1. update rx_tail_addr as Jose's comment
2. changes clk_csr condition as Alex's proposition
3. remove init lines in dwmac-mediatek, get clk_csr from dts instead.
v1:
This series fix some bugs in stmmac driver
3 patches are for common stmmac or dwmac4:
1. update rx tail pointer to fix rx dma hang issue.
2. change condition for mdc clock to fix csr_clk can't be zero issue.
3. write the modified value back to MTL_OPERATION_MODE.
1 patch is for dwmac-mediatek:
modify csr_clk value to fix mdio read/write fail issue for dwmac-mediatek
====================
Signed-off-by: David S. Miller <davem@davemloft.net>